Colloquia Schedule Fall 2011
Colloquia are on Tuesdays (unless otherwise indicated) at 3:30 pm in RLM 15.216B
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Not your Parents' M Dwarfs: Probing the Milky Way with its Smallest Constituents (Cancelled due to Hurricane Irene: to be rescheduled) Boston University host: Colette Salyk |
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Maxwell, Einstein, and Their Impossibilities Center for Nonlinear Dynamics & Dept. of Physics, University of Texas at Austin hosts: Paul Shapiro & Tanja Rindler-Daller |
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Dark Matter, Dwarf Galaxies, and Massive Failures in the Halo of the Milky Way University of California, Irvine host: TBD |
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Black Hole Scaling Relations University of Michigan host: Karl Gebhardt |
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The Quest for the Dynamical Signature of Close Supermassive Binary Black Holes Supermassive binary black holes (masses of order 1 million to 1
billion solar masses and separations less than 1 pc) are predicted to
be an inevitable late stage in the evolution of galaxy mergers. Such
binaries have also been invoked as explanations of the formation of
the cores of elliptical galaxies following a merger and the mass
deficits therein, the apparent precession of radio jets, and the
formation of X-shaped radio sources and they are predicted to be prime
sources of gravitational waves. Yet, they remain elusive. After a
historical introduction, I will describe a systematic search for such
objects using the SDSS spectroscopic database and the followup
observations of the initial candidates. I will present the first
results from this search and discuss critical tests of the methodology
as well as plans for future work. Pennsylvania State University host: Julie Comerford |
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What is a Galaxy? Haverford College host: TBD |
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No talk scheduled, to avoid conflict with Frank N. Bash Symposium |
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Status update on the James Webb Space Telescope project NASA Goddard Space Flight Center host: TBD |
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GAMA: from Little Blue Fuzzies to Massive Red Monsters and Beyond Swinburne University host: Karl Gebhardt |
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Casting Shadows on the Standard Interstellar Medium Paradigm with GALFA-HI Columbia University host: Sarah Tuttle |
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Beatrice M. Tinsley Visiting Scholar The Origins of Planetary Systems - Constraints from Protoplanetary Disks University of Arizona host: John Lacy |
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No talk scheduled. |
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No talk scheduled. |
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Stellar Forensics with Explosions: Supernovae, Gamma-Ray Bursts, and their Environments New York University, Center for Cosmology and Particle Physics host: Sarah Tuttle |
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HETDEX Special Colloquium Astrophotonics and Space Photonics: A New Era of Instrumentation University of Sydney, School of Physics host: Sarah Tuttle |
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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