BEGIN:VCALENDAR VERSION:2.0 PRODID:-//SNS Events//1.0 CALSCALE:GREGORIAN METHOD:PUBLISH X-WR-CALNAME:Astrophysics: Institute for Advanced Study X-WR-CALDESC:Astrophysics: Institute for Advanced Study BEGIN:VEVENT UID:1294678800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110110T170000Z DTEND:20110110T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:129468510013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110110T184500Z DTEND:20110110T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "The Nature of Damped Lyman Alpha Systems" (Renyue Cen - Discussion Leader, Princeton University) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. LOCATION:Princeton University, Peyton Hall, Dome Room - NOTE DIFFERENT ROOM COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1295283600961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110117T170000Z DTEND:20110117T180000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "Testing Dark Energy Using the Growth of Large Scale Structure in the Universe" (Elise Jennings, University of Durham) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1295283600787768801885f48ce090934598058157@sns.ias.edu DTSTART:20110117T170000Z DTEND:20110117T180000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held bi-weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:129528990013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110117T184500Z DTEND:20110117T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Planck Early Results" (Doug Richstone - Discussion Leader, Institute for Advanced Study / University of Michigan) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. TOPIC: Planck Early Results Paper 8: The all-sky early S-Z cluster sample. Here is the link:http://arxiv.org/abs/1101.2024 . The whole set of papers is too much to read, but for reference it is here:http://www.sciops.esa.int/index.php?project=planck&page=Planck_Published_Papers . As I was looking at Paper 8 I found myself also looking at paper 1 on the mission and Paper 10 on the Statistical Analysis of scaling relations. LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://arxiv.org/abs/1101.2024 END:VEVENT BEGIN:VEVENT UID:1295888400961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110124T170000Z DTEND:20110124T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "Discussion of Early Planck Papers" (Bill Jones and Cynthia Chiang, Discussion Leaders, Princeton University) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:12958947006f815bd9dc0a65fcb65df74f0dea814e@sns.ias.edu DTSTART:20110124T184500Z DTEND:20110124T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group] - LOCATION CHANGE, "The Gas Content of Void Galaxies" (Kathryn Kreckel, Columbia University) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. LOCATION:Princeton University, Peyton Hall, Dome Room (NOTE LOCATION) COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:12962304004c37602dc38e720a25e30741fd56d2e7@sns.ias.edu DTSTART:20110128T160000Z DTEND:20110128T170000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar - NOTE NEW DATE AND TIME, "The Co-Evolution of Galaxies and Black Holes" (Kevin Schawinski, Yale University) DESCRIPTION:ABSTRACT: How, why and when are the scaling relationships between black holes set? Do accreting black holes really regulate the evolution of their host galaxies? What physical mechanisms underly feedback? I will discuss some recent results made possible with data from the Sloan Digital Sky Survey, the Hubble Space Telescope and the citizen scientists taking part in the Galaxy Zoo. I will show how host galaxy morphology is a key parameter in co-evolution scenarios and that the nearest quasar to us underwent a dramatic shutdown in the very recent past. Finally, I will present some very recent observational work on black hole growth in the very early Universe (z>6). LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1296493200961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110131T170000Z DTEND:20110131T180000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1296493200787768801885f48ce090934598058157@sns.ias.edu DTSTART:20110131T170000Z DTEND:20110131T180000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held bi-weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:129649950013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110131T184500Z DTEND:20110131T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Evolution of the UV Background at High Redshift" (Andrei Mesinger - Discussion Leader, Princeton University) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. Andrei Mesinger is leading the discussion on the evolution of the UV background at high redshift. Here are the papers: http://adsabs.harvard.edu/abs/2010arXiv1011.5850C and http://adsabs.harvard.edu/abs/2011arXiv1101.1964M . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://adsabs.harvard.edu/abs/2010arXiv1011.5850C END:VEVENT BEGIN:VEVENT UID:129657600081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110201T160000Z DTEND:20110201T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Cosmology and Astrophysics in the Planck Era" (Bill Jones, Princeton University) DESCRIPTION:ABSTRACT: We will discuss the first astrophysical results from the Planck spacecraft, and prospects for cosmology with Planck and sub-orbital CMB polarimeters. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1296581400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110201T173000Z DTEND:20110201T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1296750600684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110203T163000Z DTEND:20110203T173000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Primordial Non-Gaussianity and Large-Scale Structure" (Roman Scoccimarro, New York University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:12970998001e8ebdd07a1509c262020f8110e0c75a@sns.ias.edu DTSTART:20110207T173000Z DTEND:20110207T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion - NOTE NEW START TIME!, "A Brachistochrone Approach to Reconstruct the Inflaton Potential" (Jiajun Xu, University of Wisconsin-Madison) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. ABSTRACT: Abstract: We propose a new way to implement an inflationary prior to a cosmological dataset that incorporates the inflationary observables at arbitrary order. This approach employs an exponential form for the Hubble parameter without taking the slow-roll approximation. At lowest non-trivial order, it has the unique property that it is the solution to the brachistochrone problem for inflation. We show how this approach can lead to reconstruction of the inflaton potential from observational data. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1297104300a4f13b51a9e1ae1529301e39bc82ed75@sns.ias.edu DTSTART:20110207T184500Z DTEND:20110207T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group] - SECOND PAPER ADDED, "Reionization and Feedback" (Stephanie Tonnesen, Discussion Leader, Princeton University) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. The first paper to be discussed is "The ACS LCID project. V. The Star Formation History of the Dwarf Galaxy LGS-3: Clues for Cosmic Reionization and Feedback" and the link is : http://xxx.lanl.gov/abs/1101.5762 . The second paper is "Formation of isolated dwarf galaxies with feedback" and the link is: http://adsabs.harvard.edu/abs/2010MNRAS.402.1599S . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://xxx.lanl.gov/abs/1101.5762 END:VEVENT BEGIN:VEVENT UID:129718080081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110208T160000Z DTEND:20110208T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Astrophysics of Supermassive Black Hole Formation" (Tom Abel, Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, SLAC National Accelerator Lab) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1297186200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110208T173000Z DTEND:20110208T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1297355400684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110210T163000Z DTEND:20110210T173000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Planetary Systems from Kepler" (Daniel Fabrycky, University of California, Santa Cruz) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1297703700ddec39250446bf1e54f4da32d6a4cfa8@sns.ias.edu DTSTART:20110214T171500Z DTEND:20110214T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion - NOTE START NEW START TIME!, "Gravitational Lensing by Compact Objects in the Galactic Center: The Evidence for a Boson Star" (Amitai Bin-Nun, University of Pennsylvania) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT:This start is now 12:15 pm. URL: END:VEVENT BEGIN:VEVENT UID:12977109003261313e33f6ef78b6fc75a7e891ab05@sns.ias.edu DTSTART:20110214T191500Z DTEND:20110214T201500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group] - TIME CHANGED, "Black Hole-stellar Mass Relation Evolution with Redshift" (Claire Lackner, Discussion Leader, Princeton University) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. The papers to be discussed are: 1) "The Relation between Black Hole Mass and Host Spheroid Stellar Mass out to z~2." by Vardha Nicola Bennert at link: http://arxiv.org/abzs/1102.1975 . 2) "The Building Up of the Black Hole Mass - Stellar Mass Relation." by Alessandra Lamastra at link: http://arxiv.org/abs/1001.5407 . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT:TIME CHANGED TO 2:15 PM. URL:http://arxiv.org/abzs/1102.1975 END:VEVENT BEGIN:VEVENT UID:129778560081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110215T160000Z DTEND:20110215T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "The Morphologies and Outflow Kinematics of Star Formation Quenching" (Alison Coil, Center for Astrophysics and Space Sciences (CASS), University of California, San Diego) DESCRIPTION:ABSTRACT: Since z=1 the number of quiescent, non-star forming galaxies in the Universe has roughly doubled. In order to constrain the star formation quenching mechanism, I will present results on the clustering properties, morphologies, and feedback associated with outflowing winds in galaxies at z~0.7 that are having their star formation quenched. I will also briefly present a new survey called PRIMUS, the largest faint galaxy redshift survey taken to date. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1297791000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110215T173000Z DTEND:20110215T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1297960200684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110217T163000Z DTEND:20110217T173000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "First Results from the Palomar Transient Factory" (Eran Ofek, California Institute of Technology) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:12983076001d4357d162a3eed51addc84649274fd7@sns.ias.edu DTSTART:20110221T170000Z DTEND:20110221T180000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion - CANCELED DESCRIPTION:Lunch *CANCELED* so people may attend Planck workshop at Princeton University. Many *key* collaborators on recent Planck science papers will be present, so you are all highly encouraged to attend. LOCATION: COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:129831390013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110221T184500Z DTEND:20110221T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Can SAMs Tell us Anything? Or do they just tell us Everything?" (Stephanie Tonnesen, Discussion Leader, Princeton University) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. The first paper to be discussed is "Times, environments and channels of bulge formation in a LambdaCDM cosmology" and the link is: http://xxx.lanl.gov/abs/1102.3186 . The second paper is "The other side of Bulge Formation in a Lambda-CDM cosmology: Bulgeless Galaxies in the Local Universe" and the link is: http://xxx.lanl.gov/abs/1102.3188 . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://xxx.lanl.gov/abs/1102.3186 END:VEVENT BEGIN:VEVENT UID:1298390400bd15fff79012a294324ba66744af07dc@sns.ias.edu DTSTART:20110222T160000Z DTEND:20110222T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar - NOTE LOCATION, "Some Field Theory Problems in Cosmology" (Steven Weinberg, University of Texas at Austin) DESCRIPTION: LOCATION:Bloomberg Hall Lecture Hall - NOTE NEW LOCATION COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1298395800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110222T173000Z DTEND:20110222T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION:Special joint lunch for both astrophysics and physics members and faculty as well as attendees to the IAS Astrophysics Seminar or the IAS/PU HET Special Seminar with speaker Steven Weinberg. Please purchase your lunch in the IAS Dining Hall or bring your lunch. Coffee and tea provided in the Dilworth Room. LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:129840120024be81ba0b4f2f50b25b8fa53b3612ea@sns.ias.edu DTSTART:20110222T190000Z DTEND:20110222T200000Z SUMMARY:Institute for Advanced Study High Energy Theory Special Seminar, "Pions in Large N Quantum Chromodynamics" (Steven Weinberg, University of Texas at Austin) DESCRIPTION: LOCATION:Bloomberg Hall Lecture Hall COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1298565000684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110224T163000Z DTEND:20110224T173000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "The Pure Disk Galaxy Puzzle" (James Peebles, Princeton University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1298912400787768801885f48ce090934598058157@sns.ias.edu DTSTART:20110228T170000Z DTEND:20110228T180000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held bi-weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:12989142004967dfd215151eaf962aab1c11cae18b@sns.ias.edu DTSTART:20110228T173000Z DTEND:20110228T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion - NOTE START TIME, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:129891870013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110228T184500Z DTEND:20110228T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Correlations Between BHs and Galaxies" (Greg Novak - Discussion Leader, Princeton University) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. Here are the two papers for Galread on Monday: http://arxiv.org/abs/0704.1860 and http://arxiv.org/abs/1006.0482 . I expect that this will be someone different from the usual galreaddiscussion, where we spend a lot of time struggling to understand exactly what the authors did and how that does/does not affect their conclusions. Both of these papers are rather trivial in both their basic point and themethods they use to establish the point. The reason I'm proposing them is to hear peoples' opinions about whether these papers represent an interesting/instructive/worthwhile way of looking at the correlationsbetween BHs and galaxies. The only paper that deals with the point made by either of the above in a serious way is this one: http://arxiv.org/abs/1005.2100 . So it may be worth taking a look at that one, too. LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://arxiv.org/abs/0704.1860 END:VEVENT BEGIN:VEVENT UID:129899520081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110301T160000Z DTEND:20110301T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Sizes and Shapes of Drops Created in High Speed Impacts" (Peter Goldreich, California Institute of Technology and Institute for Advanced Study) DESCRIPTION:ABSTRACT: High speed impacts of large bodies on Earth launch ejecta on trajectories that transport them thousands of kilometers from the impact site. These events are recorded in discrete layers of sub-millimeter size spherulesin sea floor sediments. Larger, rarer, and interestingly shaped objects are found on land. I will describe the physical processes that occur in energetic impacts. Emphasis will be given to the mechanisms that determine the sizes and shapes of the ejecta and the cooling of the fireball. An analogy will be drawn with processes that occur in the expanding universe. A possible relation to the origin of chondrules will be explored. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1299000600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110301T173000Z DTEND:20110301T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1299169800e62ae0b4145851377a3c67b47f5c1a63@sns.ias.edu DTSTART:20110303T163000Z DTEND:20110303T173000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar - TITLE UPDATED, "The Golden Age of Exoplanet Spin-Orbit Measurements" (John Johnson, California Institute of Technology) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:12995190004967dfd215151eaf962aab1c11cae18b@sns.ias.edu DTSTART:20110307T173000Z DTEND:20110307T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion - NOTE START TIME, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1299523500d743eb3d056709f71d92cffa8a1c352c@sns.ias.edu DTSTART:20110307T184500Z DTEND:20110307T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group] - CANCELED DESCRIPTION: LOCATION: COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:129960000081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110308T160000Z DTEND:20110308T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Magnetic Star - Disk Interactions and Spin-Orbit Misalignment in Exoplanetary Systems" (Dong Lai, Cornell University) DESCRIPTION:ABSTRACT: Recent observations have shown that in many exoplanetary systems, the spin axis of the parent star is misaligned with the angular momentum axis of the planet's orbit. This is unexpected as planets are formed in protostellar disks which are thought to be perpendicular to the stellar rotation axis. Surprisingly, the interaction between a magnetic protostar and its circumstellar disk gives rise to a secular instability, which may result in spin-orbit misalignment following planet formation, even before any additional few-body gravitational interaction takes place. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1299605400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110308T173000Z DTEND:20110308T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1299774600684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110310T163000Z DTEND:20110310T173000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Cosmic Bumps Make Two Humps" (Matthew Kleban, New York University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:12997881005aa7f6c1ef3128d4d5a79ff804cb703a@sns.ias.edu DTSTART:20110310T201500Z DTEND:20110310T211500Z SUMMARY:Institute for Advanced Study Informal Astrophysics Talk, "Retrograde Hot Jupiters from Secular Planet-Planet Interactions" (Will Farr, Northwestern University) DESCRIPTION:Will Farr (Northwestern) is going to give an informal talk on his recent work on Hot Jupiters, 'Retrograde Hot Jupiters from Secular Planet-Planet Interactions' (http://arxiv.org/abs/1011.2501) . LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://arxiv.org/abs/1011.2501 END:VEVENT BEGIN:VEVENT UID:1300118400787768801885f48ce090934598058157@sns.ias.edu DTSTART:20110314T160000Z DTEND:20110314T170000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held bi-weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1300120200961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110314T163000Z DTEND:20110314T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130012470013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110314T174500Z DTEND:20110314T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Stellar Feedback" (Marilena LoVerde - Discussion Leader, Institute for Advanced Study) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. These are the papers to be discussed: "Stellar Feedback in Dwarf Galaxy Formation," by Sergey Mashchenko, James Wadsley, and H. M. P. Couchman, http://lanl.arxiv.org/abs/0711.4803 . And "Cosmological puzzle resolved by stellar feedback in high redshift galaxies," by Sergey Mashchenko, H. M. P. Couchman, and James Wadsley, http://lanl.arxiv.org/abs/astro-ph/0605672 . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://lanl.arxiv.org/abs/0711.4803 END:VEVENT BEGIN:VEVENT UID:130020120081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110315T150000Z DTEND:20110315T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "The Nature of Damped Lyman Alpha Systems" (Renyue Cen, Princeton University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1300206600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110315T163000Z DTEND:20110315T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1300375800684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110317T153000Z DTEND:20110317T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Reconstructing Baryon Oscillations : Theoretical and Observational Perspectives" (Nikhil Padmanabhan, Yale University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1300725000961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110321T163000Z DTEND:20110321T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "Pedagogical Discussion of Topological Defects in Cosmology" (David Spergel, Princeton University) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130072950013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110321T174500Z DTEND:20110321T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Black Holes and Their DM Haloes" (Doug Richstone - Discussion Leader, Institute for Advanced Study) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. We will discuss two papers which (appear to) disagree on the halo -- black hole relationship. They are not long: http://arxiv.org/abs/1103.1644 and http://arxiv.org/abs/1101.4650 . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130080600081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110322T150000Z DTEND:20110322T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "20th Century Global Warming - Anthropogenic or Solar?" (Nir Shaviv, Hebrew University) DESCRIPTION:ABSTRACT: The 20th Century has seen a notable temperature rise, generally attributed to the greenhouse effect of anthropogenic gases, and a future "business as usual" policy is generally believed to be catastrophic. I will show, however, that the story is not that simple. I will address the following questions,all of which have a far fromtrivial and often surprising answer: How large is the greenhouse effect? Could some of the temperature rise be natural and not anthropogenic? If so, what is this natural driver? How sensitive really is Earth's climate? What should we expect in the future? How effective will the implementation of a cap and trade agreement be? LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1300811400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110322T163000Z DTEND:20110322T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1300980600684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110324T153000Z DTEND:20110324T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Super-Eddington Accretion Disks" (Nir Shaviv, Hebrew University) DESCRIPTION:ABSTRACT: I will review our present understanding of super-Eddington atmospheres, as borne from theory and observations. In particular, I will show how atmospheres can sustain super-Eddington fluxes, while accelerating only ``moderate'' mass loss. This will then be applied to the modeling of super-Eddington accretion disks. Such models can have net accretion which is super-critical and a net luminosity which is super-Eddington. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1301329800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110328T163000Z DTEND:20110328T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130141080081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110329T150000Z DTEND:20110329T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Gravitational Waves from Cosmic Phase Transitions" (Lawrence Krauss, Arizona State) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1301416200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110329T163000Z DTEND:20110329T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1301585400684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110331T153000Z DTEND:20110331T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Gravitational Wave Astronomy in the Advanced Detector Era" (Sean T. McWilliams, Columbia University and Princeton University) DESCRIPTION:ABSTRACT: With the imminent start of Advanced LIGO/VIRGO observations, and the less imminent but much hoped-for advent of LISA, gravitational wave science will transition from a specialty of theoretical astrophysics and experimental interferometry to a specialty of observational astronomy. To take full advantage of second-generation instruments capable of precision gravitational wave measurements, we require a detailed understanding of the anticipated gravitational waves, as well as any electromagnetic signatures that may be coincident. To this end, I will discuss recent work estimating the achievable accuracy for modeling and ultimately measuring compact binary parameters from gravitational wave observations, as well as potential electromagnetic signatures that may accompany these events. I will also discuss the potential for a novel constraint of dark energy through coincident gravitational wave and electromagnetic measurements, and the outstanding issues that must be solved to maximize the achievable science from these observations. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1301934600ad25362cef2a68434cb467973dc58f1a@sns.ias.edu DTSTART:20110404T163000Z DTEND:20110404T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion - SPEAKER/TOPIC UPDATED, "Acceleration from New Types of Scalar Fields as an Alternative to the Cosmological Constant and Quintessence" (Ignacy Sawicki, Heidelberg University) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130193910013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110404T174500Z DTEND:20110404T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Dark Satellite Dwarf Galaxies" (John Wise - Discussion Leader, Princeton University) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. Here are the papers: "Too big to fail? The puzzling darkness of massive Milky Way subhalos," (Boylan-Kolchin et al.): http://arxiv.org/abs/1103.0007 and "Mechanisms of Baryon Loss for Dark Satellites in Cosmological SPH Simulations," (Nickerson et al.): http://arxiv.org/abs/1103.3285 LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://arxiv.org/abs/1103.0007 END:VEVENT BEGIN:VEVENT UID:130201560081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110405T150000Z DTEND:20110405T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Galaxy Gas Flows" (Mary Putman, Columbia University) DESCRIPTION:ABSTRACT: Many galaxies exhibit the need for a continual source of star formation fuel. Halo gas is a common feature of these galaxies, though utilizing this gas as fuel may require the gas to go through multiple phases. I will discuss new observations and simulations that investigate galaxy gas flows to determine how baryons get into galaxies and metals are mixed throughout their gaseous disks. I will also discuss a population of newly discovered cold clouds that may represent a combination of cooling disk gas, new dwarf galaxies, and stellar feedback. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1302021000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110405T163000Z DTEND:20110405T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1302190200684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110407T153000Z DTEND:20110407T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Testing Lorentz Invariance with Cosmic Gamma-Rays, Ultrahigh Energy Cosmic Rays and Neutrinos" (Floyd Stecker, Goddard Space Flight Center/National Aeronautics and Space Administration) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1302539400961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110411T163000Z DTEND:20110411T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130254390013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110411T174500Z DTEND:20110411T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Galaxies and Their Globular Clusters" (Claire Lackner - Discussion Leader, Princeton University) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. Here are links to the papers: http://adsabs.harvard.edu/abs/2011MNRAS.tmp..306F and http://adsabs.harvard.edu/abs/2010MNRAS.406.1967G . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT:See description for link to second paper. URL:http://adsabs.harvard.edu/abs/2011MNRAS.tmp..306F END:VEVENT BEGIN:VEVENT UID:130262040081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110412T150000Z DTEND:20110412T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Collective Origin of Spiral Structure in Disk Galaxies" (Lars Hernquist, Harvard University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1302625800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110412T163000Z DTEND:20110412T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1302795000059b1f533d5f86125e6e8ca9a4c120d6@sns.ias.edu DTSTART:20110414T153000Z DTEND:20110414T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar - TITLE ADDED, "Dark Energy Measurements from Supernovae: One Observationalist's Mid-Semester Report Card" (Saul Perlmutter, Lawrence Berkeley Laboratory, University of California, Berkeley and Institute for Advanced Study) DESCRIPTION:ABSTRACT: A decade since the realization that our universe's expansion is accelerating, the ball remains in the observationalists' court -- as the theorists look for more constraints on the parameter space.I will discuss some of the progress that has been made, and the prospects for upcoming advances, primarily focusing on the supernova measurements.The supernova measurements have improved dramatically, and I will show new evidence that that they have not yet reached their ultimate capability.Combined with the advances in the other techniques, we have the hope of distinguishing alternative explanations of the accelerating universe.The next big step calls for new facilities on the ground and in space. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1302808500c2ea3520239247aaface3f77b0037fdc@sns.ias.edu DTSTART:20110414T191500Z DTEND:20110414T201500Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar and Discussion - ADDED, "Planetary Migration" (Sijme-Jan Paardekooper, Department of Applied Mathematics and Theoretical Physics (DAMTP) of the University of Cambridge) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:13031442001d4357d162a3eed51addc84649274fd7@sns.ias.edu DTSTART:20110418T163000Z DTEND:20110418T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion - CANCELED DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130322520081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110419T150000Z DTEND:20110419T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Diverse Energy Sources for Supernovae" (Lars Bildsten, Kavli Institute for Theoretical Physics, University of California, Santa Barbara) DESCRIPTION:ABSTRACT: The theoretical community is beginning to appreciate (and predict) the potential diversity of explosive outcomes from stellar evolution while the supernovae surveys are finding new kinds of supernovae. I willspeak about two such new supernovae. The first are ultraluminous core collapse supernovae with radiated energies approaching 1051 ergs. I will present our recent work that explains these events with late-time energy deposition from rapidly rotating, highly magnetized neutronstars: magnetars. I will close with our theoretical work on helium shell detonations on accreting white dwarfs that predict a new class of supernovae; called ".Ia's". The first such candidate may well have been found by the Palomar Transient Factory. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1303230600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110419T163000Z DTEND:20110419T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130332690013735387a4aad4c194c4d9654d3ec245@sns.ias.edu DTSTART:20110420T191500Z DTEND:20110420T201500Z SUMMARY:Institute for Advanced Study Blackboard Seminar, "Giant Planet Formation and Gravitational Instability" (Roman Rafikov, Princeton University) DESCRIPTION:Roman will give the second part of his blackboard seminar on giant planet formation. Boaz Katz is the organizer. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:13033998002221f62905133f8b1d345173c75e61ec@sns.ias.edu DTSTART:20110421T153000Z DTEND:20110421T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar - UPDATED, "Observations of Quasar Feedback" (Nadia Zakamska, Johns Hopkins University) DESCRIPTION:Black hole feedback -- the strong interaction between the energy output of supermassive black holes and their surrounding environments -- is routinely invoked to explain the absence of overly luminous galaxies, theobserved high temperatures of intracluster medium and the black hole / bulge correlations. I will review the theoretical basis of this phenomenon, existing observational evidence for feedback in various typesof active galaxies and present recent observations of our group illustrating black hole feedback in action. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1303749000961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110425T163000Z DTEND:20110425T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130375350046c7ec5a2389fee75907707da1f496cc@sns.ias.edu DTSTART:20110425T174500Z DTEND:20110425T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group] - TITLE UPDATED, "Forming Realistic Late-Type Spirals in a LCDM Universe: The Eris Simulation" (Reina Reyes, Princeton University) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. Here's the topic and paper: "Forming Spiral Galaxies in Simulations" at http://arxiv.org/abs/1103.6030 . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://arxiv.org/abs/1103.6030 END:VEVENT BEGIN:VEVENT UID:130383000081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110426T150000Z DTEND:20110426T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Defending Planet Earth Against Cosmic Intruders" (Irwin Shapiro, Harvard University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1303835400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110426T163000Z DTEND:20110426T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1304004600684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110428T153000Z DTEND:20110428T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Did Star-Forming Galaxies Reionize the Universe?" (Brant Robertson, California Institute of Technology) DESCRIPTION:ABSTRACT: Star-forming galaxies represent a valuable tracer of cosmic history. Recent observational progress with the Hubble Space Telescope has led to the discovery and study of the earliest-known galaxies at a timewhen the universe was only ~800 million years old. Intense ultraviolet radiation from these early galaxies probably induced a major event in cosmic history: the reionization of intergalactic hydrogen. In this talkI will briefly review the status of HST observations of distant star-forming galaxies, and focus on current theoretical challenges in interpreting the data and understanding the connection between these distant galaxies and the process of cosmic reionization. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1304353800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110502T163000Z DTEND:20110502T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130435830013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110502T174500Z DTEND:20110502T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "XUV Disks Show Red Galaxies Sliding Back into the Green Valley!" (Stephanie Tonnesen - Discussion Leader, Princeton University) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. Here is link to the paper to be discussed: http://lanl.arxiv.org/abs/1104.4501 . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://lanl.arxiv.org/abs/1104.4501 END:VEVENT BEGIN:VEVENT UID:1304440200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110503T163000Z DTEND:20110503T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1304609400684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110505T153000Z DTEND:20110505T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Location, Location, Location! Pair Interactions Versus Environment: Effects on Galaxy Evolution" (Stephanie Tonnesen, Princeton University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1304956800787768801885f48ce090934598058157@sns.ias.edu DTSTART:20110509T160000Z DTEND:20110509T170000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held bi-weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1304958600a9d850b971d7ffb0b1c2a58393c5f8fb@sns.ias.edu DTSTART:20110509T163000Z DTEND:20110509T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion - TOPIC UPDATED, "Discussion of Ways to Get Around Cosmic Variance" (Kendrick Smith, Daniel Grin, Princeton University and Institute for Advanced Study, respectively) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. TOPIC: This week we will have a discussion of a variety of ways recently proposed to get around the age-old bugaboo of cosmic variance. Here are some relevant manuscripts:1) arXiv:1104.3862 [pdf, ps, other], "Cosmology without cosmic variance," Gary M. Bernstein, Yan-Chuan Cai, comments: 9 pages, 3 figures, subjects: cosmology and extragalactic astrophysics (astro-ph.CO); (2) arXiv:1104.2321 [pdf, ps, other], "Optimal Constraints on Local Primordial Non-Gaussianity from the Two-Point Statistics of Large-Scale Structure," Nico Hamaus, Uros Seljak, Vincent Desjacques; (3) arXiv:0807.1770 [pdf, ps, other], "Measuring primordial non-gaussianity without cosmic variance, " Uros Seljak, comments: 7 pages,Journal-ref: Phys.Rev.Lett.102:021302,2009, subjects: astrophysics (astro-ph); and (4) arXiv:0810.0323 [pdf, ps, other], "How to measure redshift-space distortions without sample variance," Patrick McDonald, Uros Seljak, comments: 22 pages, 13 figures, subjects: astrophysics (astro-ph). LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://arxiv.org/abs/1104.3862 END:VEVENT BEGIN:VEVENT UID:130496310013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110509T174500Z DTEND:20110509T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Redshift Evolution of AGN Bias" (Richard Cool - Discussion Leader, Princeton University) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. I'd like to discuss a recent paper from astro-ph on AGN clustering, "The XMM-Newton Wide field survey in the COSMOS field: redshift evolution of AGN bias and subdominant role of mergers in triggering moderate luminosity AGN at redshift up to 2.2," V. Allevato et al, at: http://arxiv.org/abs/1105.0520 . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://arxiv.org/abs/1105.0520 END:VEVENT BEGIN:VEVENT UID:130503960081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110510T150000Z DTEND:20110510T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Shear-driven Turbulence on Earth and in Space" (Jeremy Goodman, Princeton University) DESCRIPTION:ABSTRACT: Motivated by astronomical accretion disks in which magnetorotational instability (MRI) may be locally or episodically suppressed, such as protostellar disks, recent laboratory experiments have studied hydrodynamic turbulence in rotating shear flows at Reynolds numbers (Re) above one million. Positive radial angular-momentum gradients are found to inhibit turbulence, but to a degree that is disputed among experimenters, and it is not agreed whether hydrodynamic turbulence is possible for keplerian flow profiles. Numerical simulations, which better control boundary conditions but have been limited to lower Re, find strong inhibition. Complicating matters is the discovery that turbulence is transient, both numerically and experimentally, absent linear instabilities or forcing. Turbulent half-lives increase with Re, but there is no sharp threshold separating persistently laminar from persistently turbulent states. Transience is also seen in some zero-net-flux MRI simulations. One avenue for progress may have been opened by the discovery of self-sustainingnonlinear structures near turbulent "transition" in plane-Couette, pipe, and perhaps shearing-box flow. These matterswill be reviewed, and preliminary results from a new suite of higher-Re shearing-box simulations will be presented. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1305045000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110510T163000Z DTEND:20110510T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1305214200684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110512T153000Z DTEND:20110512T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Exoplanetary Atmospheres" (Kristen Menou, Columbia University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1305563400961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110516T163000Z DTEND:20110516T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130564440081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110517T150000Z DTEND:20110517T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Direct Imaging of Terrestrial Exoplanets: Approaches and Progress in High-Contrast Imaging from Space" (Jeremy Kasdin, Princeton University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1305649800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110517T163000Z DTEND:20110517T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1305819000684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110519T153000Z DTEND:20110519T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "The Deuterium-Burning Mass Limit, and Problems with the TiO Hypothesis" (Dave Spiegel, Princeton University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1306166400787768801885f48ce090934598058157@sns.ias.edu DTSTART:20110523T160000Z DTEND:20110523T170000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held bi-weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1306168200961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110523T163000Z DTEND:20110523T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130617270013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110523T174500Z DTEND:20110523T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Galaxy Evolution and Environment" (Renye Cen - Discussion Leader, Princeton University) DESCRIPTION:Richard Cool and Claire Lackner are the organizers. Renyue will talk about his recent paper on Galaxy Evolution and Environment: http://xxx.lanl.gov/abs/1104.5046 . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://xxx.lanl.gov/abs/1104.5046 END:VEVENT BEGIN:VEVENT UID:130624920089b3dbe817fb759dd4cfa3f2ae6712a7@sns.ias.edu DTSTART:20110524T150000Z DTEND:20110524T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar - CANCELED DESCRIPTION: LOCATION: COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1306423800684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110526T153000Z DTEND:20110526T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Cosmology with Supernovae: Progress and Prospects" (Saurabh Jha, Rutgers, The State University of New Jersey) DESCRIPTION:ABSTRACT: Type Ia supernovae (SN Ia) are exquisite tools with which to trace the history of cosmic expansion, and they have a starring role in attempts to understand the dark energy that drives our accelerating Universe. Current supernova samples have grown to a size where systematic uncertainties are beginning to dominate statistical ones. Iwill describe the factors that limit the precision of our cosmological inferences and avenues for improvement, with a focus on understanding the reddening of SN Ia (by dust or otherwise) and constraining SN Ia progenitor models through observations of peculiar objects. I willalso discuss new applications of precise distances from SN Ia in current and upcoming surveys. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130651740035432e0ce445923eef3437aa1626a3c7@sns.ias.edu DTSTART:20110527T173000Z DTEND:20110527T183000Z SUMMARY:Institute for Advance Study/Princeton University High Energy Theory Seminar - ADDED, "Black Holes with Only One Symmetry" (Gary Horowitz, University of California, Santa Barbara) DESCRIPTION: LOCATION:Institute for Advanced Study, Bloomberg Hall Lecture Hall COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1307028600684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110602T153000Z DTEND:20110602T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Satellite Supported Estimates of Human Rate of NPP Carbon Use on Land: Challenges Ahead" (Marc Imhoff, Goddard Space Flight Center/National Aeronautics and Space Administration) DESCRIPTION:ABSTRACT: The human demand for products of photosynthesis is a powerful measure of the aggregate impact of human action on the biosphere and indicatorof societal vulnerability to climate change. We show results from several studies that use satellite and statistical data to estimate the amount of Earths net primary production (NPP) on land required to support regional and global use of food, fiber and NPP-based fuel products across a ten-year period. Earths planetary NPP supply was> estimated using AVHRR vegetation index and MODIS derived NPP products to establish a baseline extending from 1982 2005. NPP carbon demand was estimated by applying biophysical models to consumption data from the UN Food and Agriculture Organization to calculate the annual amount of NPP required for the products consumed. Results show that globally, humans consume more than 20% of Earths total net primary production on land and that both populations and per capita consumption increased between 1995 and 2005. Regionally, the NPP-carbon balance percentage varies from 6% to over 70% and locally from near 0% to over 30,000% in major urban areas. Large uncertainties exist in both supply and demand calculations but while the supply trend varies in sign demand continues to rise. Scenarios modeling the impact of per capita consumption, population growth, and technology suggest that NPP demand as percent of supply is likely to increase substantially in the next 40 years despite better harvesting and processing efficiencies. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1307377800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110606T163000Z DTEND:20110606T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:130745880089b3dbe817fb759dd4cfa3f2ae6712a7@sns.ias.edu DTSTART:20110607T150000Z DTEND:20110607T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar - CANCELED DESCRIPTION: LOCATION: COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1307633400684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110609T153000Z DTEND:20110609T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Searching for Binary Supermassive Black Holes: from Tens of kpc to kpc Scales" (Yue Shen, Harvard-Smithsonian Center for Astrophysics) DESCRIPTION:ABSTRACT: Binary SMBHs are generic outcomes of hierarchical galaxy mergers. They are of great value in understanding the role of galaxy mergers in AGN fueling and the interplay between SMBHs and their hosts, as well as predictions for future gravitational wave detection experiments. While pervasive in theoretical models, despite decades of searching, binary SMBHs with separations below a few kpc remain extremely difficult to find. In this talk I will discuss ongoing searches for binary SMBHs at various separations, with focuses on our recent work on tens of kpc to kpc-scale binary AGNs selected from SDSS. This is a first step towards quantifying the demographics of low-redshift (z<0.3) binary AGNs on >~kpc scales. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1307982600961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110613T163000Z DTEND:20110613T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1308238200684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110616T153000Z DTEND:20110616T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Dynamical and Nonthermal Processes in Galaxy Clusters" (Uri Keshet, Harvard-Smithsonian Center for Astrophysics) DESCRIPTION:ABSTRACT: Recent observations of galaxy clusters reveal new insights into the dynamical and nonthermal processes in the intracluster medium (ICM). Tangential discontinuities (known as cold fronts) are directly seen in high resolution X-ray maps of cool cluster cores.They reveal bulk shear flows which magnetize the plasma, give rise to radio minihalos, and may play a role in resolving the cooling problem. The ICM shows a rich phenomenology of non-thermal radio emission, arguably arising from hadronic cascades involving cosmic-ray protons. While such a secondary signal is too weak to be observed by Fermi, the primary gamma-ray signal from strong shocks should be identifiable. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1308587400961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110620T163000Z DTEND:20110620T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1309192200961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110627T163000Z DTEND:20110627T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:13094460006e070bd5fd6f3825e130e65b6e48c80b@sns.ias.edu DTSTART:20110630T150000Z DTEND:20110630T160000Z SUMMARY:Institute for Advanced Study Special Astrophysics Talk (Abstract Added), "Several New Observational Signatures of Relativistic Outflows from Dying Stellar Systems" (Ehud Nakar, Tel Aviv University) DESCRIPTION:I will discuss three observational signatures of relativistic outflows from different explosive death scenarios of stellar systems. First, I will present a new analytic model for the propagation of relativistic jets in ambient medium and apply it to the collapsar model for gamma-ray bursts(GRBs). This model predicts a clear signature in the duration distribution of bursts. This signature is seen in the distribution of long GRBs but contradicts the durations of low-luminosity GRBs, suggesting that the two types of bursts are fundamentally different. Second, I will present theory of relativistic shock breakouts. Such breakouts are expected to produce gamma-ray flares, with a specific signature, in white dwarf explosions (e.g., Ia supernovae), extremely energetic supernovae and GRBs. The high-energy emission of all low-luminosity GRBs show this signature, and is most likely generated by relativistic shock breakout. Finally, I will discuss radio remnants, generated by mildly relativistic outflow from the merger of compact binaries, the most promising sources of detectablegravitational wave (GW) signal. These remnants are likely to be detectable weeks after the merger, out to the detection horizon of next generation ground based GW detectors. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1310401800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110711T163000Z DTEND:20110711T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:131048280081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110712T150000Z DTEND:20110712T163000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "To be announced" (Chris Hirata, California Institute of Technology) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1312821000961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110808T163000Z DTEND:20110808T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1313425800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110815T163000Z DTEND:20110815T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch. A limited lunch menu is available in Harry's Bar in the upper level of the Dining Hall. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1314030600961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110822T163000Z DTEND:20110822T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1314635400961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110829T163000Z DTEND:20110829T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch. A limited lunch menu is available in Harry's Bar in the upper level of the Dining Hall. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1315845000961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110912T163000Z DTEND:20110912T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:131584950013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110912T174500Z DTEND:20110912T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Mass and Environment as Drivers of Galaxy Evolution in SDSS and zCOSMOS and the Origin of the Schechter Function" (Claire Lackner, Discussion Leader, Princeton University) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. Here's a link to the paper to be discussed: http://arxiv.org/abs/1003.4747v1, "Mass and Environment as Drivers of Galaxy Evolution in SDSS and zCOSMOS and the Origin of the Schechter Function," by Peng, Ying-jie, et al. LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://www.astro.princeton.edu/galread/ END:VEVENT BEGIN:VEVENT UID:1316098800684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110915T150000Z DTEND:20110915T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Searching for Redshift ~7 Quasars with UKIDSS" (Daniel Mortlock, Imperial College) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1316449800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110919T163000Z DTEND:20110919T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:131653080081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110920T150000Z DTEND:20110920T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Galaxy Clusters and Cosmic Structure" (Leonidas Moustakas, Jet Propulsion Lab and California Institute of Technology) DESCRIPTION:ABSTRACT: Through their census, internal structure, and substructure, galaxy clusters encode signatures of the expansion history of the universe, and basic properties of the dark matter particle. I will present early work on systematic multi-wavelength studies of galaxy clusters recently discovered at redshifts beyond one, and recent quantitative cluster structure results from the Multi-Cycle program Cluster Lensing And Supernova Survey with Hubble (CLASH). I will discuss possible sources of systematic error, and if these are understood, how these results may lend unique insight now (or in the near future) on the nature of dark energy, and dark matter. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1316536200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110920T163000Z DTEND:20110920T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1316617200632957a5763464d5e53fdca9107890cd@sns.ias.edu DTSTART:20110921T150000Z DTEND:20110921T160000Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group] - SPECIAL DATE - TIME CHANGED, "Moving Mesh Cosmological Simulations" (Lars Hernquist, Discussion Leader, Princeton University) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. Discussing "Moving mesh cosmology: numerical techniques and global statistics," by Mark Vogelsberger (http://arxiv.org/abs/1109.1281). LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://www.astro.princeton.edu/galread/ END:VEVENT BEGIN:VEVENT UID:1316703600684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110922T150000Z DTEND:20110922T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Planetary Systems Around White Dwarfs" (You-Hua Chu, University of Illinois at Urbana-Champaign) DESCRIPTION:ABSTRACT: As a low- or intermediate-mass star evolve to the final white dwarf stage, it often loses more than 50% of its original mass. Consequently, its planetary system expands, and the collision rates among thesubplanetary bodies, such as asteroids and comets, would increase. While no planets have been convincingly detected around white dwarfs,dust disks produced by tidally disrupted asteroids or collisions among comets have been reported. We have conducted a Spitzer MIPS 24 micron survey of hot white dwarfs, and archival Spitzer IRAC/MIPS surveys of white dwarfs and central stars of planetary nebulae. IR excesses indicative of dust disks have been found in many cases. I will report these results and discuss their implications on planetary systems. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1317052800787768801885f48ce090934598058157@sns.ias.edu DTSTART:20110926T160000Z DTEND:20110926T170000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1317054600961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20110926T163000Z DTEND:20110926T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "First Observational Tests of Eternal Inflation" (Stephen Feeney, University College London) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. ABSTRACT: In the picture of eternal inflation, our observable universe resides inside a single bubble nucleated from an inflating false vacuum. Many of the theories giving rise to eternal inflation predict that we have causal access to collisions with other bubble universes, providing an opportunity to confront these theories with observation. I will present the results from the first observational search for the effects of bubble collisions, usingcosmic microwave background data from the WMAP satellite. Our search targets a generic set of properties associated with a bubble collision spacetime,which will be described in detail. We use a modular algorithm that is designed to avoid a posteriori selection effects, automatically picking out the most promising signals, performing a search for causal boundaries, and conducting a full Bayesian parameter estimation and model selection analysis. I will outline each component of this algorithm, describing itsresponse to simulated CMB skies with and without bubble collisions. Our model selection results based on WMAP 7-year data do not warrant augmentingLCDM with bubble collisions. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:131705910013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20110926T174500Z DTEND:20110926T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "The Atlas3D Project - X" (Stephanie Tonnesen, Discussion Leader, Princeton University) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. This week let's read an ATLAS-3D paper, "The Atlas3D Project - X. On the Origin of the Molecular and Ionised Gas in Early-type Galaxies," Here is a link to the paper: http://adsabs.harvard.edu/abs/2011arXiv1107.0002D . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://www.astro.princeton.edu/galread/ END:VEVENT BEGIN:VEVENT UID:131713560081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20110927T150000Z DTEND:20110927T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "New Probes of Strong Gravity Near Black Holes" (Avi Loeb, Harvard-Smithsonian Center for Astrophysics) DESCRIPTION:The lecture will present new techniques that will be employed over the coming decade to probe strong field gravity in the vicinity of black holes. Advances in technology (in the form of long baseline interferometry at a wavelength of ~1 millimeter) allow us already to image the silhouette of the black holes in the Galactic center (SgrA*) and M87. I will present the current preliminary data and its implications. Second, the gravitational radiation emitted by tight black hole binaries will be detectable with upcoming observatories, such as Advanced-LIGO and LISA.Third, the recoil induced by the anisotropic emission of gravitational waves in the final plunge of supermassive binaries could produce transient electromagnetic counterparts and also imprint detectable scars on theirhost galaxies. New surveys for transients (PTF, Pan-STARRS, LSST, WFIRST) will be sensitive to such counterparts, as well as to flares associated with the tidal disruption of stars which get close to the horizon ofmassive black holes. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1317141000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20110927T163000Z DTEND:20110927T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1317308400684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20110929T150000Z DTEND:20110929T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Tests of Gravity in the Local Universe" (Bhuvnesh Jain, University of Pennsylvania) DESCRIPTION:ABSTRACT: Gravity theories and large-scale cosmological tests have been actively pursued in recent years. This talk will focus on a new arena for astrophysical tests of gravity: dwarf galaxies and stars in the nearby universe. Theoretical predictions and observational constraints from existing data will be discussed. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1317657600787768801885f48ce090934598058157@sns.ias.edu DTSTART:20111003T160000Z DTEND:20111003T170000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:13176594009edabaf4527480057d6a4ff9e8bf12bb@sns.ias.edu DTSTART:20111003T163000Z DTEND:20111003T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion - TITLE ADDED, "Detecting a Gravitational Wave Background with Cosmological Probes" (Laura Book, California Institute of Technology) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. ABSTRACT: It is predicted that a background of gravitational waves was produced in the early universe, and a detection of this background would give us unprecedented insight into the physics at work at early times. As well as direct detection experiments, which operate at high frequencies, it has been realized that gravitational waves of a wider range of frequencies can be detected indirectly through their effects on cosmological observables, such as the CMB or the positions of astrophysical objects. Both of these are currently being or will in the near future be measured to greater precision than ever before, making these methods of detecting the gravitational wave background very promising. In this talk I will discuss my own recent work on the use of astrometry and CMB lensing to detect or constrain the primordial gravitational wave background. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:131766390013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20111003T174500Z DTEND:20111003T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Low Mass BHs and Their Hosts" (Yan-Fei Jiang, Princeton University) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The papers that will be discussed are: "Black Hole Mass and Bulge Luminosity for Low-mass Black Holes," by Yan-Fei Jiang, et al. (http://arxiv.org/abs/1107.4103) and "The Host Galaxies of Low-mass Black Holes," by Yan-Fei Jiang, et al. (http://arxiv.org/abs/1107.4105) . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://www.astro.princeton.edu/galread/ END:VEVENT BEGIN:VEVENT UID:131774040081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20111004T150000Z DTEND:20111004T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "LHC Results from 2011 and Their Implications for Physics Beyond the Standard Model" (Jay Wacker, Stanford Linear Accelerator Center (SLAC)) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1317745800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20111004T163000Z DTEND:20111004T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1317913200684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20111006T150000Z DTEND:20111006T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Massive Neutrinos and the Non-linear Matter Power Spectrum" (Simeon Bird, Institute for Advanced Study) DESCRIPTION:ABSTRACT: Measurements of the matter power spectrum provide an unparalleled opportunity for constraining the mass of the neutrino, due to the damping effect of the neutrino thermal velocity on the growth of cosmic structure. I will discuss recent results which use N-body simulations to fully explore this effect even in the fully non-linear regime. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1318262400787768801885f48ce090934598058157@sns.ias.edu DTSTART:20111010T160000Z DTEND:20111010T170000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1318264200961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20111010T163000Z DTEND:20111010T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "Probing the Very Early Universe with Large-scale Structure" (Fabian Schmidt, California Institute of Technology) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. ABSTRACT: Current and future galaxy surveys will map out a significant portion of the observable Universe. In addition to telling us about what the Universe is made of and how it evolved, the data can be used to probe the origin of the seed perturbations produced during inflation, in particular through primordial non-Gaussianity. I will explain the general idea and give some concrete examples. I will also discuss some of the theoretical issues that need to be solved in order to realize this potential. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:131826870013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20111010T174500Z DTEND:20111010T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Reddening from SDSS Stellar Spectra" (Eddie Schlafly, Harvard-Smithsonian Center for Astrophysics) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The paper "Measuring Reddening with Sloan Digital Sky Survey Stellar Spectra and Recalibrating SFD," by Edward F. Schlafly and Douglas P. Finkbeiner will be discussed. LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://iopscience.iop.org/0004-637X/737/2/103/pdf/apj_737_2_103.pdf END:VEVENT BEGIN:VEVENT UID:131834520081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20111011T150000Z DTEND:20111011T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Coronal Radiation of a Cusp of Spun-up Stars and the X-ray Luminosity of Sgr A*" (Rashid Sunyaev, Max-Planck Institute for Astrophysics and Institute for Advanced Study) DESCRIPTION:Chandra has detected optically thin, thermal X-ray emission with a size of ~1 arcsec and luminosity ~10^33 erg/s from the direction of the Galactic supermassive black hole (SMBH), Sgr A*. We suggest that a significant or even dominant fraction of this signal may be produced by several thousand late-type main-sequence stars that possibly hide in the central ~0.1 pc region of the Galaxy. As a result of tidal spin-ups caused by close encounters with other stars and stellar remnants, these stars should be rapidly rotating and hence have hot coronae, emitting copious amounts of X-ray emission with temperatures kT<~ a few keV. The Chandra data thus place an interesting upper limit on the space density of (currently unobservable) low-mass main-sequence stars near Sgr A*. This bound is close to and consistent with current constraints on the central stellar cusp provided by infrared observations. If coronally active stars do provide a significant fraction of the X-ray luminosity of Sgr A*, it should be variable on hourly and daily time scales due to giant flares occurring on different stars. Another consequence is that the quiescent X-ray luminosity and accretion rate of the SMBH are yet lower than believed before. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1318350600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20111011T163000Z DTEND:20111011T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1318518000684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20111013T150000Z DTEND:20111013T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Constraints on Inflationary Features from the CMB" (Cora Dvorkin, Institute for Advanced Study) DESCRIPTION:Abstract: I introduce a general method for constraining the shape of the inflationary potential from Cosmic Microwave Background (CMB) temperature andpolarization power spectra. This approach relates the CMB observables to the shape of the inflationary potential via a single source function that isresponsible for the observable features in the initial curvature power spectrum. The source function is, to an excellent approximation, simply related to the slope and curvature of the inflaton potential, even in thepresence of large or rapidly changing deviations from scale-free initial conditions. Oscillatory features in the CMB temperature power spectrum have led tointerest in exploring models with features in the inflationary potential, but such cases are typically studied on a case-by-case basis. This formalismgeneralizes previous studies by exploring the complete parameter space of inflationary models in a single analysis. I will present results from a Markov Chain Monte Carlo likelihood analysis of WMAP 7-year and other data sets that probe the inflationary potential both at large and small scales, and I will discuss constraints from upcoming high-sensitivity experiments. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1318869000961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20111017T163000Z DTEND:20111017T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "Non-Gaussianity in Single Field Inflation Beyond Slow-roll" (Johannes Noller, Imperial College) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. ABSTRACT: In inflationary theories, single field models are typically considered subject to slow-roll conditions. In this talk I will present current observational constraints on deviations from slow-roll, e.g. bounds coming from strong coupling considerations, scale-dependent non-Gaussianities and the tensor-to-scalar ratio. These constraints still allow significant violations of slow-roll conditions. Focusing on non-Gaussian signals, I will discuss a variety of intriguing observable signatures that can be found for fast-rolling single fields. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:13188690001115c1a3489274c84520d4c9160adf15@sns.ias.edu DTSTART:20111017T163000Z DTEND:20111017T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group - NOTE NEW TIME, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:131887350013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20111017T174500Z DTEND:20111017T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Satellites of L* Galaxies" (Eric Tollerud, Discussion Leader, University of California - Irvine) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. Paper to be discussed is "Small-scale Structure in the Sloan Digital Sky Survey and LCDM: Isolated ~L * Galaxies with Bright Satellites," by Tolerud, E., et al. LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://adsabs.harvard.edu/abs/2011ApJ...738..102T END:VEVENT BEGIN:VEVENT UID:131895000081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20111018T150000Z DTEND:20111018T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "The Future of Large Scale Structure: Weak Lensing or Galaxy Clustering?" (Uros Seljak, University of California, Berkeley) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1318955400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20111018T163000Z DTEND:20111018T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1319122800684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20111020T150000Z DTEND:20111020T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "The Formation of Molecular Clouds and Massive Stars" (Mordecai-Mark Mac Low, American Museum of Natural History) DESCRIPTION:ABSTRACT: In this talk I consider two questions. First, I investigate the formation of molecular clouds from diffuse interstellar gas. It has been argued that the midplane pressure controls the fraction of molecular hydrogen present, and thus the star formation rate. Alternatively, I and others have suggested that the gravitational instability of the disk controls both. I present numerical results demonstrating that the observed correlations between midplane pressure, molecular hydrogen fraction, and star formation rate can be explained within the gravitational instability picture. Second, I discuss how ionization affects the formation of massive stars. Although most distinctive observables of massive stars can be traced back to their ionizing radiation, it does not appear to have a strong effect on their actual formation. Rather, I present simulations suggesting that stars only ionize large volumes after their accretion has already been throttled by gravitational fragmentation in the accretion flow. At the same time these models can explain many aspects of the observations of ultracompact H II regions. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:13192272002054e30db8b47cf3994ccb465437c3f7@sns.ias.edu DTSTART:20111021T200000Z DTEND:20111021T210000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar - TITLE ADDED - NOTE SPECIAL DAY & TIME, "New Constraints on Cosmological Reionization from the South Pole Telescope" (Oliver Zahn, The Berkeley Center for Cosmological Physics) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1319473800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20111024T163000Z DTEND:20111024T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "Ultra-light Axions: Degeneracies with Massive Neutrinos and Forecasts for Future Cosmological Observations" (David J. E. Marsh, Oxford University) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. ABSTRACT: A generic prediction of string theory is the existence of many axion fields. It has recently been argued that many of these fields should be light and, like the well known QCD axion, lead to observable cosmological consequences. In this paper we study in detail the effect of the so-called string axiverse on large scale structure, focusing on the morphology and evolution of density perturbations, anisotropies in the cosmic microwave background and weak gravitational lensing of distant galaxies. We quantify specific effects that will arise from the presence of the axionic fields and highlight possible degeneracies that may arise in the presence of massive neutrinos. We take particular care understanding the different physical effects and scales that come into play. We then forecast how the string axiverse may be constrained and show that with a combination of different observations, it should be possible to detect a fraction of ultralight axions to dark matter of a few percent. I focus on the lightest axions, with mass <10^{-28}eV, and present a exact numerical study on their cosmological effects. I will briefly introduce axions in string theory and their motivation as an ultra-light dark matter ingredient based in part on the observance of excess relativistic energy density and neutrino masses. I will then review their known effects on large scale structure, before presenting new work on precision observables and forecasts for a Euclid-style mission. I may also review some other work on an extension of this model to include coupling to other moduli fields. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1319473800e3bf690845ec27a6142836a71ce72c1b@sns.ias.edu DTSTART:20111024T163000Z DTEND:20111024T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group - NOTE CHANGED START TIME, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:131947830013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20111024T174500Z DTEND:20111024T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Merger Rates" (Elisa Chisari, Discussion Leader, Princeton University) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. To be discussed are: "The diminishing importance of major galaxy mergers at higher redshifts," by Rik J. Williams, et al. and "The Major and Minor Galaxy Merger Rates at z < 1.5," by Lotz, et. al. LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://arxiv.org/abs/1108.2508 END:VEVENT BEGIN:VEVENT UID:131955480081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20111025T150000Z DTEND:20111025T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Piecing Together the Puzzle of Galaxy and Black Hole Co-evolution" (Rachel Somerville, Rutgers, The State University of New Jersey) DESCRIPTION:ABSTRACT: Nearly all astronomers now believe that most or all galaxies contain a supermassive black hole, and that many properties of the galaxy are tightly correlated with the mass of the black hole. It is becoming widely accepted that the energy released by these growing black holes probably has a significant impact on the host galaxy and its surroundings, and it has been suggested that this process of "AGN feedback" could solve some outstanding problems in cosmological simulations of galaxy formation. However, many important questions remain unanswered: how do the "seed" black holes form and what are their masses? How is black hole growth triggered and regulated, and what is the physical origin of the correlation between black hole mass and galaxy properties? What is the relationship between star formation and black hole accretion? How, in detail, does the energy released by accreting black holes couple with the gas that surrounds and feeds galaxies? I will address these questions with an overview of recent observational results from deep multi-wavelength surveys, and with predictions from theoretical models and simulations. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1319560200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20111025T163000Z DTEND:20111025T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1319655600e95262666189123b24f94add4ce27866@sns.ias.edu DTSTART:20111026T190000Z DTEND:20111026T203000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar- SPECIAL DAY & TIME, "Self-consistent Velocities in Collisional Cascades and How We Might Observe Them" (Margaret Pan, University of California, Berkeley) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1319727600684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20111027T150000Z DTEND:20111027T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "The Phase-space Structure of Mono-abundance Sub-populations of the Milky Way Disk" (Jo Bovy, Institute for Advanced Study) DESCRIPTION:Observations of the structure and kinematics of different stellar populations in the Milky Way's disk provide a unique perspective on disk formation and evolution. I will discuss how current and future data sets that provide detailed kinematics and elemental abundances beyond the Solar neighborhood lead to qualitatively new tests of internal and external disk evolution models. In particular, I will show recent results from a dissection into mono-abundance components of the Galactic disk based on SDSS/SEGUE data. These results show that the individual components are simple, but exhibit very different spatial structure, and they lend direct observational support for inside-out formation models for galactic disks. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1320078600961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20111031T163000Z DTEND:20111031T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "Mass Hierarchies, Decoupling and the Imprints of Heavy Fields During Inflation" (Subodh Patil, Ecole Normale/Polytechnique Paris) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. ABSTRACT: The effective theory (EFT) of inflation is a powerful framework to consistently parametrize inflationary models at the relevant energy scales. In an effectively single field setting, all heavy modes that couple to the inflaton integrate out to a derivative expansion which order by order is parametrically suppressed by powers of H^2/M^2-- M being the cutoff of the theory and H being the scale of Inflation. This is what we mean by heavy fields having decoupled. In this talk we discuss how certain higher dimensional operators can become transiently strongly coupled during inflation if the inflaton trajectory traverses a sharp enough bend in field space. This strong coupling can compete with the H^2/M^2 suppression enough to result in corrections to CMB observables that cross the threshold of detectability, even as slow roll and an effective single field description remain valid. We argue that these corrections ought to be generic, and are due to the appearance of a new strong coupling scale during inflation. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1320078600787768801885f48ce090934598058157@sns.ias.edu DTSTART:20111031T163000Z DTEND:20111031T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:13200786009b34269324ecec2ee4cfeae9cee35c5a@sns.ias.edu DTSTART:20111031T163000Z DTEND:20111031T173000Z SUMMARY:Princeton University/Institute for Advanced Study Transient Lunch Discussion (General Discussion) DESCRIPTION:The Monday Transient Lunch will focus on the general topic of stellar transients/explosions (supernovae, GRBs, fast transients, etc. and connection to progenitors). The first meeting will be organizational. Please e-mail Jose Prieto to be added to the e-mail list. LOCATION:Institute for Advanced Study, Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:132008310013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20111031T174500Z DTEND:20111031T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Tully-Fisher Relation" (Sarah Miller, Oxford University) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. This paper will be discussed, "The Assembly History of Disk Galaxies. I. The Tully-Fisher Relation to z~1.3 from Deep Exposures with DEIMOS," by Miller, et al. LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://iopscience.iop.org/0004-637X/741/2/115/ END:VEVENT BEGIN:VEVENT UID:132015960081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20111101T150000Z DTEND:20111101T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "New Developments in Spiral Structure Theory" (Jerry Sellwood, Rutgers, The State University of New Jersey) DESCRIPTION:Abstract: Over 150 years after their discovery, astronomers still lack a complete theory for the origin of the beautiful spiral patterns in disk galaxies. I will review the various ideas that have been proposed and describe some recent observational data that appear to support a recurrent instability mechanism. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1320165000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20111101T163000Z DTEND:20111101T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1320332400684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20111103T150000Z DTEND:20111103T163000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Constructing a Hubble Diagram with Baryon Oscillations" (Nikhil Padmanabhan, Yale University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1320687000961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20111107T173000Z DTEND:20111107T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "Categorizing Models of Cosmic Acceleration" (Jolyon Bloomfield, Cornell University) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1320687000787768801885f48ce090934598058157@sns.ias.edu DTSTART:20111107T173000Z DTEND:20111107T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:132069150013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20111107T184500Z DTEND:20111107T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "LINER-like Emission in Red Galaxies" (Renbin Yan, Discussion Leader, New York University) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The paper to be discussed is "The Nature of LINER-like Emission in Red Galaxies," by Yan and Blanton, http://arxiv.org/abs/1109.1280 . The group's website is: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://arxiv.org/abs/1109.1280 END:VEVENT BEGIN:VEVENT UID:132076800081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20111108T160000Z DTEND:20111108T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Decoding Gravitational Wave Signals from Double Compact Objects" (Will Farr, Northwestern University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1320773400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20111108T173000Z DTEND:20111108T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1320940800684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20111110T160000Z DTEND:20111110T173000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "A Physical Mechanism for Deflagration-to-Detonation Transitions (DDTs)" (Doron Kushnir, Weizmann Institute) DESCRIPTION:ABSTRACT: DDTs are observed in terrestrial combustion flows, and are inferred to occur in supernova explosions of type Ia. The physical mechanism responsible for DDT, in both chemical and nuclear combustion, is a long standing open question. We propose (arXiv:1108.4690) a novel mechanism for the transition, showing that detonation may be ignited by converging shocks in nearly sonic turbulent deflagration flows. The suggested mechanism is an alternative to the one proposed by Zeldovich et al. (1970), in which finely tuned spatial gradients in the combustible medium must be maintained in the turbulent deflagration flow. The model makes predictions that may be tested by both terrestrial experiments and numerical simulations. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:13212918000f2a967835ae6fb184e688ec9406edc5@sns.ias.edu DTSTART:20111114T173000Z DTEND:20111114T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion - TITLE UPDATED, "Measurements of Non-Gaussianity And the CIB Fluctuations High Redshift Sources" (Joseph Smidt, University of California, Irvine) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. ABSTRACT: Measurements of Cosmic Microwave Background (CMB) anisotropies haveserved as the strongest experimental probe of the early Universe to date. If the CMB were a purely Gaussian field, all statistical information would be contained in the power spectrum or two-point correlation function. However, non-Gaussianities ensure that new physics may be extracted from higher n-point correlation functions including the bispectrum and trispectrum of the CMB. In this talk I will discuss new estimators we have formulated to probe primordial non-Gaussianity in the bispectrum and trispectrum of CMB data and the constraints we have made using WMAP data while discussing implications for inflationary models. I will also discuss how these same methods may be used to probe other types of physics in higher order correlation functions such as the amplitude of lensing of the CMB for which we have also made a constraint using the trispectrum of WMAP data. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1321291800787768801885f48ce090934598058157@sns.ias.edu DTSTART:20111114T173000Z DTEND:20111114T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1321295400370e370a4515ecd6cefb7831febcdf82@sns.ias.edu DTSTART:20111114T183000Z DTEND:20111114T193000Z SUMMARY:Princeton University/Institute for Advanced Study Transient Discussion (General Discussion) DESCRIPTION:A bi-weekly discussion will focus on the general topic of stellar transients/explosions (supernovae, GRBs, fast transients, etc. and connection to progenitors). The location will alternate between Princeton University and the Institute for Advance Study. Check the group website for the Princeton University meeting location. Please e-mail Jose Prieto to be added to the e-mail list. See the web site for papers to be discussed. LOCATION:Princeton University, Peyton Hall COMMENT: URL:http://princetontransients.wikispaces.com/ END:VEVENT BEGIN:VEVENT UID:132129630013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20111114T184500Z DTEND:20111114T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Local Remnants of the Most Massive Quasars?" (Nicholas McConnell, Discussion Leader, Princeton University) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The group website is: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://iopscience.iop.org/1538-4357/583/1/L5 END:VEVENT BEGIN:VEVENT UID:132137280081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20111115T160000Z DTEND:20111115T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Universality in Multifield Inflation" (Liam McAllister, Cornell University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1321378200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20111115T173000Z DTEND:20111115T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1321545600684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20111117T160000Z DTEND:20111117T173000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Simulating Granular Dynamics in Low Gravity" (Derek Richardson, University of Maryland) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1321896600961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20111121T173000Z DTEND:20111121T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1321896600787768801885f48ce090934598058157@sns.ias.edu DTSTART:20111121T173000Z DTEND:20111121T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:132190110013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20111121T184500Z DTEND:20111121T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Fundamental Plane of Black Hole Activity" (Richard Plotkin, University of Amsterdam) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The paper that will be discussed is, "Using the Fundamental Plane of Black Hole Activity to Distinguish X-ray Processes from Weakly Accreting Black Holes," by Plotkin, et al. ( http://arxiv.org/abs/1105.3211 ) See the website for all information: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://arxiv.org/abs/1105.3211 END:VEVENT BEGIN:VEVENT UID:132197760081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20111122T160000Z DTEND:20111122T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Galactic-Scale Star Formation Rates: An Efficient Market" (Eve Ostriker, University of Maryland at College Park) DESCRIPTION:ABSTRACT: Recent surveys have established increasingly precise correlations between star formation rates (SFRs) and the gas, stellar, and dark matter contents of galaxies. Outer galactic disks are dominated by atomic gas and have steep Kennicutt-Schmidt (KS) relations. Mid-disks are dominated by molecular gas and have nearly linear KS relations. Starburst regions (in ULIRGs and high-z galaxies) are molecule-dominated and have steep KS relations. Recent data also confirm a pervasive inefficiency of gas consumption: for all regimes, the gas supply divided by the local dynamical time far exceeds the SFR. To understand these empirical relations, it is crucial to consider the ISM physics at scales small compared to the disk thickness, and the demands imposed by rapid gas cooling and dissipation of turbulence. Recently, we have developed theoretical models in which feedback from massive stars self-regulates SFRs, subject to local environmental conditions including the stellar and dark matter gravitational potentials. In equilibrium, the SFR adjusts until ISM heating balances cooling, total pressure balances gravity, and turbulent driving balances dissipation. These models are in remarkably good agreement with observations in all three regimes of star formation, and have been confirmed and calibrated using multiphase numerical hydrodynamic simulations. From this perspective, it is the high efficiency of massive-star feedback -- stellar UV and expanding SN remnants replenish thermal and turbulent energy in less than a dynamical time -- that enables low gas consumption and sustained star formation in disk galaxies. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1321983000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20111122T173000Z DTEND:20111122T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1322501400961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20111128T173000Z DTEND:20111128T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "A 2% Measurement of the BAO in SDSS DR7 using Reconstruction" (Xiaoying Xu, University of Arizona) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. ABSTRACT: We demonstrate the first application of reconstruction on real observed galaxies in the SDSS DR7 luminous red galaxy catalogue. We also introduce more careful approaches to deriving a suitable covariance matrix and fitting model for galaxy correlation functions. These all aid in obtaining a more accurate measurement of the acoustic scale and its error. We validate our reconstruction, covariance matrix and fitting techniques on 160 mock catalogues derived from the LasDamas simulations in redshift space. We then apply these techniques to the DR7 LRG sample and find that the error on the acoustic scale decreases from ~3.4% before reconstruction to ~1.9% after reconstruction. This 40% reduction in the error is equivalent to the effect of increasing the survey volume by about a factor of 3. We also see an increase by at least 1-sigma in the significance of our BAO detection for 2 different measures of BAO significance. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1322501400787768801885f48ce090934598058157@sns.ias.edu DTSTART:20111128T173000Z DTEND:20111128T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:132250590013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20111128T184500Z DTEND:20111128T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Probing Galaxy Halos with COS" (Jenny Greene & Ed Jenkins, Princeton University) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. Three papers will be discussed: http://adsabs.harvard.edu/abs/2011arXiv1111.3982T, http://adsabs.harvard.edu/abs/2011arXiv1111.3980T, and http://adsabs.harvard.edu/abs/2011arXiv1111.3981L See the website for all information: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://adsabs.harvard.edu/abs/2011arXiv1111.3982T END:VEVENT BEGIN:VEVENT UID:1322506800370e370a4515ecd6cefb7831febcdf82@sns.ias.edu DTSTART:20111128T190000Z DTEND:20111128T200000Z SUMMARY:Princeton University/Institute for Advanced Study Transient Discussion (General Discussion) DESCRIPTION:A bi-weekly discussion will focus on the general topic of stellar transients/explosions (supernovae, GRBs, fast transients, etc. and connection to progenitors). The location will alternate between Princeton University and the Institute for Advance Study. Check the group website for the Princeton University meeting location. Please e-mail Jose Prieto (jprieto at astro.princeton.edu) to be added to the e-mail list. See the web site for papers to be discussed. LOCATION:Institute for Advanced Study, Astrophysics Library COMMENT: URL:http://princetontransients.wikispaces.com/ END:VEVENT BEGIN:VEVENT UID:132258240081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20111129T160000Z DTEND:20111129T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Statistical Properties of the Population of Super-Earths and Neptune-type Planets" (Michel Mayor, University of Geneva) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1322587800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20111129T173000Z DTEND:20111129T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1322755200ac84066c0ce7f864942940adb6d5a65f@sns.ias.edu DTSTART:20111201T160000Z DTEND:20111201T173000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar - ADDED, "Roche Accretion Of Stars Close To Massive Black Holes" (Lixin (Jane) Dai, Stanford University) DESCRIPTION:ABSTRACT: We consider the Roche accretion in an Extreme Mass-Ratio Inspiral (EMRI) binary system formed by a star orbiting a massive black hole. The ultimate goal is to constrain the mass and spin of the black hole and confirm general relativity in the strong-field regime from the resulted quasi-periodic signals. Before accretion starts, the star orbits the hole in a circular, equatorial stellar orbit, which shrinks due to gravitational radiation. If the inspiralling star fills its Roche lobe outside the Innermost Stable Circular Orbit (ISCO) of the hole, gas will flow through the inner Lagrange point to the hole. If this mass-transfer happens on a time scale faster than the thermal time scale but slower than the dynamical time scale, the star will evolve adiabatically, and, in most cases, will recede from the hole. We calculate how the stellar orbits and mass-transfer rates will change as various types of stars are tidally stripped in the relativistic regime, and discussed the stability during the process. We envisage that the mass stream eventually hits the accretion disc, where it forms a hot spot orbiting the hole and may ultimately modulate the luminosity with the stellar orbital frequency. The observability of such a modulation is discussed along with possible interpretation of an intermittent 1 hour period in the X-ray emission of RE J1034+396. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1323106200961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20111205T173000Z DTEND:20111205T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "The Phenomenology of Light Gravitino Dark Matter" (Samuel Lee, California Institute of Technology / Johns Hopkins University) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. ABSTRACT: I will discuss some work on the collider phenomenology and cosmology of light gravitino dark matter, and will touch on some related issues concerning infrared divergences in charged-particle decay at finite temperature. Light gravitinos, with mass in the eV to MeV range, are well-motivated in particle physics, but their status as dark-matter candidates is muddled by early-Universe uncertainties. Upcoming data from colliders may clarify this picture. Light-gravitino collider events should result in spectacular signals, including di-photons, delayed and non-pointing photons, kinked charged tracks, and heavy metastable charged particles. Remarkably, collider data is also well suited to distinguish between currently viable light-gravitino cosmological scenarios, with interesting implications for early-Universe cosmology. Finally, the process of charged-particle decay in the early Universe is important in light-gravitino production, and may also be relevant in other particle-astrophysics scenarios. I will examine the cancellation of power-like infrared divergences that arise at finite temperature, and will discuss some possible implications for such scenarios. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1323106200787768801885f48ce090934598058157@sns.ias.edu DTSTART:20111205T173000Z DTEND:20111205T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:13231872004562fc520a9491d6436cbacbe21e86ec@sns.ias.edu DTSTART:20111206T160000Z DTEND:20111206T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar - LOCATION CHANGE, "Formalism and Function with the CMB" (Marc Kamionkowski, Johns Hopkins University) DESCRIPTION: LOCATION:Bloomberg Hall Physics Library - NOTE CHANGE COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1323192600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20111206T173000Z DTEND:20111206T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1323365400fff9088eef484bdf825b544eadfb9395@sns.ias.edu DTSTART:20111208T173000Z DTEND:20111208T183000Z SUMMARY:Princeton University/Institute for Advanced Study Transient Discussion - NOTE DATE & TIME (General Discussion) DESCRIPTION:A bi-weekly discussion will focus on the general topic of stellar transients/explosions (supernovae, GRBs, fast transients, etc. and connection to progenitors). The location will alternate between Princeton University and the Institute for Advance Study. Check the web site for the location. Please e-mail Jose Prieto to be added to the e-mail list. See the web site for papers to be discussed. LOCATION:Princeton University, Peyton Hall. Room 140 COMMENT: URL:http://princetontransients.wikispaces.com/ END:VEVENT BEGIN:VEVENT UID:1323711000961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20111212T173000Z DTEND:20111212T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "Dissipative Effects in the Effective Field Theory of Inflation" (Diana Nacir, Universidad de Buenos Aires, Argentina) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. ABSTRACT: In this talk I will summarize a recent article arXiv:1109.4192v1 [hep-th] (co-authors: R. Porto, L. Senatore, and M. Zaldarriaga) where we generalized the effective field theory (EFT) of single clock inflation proposed in JHEP 0803:014 (2008) to include dissipative effects. After some motivations and a brief summary of the EFT of inflation I will describe the inflationary scenarios we focus on and how we include the influence of additional degrees of freedom (ADOF) on the dynamics of the perturbations of the clock (which we called $\pi$ field) within the EFT framework. Then, I will discuss under which circumstances a large friction term of the form $\gamma\dot{\pi}$ leads to an increased level of non-gaussianities. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1323711000787768801885f48ce090934598058157@sns.ias.edu DTSTART:20111212T173000Z DTEND:20111212T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:132371550013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20111212T184500Z DTEND:20111212T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "AMR Simulations of Galaxy Formation" (Cameron Hummels, Discussion Leader, Columbia University) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The paper to be read is "Adaptive Mesh Refinement Simulations of Galaxy Formation: Exploring Numerical and Physical Parameters", by Cameron Hummels, Greg Bryan, http://arxiv.org/abs/1112.0009 . The group's website Is: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://arxiv.org/abs/1112.0009 END:VEVENT BEGIN:VEVENT UID:132379200089b3dbe817fb759dd4cfa3f2ae6712a7@sns.ias.edu DTSTART:20111213T160000Z DTEND:20111213T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar - CANCELED DESCRIPTION: LOCATION: COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:13238028004607ab693901742ad6005f4aff861b83@sns.ias.edu DTSTART:20111213T190000Z DTEND:20111213T200000Z SUMMARY:Institute for Advanced Study Bahcall Lunch - CANCELED DESCRIPTION: LOCATION: COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1323891000a6d9a8115bdba234ae0fbcaa1240d0a6@sns.ias.edu DTSTART:20111214T193000Z DTEND:20111214T203000Z SUMMARY:Institute for Advanced Study Astrophysics Blackboard Talk- ADDED, "Some Neat Stuff About Kerr Geodesics" (Gabe Perez-Giz, New York University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1324315800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20111219T173000Z DTEND:20111219T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. PLEASE NOTE: The Institute Dining Hall lunch schedule will be a bit different on Monday, Dec 19 because of a staff holiday luncheon that day. The IAS Dining Hall will be open to Members/Visitors only from 11:30 - 12:30. Therefore, for the Cosmology Lunch meeting that day, we would like to ask that meeting participants who go through our lunch line and bring food over to the meeting be told to please ask for "to go" containers and a bag to carry their food in. That way, when they are done they can just put their trash in the cans provided in West Seminar, since it will be difficult to try to return trays to the Dining Hall during the staff holiday lunch. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT:The IAS Dining Hall will be open to Members/Visitors only from 11:30 - 12:30. PLEASE ASK FOR "TO GO" CONTAINERS AND A PLASTIC BAG TO CARRY YOUR LUNCH IN. URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:132449310053195bb8b463b3e3c6dcfffd757e2836@sns.ias.edu DTSTART:20111221T184500Z DTEND:20111221T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group] - NOTE DAY, "VVV Survey: The Milky Way Bulge with VISTA" (Dante Minniti, Discussion Leader, Pontificia Universidad Catolica de Chile) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The group's website Is: http://www.astro.princeton.edu/galread/ . The paper to be discussed is, "VVV DR1: The First Data Release of the Milky Way Bulge and Southern Plane from the Near-Infrared ESO Public Survey VISTA Variables in the Via Lactea", by Saito, et al. The link is listed below. LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://arxiv.org/abs/1111.5511 END:VEVENT BEGIN:VEVENT UID:1325779200684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120105T160000Z DTEND:20120105T170000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Magnetorotational-Instability-Driven Accretion in Protoplanetary Disks" (Xuening Bai, Princeton University) DESCRIPTION:ABSTRACT: Magnetohydrodynamic (MHD) turbulence driven by the magnetorotational instability (MRI) has long been considered as the most promising mechanism for transporting angular momentum in accretion disks. In protoplanetary disks (PPDs), however, the gas dynamics is strongly affected by non-ideal MHD effects such as Ohmic resistivity, Hall effect and ambipolar diffusion (AD) due to its weak ionization level. Most MRI calculations for PPDs done so far consider only the Ohmic resistivity, while Hall and AD effects dominate the surface and outer regions of PPDs but remain poorly explored. We perform 3D unstratified shearing-box MRI simulations with AD using a variety of magnetic field geometries and AD coefficients. We find that angular momentum transport becomes inefficient when the neutral-ion collision frequency falls below the orbital frequency. Moreover, sustained MRI turbulence requires weak magnetic field in the AD dominated regime. We present a general framework that incorporate these constraints together to predict the MRI-driven accretion rate and the corresponding magnetic field strength in PPDs. Our results indicate that MRI alone has difficulty in accounting for the observed accretion rate in a large fraction of PPDs, while angular momentum transport by magnetized wind may be a viable solution. On the other hand, for transitional disks, characterized by inner gaps or holes representing a later stage of PPD evolution, we find that MRI is able to drive sufficiently rapid accretion consistent with observations, and the presence of tiny grains even promotes accretion. LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1325865600684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120106T160000Z DTEND:20120106T170000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "A Global Model for Galaxy Evolution: Simplicity and its Consequences" (Yingjie Peng, Swiss Federal Institute of Technology Zurich (ETH Zurich)) DESCRIPTION:ABSTRACT: The galaxy population appears to be composed of infinitely complex different types and properties at first sight. However, when large samples of galaxies are studied, it appears that the vast majority of galaxies just follow simple scaling relations and similar evolutional modes while the outliers represent some minority. We demonstrate the astonishing underlying simplicities of the galaxy population emerged from large surveys and take a new approach to the topic of galaxy evolution and derive the analytical forms for the dominant evolutionary processes that control the galaxy evolution. This model successfully explained the observed evolution of the galaxy stellar mass functions (GSMF) of both passive and star-forming galaxies and the origin of the Schechter form of the GSMF. The model also offers natural explanations for the anti-hierarchical age-mass relation and the alpha-enrichment patterns for passive galaxies and makes many other testable predictions, such as the mass function of the population of transitory objects that are in the process of being quenched, the galaxy major- and minor-merger rates, the galaxy stellar mass assembly history, star formation history etc. Although still purely phenomenological, the model makes clear what the evolutionary characteristics of the relevant physical processes must in fact be. This model thus offers a new powerful analytical framework to study galaxy evolution and to explore a number of crucial issues and questions in galaxy evolution. LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1326130200961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120109T173000Z DTEND:20120109T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "Newtonian and Relativistic Cosmologies" (Stephen Green, University of Chicago) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. ABSTRACT: Cosmological N-body simulations are now being performed using Newtonian gravity on scales larger than the Hubble radius. It is well known that a uniformly expanding, homogeneous ball of dust in Newtonian gravity satisfies the same equations as arise in relativistic FLRW cosmology, and it also is known that a correspondence between Newtonian and relativistic dust cosmologies continues to hold in linearized perturbation theory in the marginally bound/spatially flat case. Nevertheless, it is far from obvious that Newtonian gravity can provide a good global description of an inhomogeneous cosmology when there is significant nonlinear dynamical behavior at small scales. We investigate this issue in the light of a perturbative framework that we have recently developed, which allows for such nonlinearity at small scales. We propose a relatively straightforward "dictionary"--- which is exact at the linearized level---that maps Newtonian dust cosmologies into general relativistic dust cosmologies, and we use our "ordering scheme" to determine the degree to which the resulting metric and matter distribution solve Einstein's equation. We find that Einstein's equation fails to hold at "order 1" at small scales and at "order epsilon" at large scales. We then find the additional corrections to the metric and matter distribution needed to satisfy Einstein's equation to these orders. While these corrections are of some interest in their own right, our main purpose in calculating them is that their smallness should provide a criterion for the validity of the original dictionary (as well as simplified versions of this dictionary). We expect that, in realistic Newtonian cosmologies, these additional corrections will be very small; if so, this should provide strong justification for the use of Newtonian simulations to describe relativistic cosmologies, even on scales larger than the Hubble radius. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1326384000684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120112T160000Z DTEND:20120112T170000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Liquid Water Oceans on Sub-Neptune Exoplanets" (Leslie Rogers, Massachusetts Institute of Technology) DESCRIPTION:ABSTRACT: The presence of liquid water has been hypothesized as an important ingredient for planet habitability. A sub-Neptune mass planet with a liquid water ocean below a hydrogen-rich envelope is an intriguing prospect. If the planet transits, its atmosphere could be amenable to characterization with transmission spectroscopy. A practical method to assess whether a transiting sub-Neptune planet could potentially harbor a liquid water ocean is needed. With interior structure models, I explore the conditions needed to reach pressures and temperatures conducive to liquid water at the planet surface. I apply this approach to constrain the prospects for liquid water oceans on GJ1214b and Kepler-22b. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1326735000961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120116T173000Z DTEND:20120116T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "Simone Ferraro Talk Followed by General Discussion" (Simone Ferraro, Princeton University) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1326735000787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120116T173000Z DTEND:20120116T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1326920400f52cdb8cd47f9afa46b6a8b97ebe283a@sns.ias.edu DTSTART:20120118T210000Z DTEND:20120118T220000Z SUMMARY:Institute for Advanced Study School of Mathematics Working Group on Symplectic Dynamics, "Nonregularizability of the Big Bang Singularity Using Blow Up" (Ed Belbruno, Courant Institute, New York University) DESCRIPTION: LOCATION:Simonyi Hall, S-101 COMMENT: URL:http://www.math.ias.edu/node/4040 END:VEVENT BEGIN:VEVENT UID:1326994200fff9088eef484bdf825b544eadfb9395@sns.ias.edu DTSTART:20120119T173000Z DTEND:20120119T183000Z SUMMARY:Princeton University/Institute for Advanced Study Transient Discussion - NOTE DATE & TIME (General Discussion) DESCRIPTION:A bi-weekly discussion will focus on the general topic of stellar transients/explosions (supernovae, GRBs, fast transients, etc. and connection to progenitors). The location will alternate between Princeton University and the Institute for Advance Study. Check the web site for the location. Please e-mail Jose Prieto to be added to the e-mail list. See the web site for papers to be discussed. LOCATION:Institute for Advanced Study, Bloomberg Hall, Astrophysics Library COMMENT: URL:http://princetontransients.wikispaces.com/ END:VEVENT BEGIN:VEVENT UID:1327339800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120123T173000Z DTEND:20120123T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1327339800787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120123T173000Z DTEND:20120123T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:132734430013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20120123T184500Z DTEND:20120123T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "STAGES Spiral Galaxies" (Stephanie Tonnesen, Discussion Leader, Princeton University) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The group's website Is: http://www.astro.princeton.edu/galread/ . The papers to be discussed are: http://adsabs.harvard.edu/abs/2012MNRAS.419..669M and http://adsabs.harvard.edu/abs/2007ApJ...659.1138M . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://adsabs.harvard.edu/abs/2012MNRAS.419..669M END:VEVENT BEGIN:VEVENT UID:1327944600961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120130T173000Z DTEND:20120130T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1327944600787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120130T173000Z DTEND:20120130T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:132794910013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20120130T184500Z DTEND:20120130T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Detection of Pristine Gas Two Billion Years After the Big Bang" (Michele Fumagalli, University of California, Santa Cruz) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The group's website Is: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://www.astro.princeton.edu/galread/ END:VEVENT BEGIN:VEVENT UID:132802560081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120131T160000Z DTEND:20120131T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "The Empirical Case For 10 GeV Dark Matter" (Dan Hooper, Fermi National Accelerator Laboratory) DESCRIPTION:ABSTRACT: I will summarize and discuss the body of evidence which has accumulated in favor of dark matter in the form of approximately 10 GeV particles. This evidence includes the spectrum and angular distribution of gamma rays from the Galactic Center, the synchrotron emission from the Milky Way's radio filaments, the diffuse synchrotron emission from the Inner Galaxy (the "WMAP Haze") and low-energy signals from the direct detection experiments DAMA/LIBRA, CoGeNT and CRESST-II. This collection of observations can be explained by a relatively light dark matter particle with an annihilation cross section consistent with that predicted for a simple thermal relic (sigma v ~ 10^-26 cm^3/s) and with a distribution in the halo of the Milky Way consistent with that predicted from simulations. Astrophysical explanations for the gamma ray and synchrotron signals, in contrast, have not been successful in accommodating these observations. Similarly, the phase of the annual modulation observed by DAMA/LIBRA (and now supported by CoGeNT) is inconsistent with all known or postulated modulating backgrounds, but are in good agreement with expectations for dark matter scattering. This scenario is consistent with all existing indirect and collider constraints, as well as the constraints placed by CDMS. Consistency with xenon-based experiments can be achieved if the response of liquid xenon to very low-energy nuclear recoils is somewhat suppressed relative to previous evaluations, or if the dark matter possesses different couplings to protons and neutrons. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1328031000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120131T173000Z DTEND:20120131T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:132812460014d489eed6f43f495c4213d09e7236fe@sns.ias.edu DTSTART:20120201T193000Z DTEND:20120201T203000Z SUMMARY:Institute for Advanced Study Astrophysics Blackboard Talk, "High-Contrast Imaging of Planets Around Other Stars" (Bob Vanderbei, Princeton University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT:Dave Spiegel is the organizer. URL: END:VEVENT BEGIN:VEVENT UID:1328198400684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120202T160000Z DTEND:20120202T170000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Galaxy Clusters: Beyond Spherical Cows" (Joanne Cohn, University of California, Berkeley) DESCRIPTION:ABSTRACT: The simple paradigm of a galaxy cluster as isolated, smooth and spherical leads to many useful results, both about clusters themselves and when using clusters for cosmological parameters and galaxy evolution. A high resolution large volume dark matter simulation will be used to characterize some of the departures (the cosmic web, galaxy substructure) from these cluster idealities, their relations to each other, and some of the consequences for cluster galaxies, observed cluster masses, and beyond. LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1328549400961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120206T173000Z DTEND:20120206T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1328549400787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120206T173000Z DTEND:20120206T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:132855390013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20120206T184500Z DTEND:20120206T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "The Milky Way Thick Disk" (Jo Bovy, Discussion Leader, Institute for Advanced Study) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The first paper to be discussed is: "The spatial structure of mono-abundance sub-populations of the Milky Way disk," by Jo Bovy, et al. The link to this paper is: http://arxiv.org/abs/1111.1724 . The second paper to be discussed is: "Dynamical Evidence for Environmental Evolution of Intermediate-Redshift Spiral Galaxies," by Moran, et al. The link to the paper is: http://adsabs.harvard.edu/abs/2007ApJ...659.1138M . The group's website Is: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://arxiv.org/abs/1111.1724 END:VEVENT BEGIN:VEVENT UID:132863040081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120207T160000Z DTEND:20120207T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Redshift Space Distortions and the Growth of Cosmic Structure" (Martin White, University of California, Berkeley) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1328635800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120207T173000Z DTEND:20120207T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1328803200684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120209T160000Z DTEND:20120209T170000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Planetary Population Synthesis: Comparing Planet Formation Theory and Observation" (Christoph Mordasini, Max-Planck-Institute for Astronomy, Heidelberg) DESCRIPTION:ABSTRACT: The last few years have seen a tremendous increase of observational data regarding the properties of extrasolar planets. High precision radial velocity and transit observations have yielded large datasets which are important to improve our understanding of planet formation and evolution. But also other techniques like microlensing or direct imaging start to contribute information regarding other basic properties of the extrasolar planets. Bringing all these different dataset into one coherent picture to improve our theoretical understanding is challenging, as each technique is constraining a different aspect of the formation and evolution process. I will present planetary population synthesis as a useful method in this context as it allows many direct comparisons of theoretical results with observational data. For the synthesis, we use a planetary formation model which is based on the core accretion paradigm, but includes also disk migration and disk evolution. By varying the initial conditions of the model according to observed distributions of properties of protoplanetary disk (e.g. disk mass or lifetime) we synthesize planetary populations. Recently, we have extended this formation model into a self-consistently coupled formation and evolution model. Thanks to this it is now possible to compare a synthetic and the actual observed planetary population in all major characteristics, namely in their mass, semimajor axis, radius and luminosity distributions. As an application, I will show comparisons with transit observations concerning the synthetic and the observed radius distribution, the semimajor axis distribution of planets close to the star, and the mass-radius relationship. We find that the latter can only be reproduced if strongly reduced grain opacities are assumed during the formation process, establishing an interesting link between microphysical processes like grain growth during formation and observable quantities nowadays. I will finally make predictions for the luminosity distribution of massive planets for future direct imaging searches. LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:13288086002daab2910234658d397bcf477d2115b5@sns.ias.edu DTSTART:20120209T173000Z DTEND:20120209T183000Z SUMMARY:Princeton University/Institute for Advanced Study Transient Discussion - ROOM ADDED (General Discussion) DESCRIPTION:A bi-weekly discussion will focus on the general topic of stellar transients/explosions (supernovae, GRBs, fast transients, etc. and connection to progenitors). The location will alternate between Princeton University and the Institute for Advance Study. Check the web site for the location. Please e-mail Jose Prieto to be added to the e-mail list. See the web site for papers to be discussed. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL:http://princetontransients.wikispaces.com/ END:VEVENT BEGIN:VEVENT UID:1329154200961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120213T173000Z DTEND:20120213T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1329154200787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120213T173000Z DTEND:20120213T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:132915870013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20120213T184500Z DTEND:20120213T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "The CANDELS Survey" (Claire Lackner, Discussion Leader, Princeton University) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The group's website Is: http://www.astro.princeton.edu/galread/ . Links to the papers to be discussed are http://arxiv.org/abs/1110.3794 and http://arxiv.org/abs/1110.3786 . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://arxiv.org/abs/1110.3794 END:VEVENT BEGIN:VEVENT UID:132923520081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120214T160000Z DTEND:20120214T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "The Spiral Structure and Kinematics of the Milky Way" (Mark Reid, Harvard-Smithsonian Center for Astrophysics) DESCRIPTION:The Bar and Spiral Structure Legacy (BeSSeL) Survey is an NRAO KeyScience Project that has been awarded 5000 hours of VLBA observing timefrom 2010 to 2015. Results from the first year's observations will bepresented. A major goal is to determine the Milky Way's spiral structureby measuring trigonometric parallaxes and proper motions for hundreds ofhigh-mass star forming regions. Also, with full 3-dimensional spatialand velocity information, we will be able to construct an accuraterotation curve for the Milky Way and estimate the distance to theGalactic center and the circular rotation speed at the Sun to about 1%accuracy. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1329240600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120214T173000Z DTEND:20120214T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:132933420014d489eed6f43f495c4213d09e7236fe@sns.ias.edu DTSTART:20120215T193000Z DTEND:20120215T203000Z SUMMARY:Institute for Advanced Study Astrophysics Blackboard Talk, "Nothing, and the Quantum Creation of the Universe from Nothing" (Adam Brown, Princeton University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT:Dave Spiegel is the organizer. URL: END:VEVENT BEGIN:VEVENT UID:1329408000684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120216T160000Z DTEND:20120216T170000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "The Astronomical Multipurpose Software Environment and the Ecology of Star Clusters" (Simon Portegies Zwart, Leiden University) DESCRIPTION:ABSTRACT: Star cluster ecology is the field of research where stellar evolution, gravitational dynamics, hydrodynamcs and the background potential dynamics of the parent galaxy interact to a complex non-linear evolution of self gravitating stellar systems. I will review the processes related to the ecology of stellar clusters, discuss the numerical hurdles and the physical principles. In addition, I will introduce the AMUSE framework with which we are performing simulations of the ecology of stellar clusters. AMUSE is a general purpose framework for interconnecting existing scientific software with a homogeneous and unified interface. Since the framework is based on the standard message passing interface any production ready code that is written in a language that supports its native bindings can be incorporated, in addition our framework is intrinsically parallel and it conveniently separates the all the numerical solvers in memory. The strict separation also enables the possibility to realize unit conversion between the different modules and to recover from fatalities in a unified and structured way. The time spend in the framework is relatively small, and for production simulations we measured an overhead of at most 10\%, which in our case is acceptable. Due to the unified structure of the interface incorporating new modules which address the same physics is relatively straightforward. The time stepping between the codes can be simply consecutive or realized via a mixed variable symplectic method in which the Hamiltonian of the problem is solved in separate steps and combined via a Verlet-leapfrog integration scheme. In our experience with an implementation for multiphysics simulations in astrophysics we encounter relatively few problems with the strict separation in methods, and the results of our test simulations are consistent with earlier results that use a monolithic framework. LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:132941880010cef9ff9d0cf1073441307f43795e7f@sns.ias.edu DTSTART:20120216T190000Z DTEND:20120216T200000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar Demonstration, "AMUSE Demonstration" (Simon Portegies Zwart and Arjen van Elteren, Leiden University) DESCRIPTION: LOCATION:Bloomberg Hall, Astrophysics Library COMMENT:Simon Portegies Zwart will be giving the IAS Informal Seminar at 11 am the same day. URL:http://amusecode.org/ END:VEVENT BEGIN:VEVENT UID:1329759000961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120220T173000Z DTEND:20120220T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1329759000787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120220T173000Z DTEND:20120220T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:132976350013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20120220T184500Z DTEND:20120220T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group] (TBA) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The group's website Is: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://www.astro.princeton.edu/galread/ END:VEVENT BEGIN:VEVENT UID:132984000081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120221T160000Z DTEND:20120221T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "OGLE-IV - The Fourth Phase of the OGLE Survey" (Andzrej Udalski, Warsaw University Astronomical Observatory) DESCRIPTION:ABSTRACT: OGLE-IV, in operation since March 2010, is one of the largest sky surveys worldwide, regularly monitoring about one billion objects and collecting over 30 TB of raw data per year with the new generation 32-chip CCD mosaic camera. During the talk current status of the OGLE-IV project, latest results on microlensing exoplanet search, solar system object and variable sky studies as well as future plans will be presented. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1329845400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120221T173000Z DTEND:20120221T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1330012800684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120223T160000Z DTEND:20120223T170000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "TBA" (Enrico Pajer, Princeton University) DESCRIPTION: LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1330363800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120227T173000Z DTEND:20120227T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1330363800787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120227T173000Z DTEND:20120227T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133036830013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20120227T184500Z DTEND:20120227T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group], "Detection of Pristine Gas Two Billion Years After the Big Bang" (Michele Fumagalli, University of California, Santa Cruz) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The group's website Is: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://www.astro.princeton.edu/galread/ END:VEVENT BEGIN:VEVENT UID:133044480081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120228T160000Z DTEND:20120228T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "TBA" (Alicia Soderberg, Harvard-Smithsonian Center for Astrophysics) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1330450200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120228T173000Z DTEND:20120228T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1330617600684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120301T160000Z DTEND:20120301T170000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "The Climate and Atmospheric Circulation of Earth-like Exoplanets" (Tim Merlis, Princeton University) DESCRIPTION:ABSTRACT: I present the results of atmospheric general circulation modelling experiments for Earth-like planets in tidally locked configurations. The factors controlling the atmospheric circulation, which transports heat from the day side to the night side, are analyzed in light of basic scaling arguments and the mechanistic understanding that has been developed in the study of Earth's atmosphere. Inspired by habitability implications, I examine the simulated surface climate for a range of rotation periods and solar constants. LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1330968600961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120305T173000Z DTEND:20120305T183000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1330968600787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120305T173000Z DTEND:20120305T183000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133097310013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20120305T184500Z DTEND:20120305T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group] (TBA) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The group's website Is: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://www.astro.princeton.edu/galread/ END:VEVENT BEGIN:VEVENT UID:133104960081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120306T160000Z DTEND:20120306T170000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "TBA" (Elliot Quataert, University of California, Berkeley) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1331055000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120306T173000Z DTEND:20120306T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1331222400684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120308T160000Z DTEND:20120308T170000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "The Tractor: Using Forward Modeling to Measure objects in Atronomical Images" (Dustin Lang, Princeton University) DESCRIPTION:ABSTRACT: I will present some early results from 'the Tractor', a new approach for measuring astronomical sources in collections of images that David Hogg (NYU) and I have been developing. The idea to use generative (forward) modeling: we want to produce an astronomical source catalog that, along with image calibration information, allows us to predict the image pixels that were actually observed. If we have multiple images (in multiple bands, or from multiple instruments, say), we can optimize the source catalog to jointly best explain the observed images. Unlike traditional methods, we never have to co-add, degrade or reject any of the images, and by sampling we can capture the covariance in our measurements. LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1331569800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120312T163000Z DTEND:20120312T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1331569800787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120312T163000Z DTEND:20120312T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133157430013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20120312T174500Z DTEND:20120312T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group] (TBA) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The group's website Is: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://www.astro.princeton.edu/galread/ END:VEVENT BEGIN:VEVENT UID:133165080081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120313T150000Z DTEND:20120313T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "TBA" (Masataka Fukugita, Institute for the Physics and Mathematics of the Universe (IPMU)) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1331656200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120313T163000Z DTEND:20120313T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1331823600684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120315T150000Z DTEND:20120315T160000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Asymmetric Higgsino Dark Matter" (Kfir Blum, Institute for Advanced Study) DESCRIPTION:ABSTRACT: In the supersymmetric framework, a higgsino asymmetry exists in the universe before the electroweak phase transition. We investigate whether the higgsino is a viable asymmetric dark matter candidate. We find that this is indeed possible. The gauginos, squarks and sleptons must all be very heavy, such that the only electroweak-scale superpartners are the higgsinos. The temperature of the electroweak phase transition must be in the (1 − 10) GeV range. LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1332174600961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120319T163000Z DTEND:20120319T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion, http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1332174600787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120319T163000Z DTEND:20120319T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133217910013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20120319T174500Z DTEND:20120319T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group] (TBA) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The group's website Is: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://www.astro.princeton.edu/galread/ END:VEVENT BEGIN:VEVENT UID:133225560081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120320T150000Z DTEND:20120320T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "Hypervelocity Stars" (Warren Brown, Smithsonian Astrophysical Observatory) DESCRIPTION:ABSTRACT: A massive black hole sits in the heart of the Milky Way. One consequence of the black hole is that it ejects "hypervelocity stars" from the Milky Way at ~1000 km/s velocities. We discovered the first hypervelocity star in 2005, and since then our targeted survey has discovered 20 unbound stars and a comparable number of possibly bound hypervelocity stars. Recent results include a surprising anisotropic spatial distribution of hypervelocity stars, unbound disk runaways, and HST proper motion measurements that may allow us constrain the shape and orientation of the Galactic potential. LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1332261000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120320T163000Z DTEND:20120320T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1332428400684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120322T150000Z DTEND:20120322T160000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "The Electro-Weak Scale: Key to the Origin of Visible and Dark Matter?" (Stefano Profumo, University of California, Santa Cruz) DESCRIPTION:ABSTRACT: New physics at the electro-weak scale might unlock the mysteries of the generation of the (baryonic) matter-antimatter asymmetry and of the particle nature of dark matter. I will review recent progress on understanding baryogenesis at the electro-weak phase transition, and the multitude of experimental tests that this scenario offers, including collider, gravity waves and electric dipole moment searches. I will argue that this scenario is firmly falsifiable, with a time-line of only a few years. I will then discuss searches for weak-scale particle dark matter in astrophysical data, including an updated review of controversial signals in cosmic-ray and gamma-ray data. I will address the question of whether it is feasible to learn about New Physics "from the Sky", and outline theoretical and observational strategies for a roadmap towards the discovery of the nature of dark matter. LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1332779400961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120326T163000Z DTEND:20120326T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1332779400787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120326T163000Z DTEND:20120326T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133278390013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20120326T174500Z DTEND:20120326T184500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group] (TBA) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The group's website Is: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://www.astro.princeton.edu/galread/ END:VEVENT BEGIN:VEVENT UID:133286040081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120327T150000Z DTEND:20120327T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "TBA" (Adam Showman, University of Arizona) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1332865800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120327T163000Z DTEND:20120327T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1333033200684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120329T150000Z DTEND:20120329T160000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar (Raphael Flauger, Institute for Advanced Study) DESCRIPTION: LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1333384200961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120402T163000Z DTEND:20120402T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1333384200787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120402T163000Z DTEND:20120402T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133346520081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120403T150000Z DTEND:20120403T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "TBA" (Eiichiro Komatsu, University of Texas at Austin) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1333470600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120403T163000Z DTEND:20120403T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1333638000684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120405T150000Z DTEND:20120405T160000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Dynamical Tides in Kepler KOI-54 System and in Compact White Dwarf Binaries" (Dong Lai, Cornell University) DESCRIPTION: LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1333989000961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120409T163000Z DTEND:20120409T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1333989000787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120409T163000Z DTEND:20120409T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133407000081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120410T150000Z DTEND:20120410T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "TBA" (Roger Chevalier, University of Virginia) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1334075400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120410T163000Z DTEND:20120410T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1334242800684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120412T150000Z DTEND:20120412T160000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar, "Large-scale Structure with the Lyman-Alpha Forest from BOSS" (Jordi Miralda Escude, University of Barcelona) DESCRIPTION:ABSTRACT: The first results obtained from the Baryon acoustic Oscillation Spectroscopic Survey in SDSS-III on large-scale structure using the Lyman alpha forest will be discussed. Thanks to the unprecedentedly large numbers of quasar spectra being obtained by BOSS, absorption spectra are emerging as a powerful tool for the study of the large-scale distribution and cross-correlations of hydrogen, galaxies, QSOs, and metal absorbers in the universe. This promises to provide new clues for fundamental cosmology, the nature of quasars, the relation of galaxies to their environment, and the first metals that were released to the intergalactic medium. LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1334593800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120416T163000Z DTEND:20120416T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1334593800787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120416T163000Z DTEND:20120416T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133467480081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120417T150000Z DTEND:20120417T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "The Persistence of Methane Through Time on Saturn's Moon Titan" (Jonathan Lunine, Cornell University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1334680200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120417T163000Z DTEND:20120417T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1334847600684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120419T150000Z DTEND:20120419T160000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar (TBA) DESCRIPTION: LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1335198600961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120423T163000Z DTEND:20120423T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1335198600787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120423T163000Z DTEND:20120423T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133527960081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120424T150000Z DTEND:20120424T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "TBA" (Dimitar Sasselov, Harvard-Smithsonian Center for Astrophysics) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1335285000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120424T163000Z DTEND:20120424T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1335452400684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120426T150000Z DTEND:20120426T160000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar (TBA) DESCRIPTION: LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1335803400961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120430T163000Z DTEND:20120430T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1335803400787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120430T163000Z DTEND:20120430T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133588440081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120501T150000Z DTEND:20120501T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "The Connection between Lyman Alpha Emitters and Typical Present-day Galaxies" (Eric Gawiser, Rutgers, The State University of New Jersey) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1335889800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120501T163000Z DTEND:20120501T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1336057200684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120503T150000Z DTEND:20120503T160000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar (Helmut Hofer, Institute for Advanced Study, School of Mathematics) DESCRIPTION: LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1336408200961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120507T163000Z DTEND:20120507T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1336408200787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120507T163000Z DTEND:20120507T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133648920081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120508T150000Z DTEND:20120508T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "TBA" (Glennys Farrar, New York University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1336494600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120508T163000Z DTEND:20120508T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1336662000684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120510T150000Z DTEND:20120510T160000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar DESCRIPTION: LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1337013000961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120514T163000Z DTEND:20120514T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1337013000787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120514T163000Z DTEND:20120514T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133709400081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120515T150000Z DTEND:20120515T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "TBA" (Jim Stone, Princeton University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1337099400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120515T163000Z DTEND:20120515T173000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1337266800684bf21b95a3a206e1cab7a2be887a6d@sns.ias.edu DTSTART:20120517T150000Z DTEND:20120517T160000Z SUMMARY:Institute for Advanced Study Informal Astrophysics Seminar (Neal Dalal, University of Illinois at Urbana-Champaign) DESCRIPTION: LOCATION:Bloomberg Hall, Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/informal_seminars.shtml END:VEVENT BEGIN:VEVENT UID:1337617800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120521T163000Z DTEND:20120521T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1337617800787768801885f48ce090934598058157@sns.ias.edu DTSTART:20120521T163000Z DTEND:20120521T173000Z SUMMARY:Princeton University/Institute for Advanced Study Planet/Exoplanet Discussion Group, "Potluck Discussion of Exoplanet Papers" (Everyone Welcome) DESCRIPTION:The Monday Planet Lunch will be held weekly. Graduate students are particularly encouraged to attend. The format will be informal and inclusive, spanning at a minimum exoplanets, the solar system, and astrobiology. Moreover, we plan on discussing multiple topics each time we meet, and not to tether a lunch to one organized presentation each sitting. The purpose is to foster wide-ranging and cross-fertilizing interaction and to keep the local community up to date on developments across the spectrum of associated activities. Cullen Blake, Adam Burrows, and Dave Spiegel are the organizers. LOCATION:Princeton University, Peyton Hall, Room 140 COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133769880081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120522T150000Z DTEND:20120522T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "TBA" (Andrew MacFadyen, New York University) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1337704200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120522T163000Z DTEND:20120522T173000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:133830360081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120529T150000Z DTEND:20120529T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "TBA" (Dieter Breiteschwedt, Berlin Institute of Technology) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1338309000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120529T163000Z DTEND:20120529T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1338827400961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120604T163000Z DTEND:20120604T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:133890840081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120605T150000Z DTEND:20120605T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "TBA" (TBA) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1338913800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120605T163000Z DTEND:20120605T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1339432200961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120611T163000Z DTEND:20120611T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:133951320081afdab725a3bb7659cf05ccf9611017@sns.ias.edu DTSTART:20120612T150000Z DTEND:20120612T160000Z SUMMARY:Institute for Advanced Study Astrophysics Seminar, "TBA" (TBA) DESCRIPTION: LOCATION:Bloomberg Hall Astrophysics Library COMMENT: URL:http://www.sns.ias.edu/~seminar/colloquia.shtml END:VEVENT BEGIN:VEVENT UID:1339518600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120612T163000Z DTEND:20120612T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1340037000961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120618T163000Z DTEND:20120618T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion | Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at Princeton University. Attendees can bring their lunch. LOCATION:Princeton University, Peyton Hall, Dome Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1340641800961a55e760cbdeac644edb893ce12bb0@sns.ias.edu DTSTART:20120625T163000Z DTEND:20120625T173000Z SUMMARY:Princeton University/Institute for Advanced Study Early Universe/Cosmology Lunch Discussion, "General Discussion" (General Discussion) DESCRIPTION:Organizers are David Spergel, Princeton University, and Matias Zaldarriaga, Institute for Advanced Study. The lunch will be held at either Princeton University or the Institute for Advance Study. Check the calendar for the meeting location. This week's meeting is at the Institute for Advanced Study. Attendees can bring their own lunch or stop at the IAS Dining Hall. The West Seminar room is in a building which is a short walk from the main dining area. LOCATION:Institute for Advanced Study, West Building, West Seminar Room COMMENT: URL:http://mondaycosmo.pbworks.com/w/page/30421440/FrontPage END:VEVENT BEGIN:VEVENT UID:1346776200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120904T163000Z DTEND:20120904T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1347381000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120911T163000Z DTEND:20120911T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1347985800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120918T163000Z DTEND:20120918T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1348590600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20120925T163000Z DTEND:20120925T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1349195400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20121002T163000Z DTEND:20121002T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1349800200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20121009T163000Z DTEND:20121009T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1350405000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20121016T163000Z DTEND:20121016T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1351009800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20121023T163000Z DTEND:20121023T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1351614600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20121030T163000Z DTEND:20121030T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1352223000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20121106T173000Z DTEND:20121106T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1352827800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20121113T173000Z DTEND:20121113T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1353432600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20121120T173000Z DTEND:20121120T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1354037400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20121127T173000Z DTEND:20121127T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1354642200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20121204T173000Z DTEND:20121204T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:135473310013363a3419817900d973add8dad58abc@sns.ias.edu DTSTART:20121205T184500Z DTEND:20111205T194500Z SUMMARY:Princeton University/Institute for Advanced Study Galread [Galactic/Extragalactic Reading Group] (TBA) DESCRIPTION:Claire Lackner and Jenny Greene are the organizers. The group's website Is: http://www.astro.princeton.edu/galread/ . LOCATION:Princeton University, Peyton Hall, Grand Central Room COMMENT: URL:http://www.astro.princeton.edu/galread/ END:VEVENT BEGIN:VEVENT UID:1355247000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20121211T173000Z DTEND:20121211T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1355851800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20121218T173000Z DTEND:20121218T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1358271000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130115T173000Z DTEND:20130115T190000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1358875800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130122T173000Z DTEND:20130122T193000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1359480600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130129T173000Z DTEND:20130129T193000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1360085400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130205T173000Z DTEND:20130205T193000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1360690200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130212T173000Z DTEND:20130212T193000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1361295000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130219T173000Z DTEND:20130219T193000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1361899800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130226T173000Z DTEND:20130226T193000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1362504600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130305T173000Z DTEND:20130305T193000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1363105800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130312T163000Z DTEND:20130312T183000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1363710600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130319T163000Z DTEND:20130319T183000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1364315400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130326T163000Z DTEND:20130326T183000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1364920200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130402T163000Z DTEND:20130402T183000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1365525000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130409T163000Z DTEND:20130409T183000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1366129800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130416T163000Z DTEND:20130416T183000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1366734600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130423T163000Z DTEND:20130423T183000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1367339400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130430T163000Z DTEND:20130430T183000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1367944200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130507T163000Z DTEND:20130507T183000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1368549000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130514T163000Z DTEND:20130514T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dining Hall, Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1369758600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130528T163000Z DTEND:20130528T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1370363400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130604T163000Z DTEND:20130604T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1370968200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130611T163000Z DTEND:20130611T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1371573000dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130618T163000Z DTEND:20130618T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1378225800dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20130903T163000Z DTEND:20130903T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT 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DTSTART:20131008T163000Z DTEND:20131008T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1381854600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20131015T163000Z DTEND:20131015T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1382459400dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20131022T163000Z DTEND:20131022T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1383064200dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20131029T163000Z DTEND:20131029T180000Z SUMMARY:Institute for Advanced Study Bahcall Lunch DESCRIPTION: LOCATION:Dilworth Room COMMENT: URL: END:VEVENT BEGIN:VEVENT UID:1383672600dfddbecced582074d15268a8a795083f@sns.ias.edu DTSTART:20131105T173000Z DTEND:20131105T190000Z SUMMARY:Institute for 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