Colloquia Schedule Spring 2016
Colloquia are on Tuesdays (unless otherwise indicated) at 3:30 pm in RLM 15.216B
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"Spirals, Gaps, and Cavities: Signposts of Planets in Protoplanetary Disks?" LBNL/Berkeley host: Adam Kraus |
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"The Key Influence of AGB Stars on the Evolution and Global Properties of Galaxies" NASA Goddard host: Kristen McQuinn |
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"CAMPARE and Cal-Bridge: Two Synergistic Programs Forming a Successful New Model for Promoting Participation of Women and Underrepresented Minority Students in Astronomy" California State Polytechnic University, Pomona host: William Cochran |
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"Exoplanet Atmospheres in High Resolution" Harvard-Smithsonian Center for Astrophysics host: Daniel Jaffe |
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"The Dynamical Evolution of Young Stellar Complexes in the Milky Way" McMaster University, Hamilton, ON host: Natalie Gosnell |
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"The Evolution of Galaxy Structural Properties" Rutgers University, Downsbrough Chair in Astrophysics host: Shardha Jogee |
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"A PHAT New Measurement of the High-Mass Stellar IMF" UC Berkeley/University of Washington host: Michael Boylan-Kolchin |
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"The Role of Dwarf-Dwarf Galaxy Interactions in Galaxy Assembly" NRAO/University of Virginia host: Kristen McQuinn |
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No colloquium scheduled. (Spring Break) |
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"Exploring the z~2.3 Cosmic Web with 3D Lyman-Alpha Forest Tomography" UC Berkeley/LBNL host: Caitlin Casey |
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"Understanding Galaxy Evolution with Massive Starburst Galaxies" We are constantly intrigued by how dramatically galaxies evolve when we probe closer to the cosmic dawn. Ten billion years ago, galaxies were forming stars ten times more fiercely than they do today. This phenomenon can be understood in the framework of cold dark matter simulations only if star formation is suppressed in massive dark matter halos. However, the physical mechanisms responsible for the suppression are unclear. Starburst galaxies in massive halos offer a unique laboratory to constrain the suppression processes, because, unlike most galaxies, such processes have apparently failed to operate in these starbursts. Thanks to the Herschel Space Telescope and the South Pole Telescope, for the first time we have identified a rare sample of gravitationally lensed or hyperluminous starbursts at the peak epoch of cosmic star formation. I will show how high-resolution multi-phase observations have helped us gain a comprehensive understanding of these unusual galaxies. I will also describe an ongoing project aimed at constraining the halo-scale gas supply of such massive starbursts. By contrasting with normal galaxies, the results of these studies will be fundamental to a physical understanding of galaxy evolution. University of Iowa host: Caitlin Casey |
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"Implications from the Detection of the Binary Black Hole Inspiral GW150914" University of Texas Rio Grande Valley host: J. Craig Wheeler |
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Stellar Seminar talk Date/Time: Wed., 12 Noon: "Title: TBA" David Yong (Stellar Tinsley Scholar) Mt. Stromlo Observatory, Australia host: Fritz Benedict |
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"The Calm Before the Storm: Exploring the Post Accretionary Doldrums Prior to the Late Heavy Bombardment" William F. Bottke (Planetary Tinsley Scholar) Southwest Research Instutite, Boulder, Colorado host: Mike Endl/Judit Ries |
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"Disk Galaxy Assembly Across Cosmic Time: Combining Magnitude-limited Survey with Gravitational Lensing" Tiantian Yuan (Exgal Tinsley Scholar) Australia National University host: Chao-Ling Hung |
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"The Discovery and Characterization of the Y Dwarfs" University of Toledo host: Brendan Bowler |
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"What can Binaries tell us about Planet Formation?" Kaitlin M. Kratter (ISM Tinsley Scholar) Steward Observatory, University of Arizona host: Adam Kraus |
Visitors to the Department of Astronomy can find detailed information and maps on our Visiting Austin Page.
Please report omissions/corrections to: G. Orris at argus@astro.as.utexas.edu.
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15 April 2016
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