Colloquia Schedule Spring 2011
Colloquia are on Tuesdays (unless otherwise indicated) at 3:30 pm in RLM 15.216B
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Dust in the Early Universe INAF/Osservatorio Astronomico di Roma host: Volker Bromm |
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Magnetic Relaxation in ICM Bubbles and the Magnetic Flux Problem in Star Formation University of Bonn (TCC Tinsley Scholar) host: Craig Wheeler |
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Reading the Record of Ancient Impacts California Institute of Technology host: Pawan Kumar |
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Star Formation in Galaxy Clusters Over the Past 10 Billion Years Texas A&M University and University of Zurich host: Neal Evans |
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McDonald Observatory Board of Visitors Meeting (Austin) |
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19th Annual Great Lecture in Astronomy Exploring Newly Discovered Worlds with the Giant Magellan Telescope University of Texas at Austin |
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Is Inhomogeneity Important in Cosmology? University of Cape Town host: Tanja Rindler-Daller |
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Exploration of the Circum-Galactic Medium at High Redshifts California Institute of Technology (Tinsley Visiting Professor) host: Karl Gebhardt |
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Clarifying our View of Star Formation in Extreme Environments with Adaptive Optics California Institute of Technology host: Jenny Greene |
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DeVaucouleurs Medalist Chemical Abundances in the Oldest Galactic Stars: Globular Clusters vs. the Halo Field UCOLICK host: Chris Sneden |
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DEEP2 and Beyond: Studying Galaxy Evolution and Large-Scale Structure with Deep Surveys University of Pittsburgh (TCC Visiting Speaker) host: Eiichiro Komatsu |
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Spring Break: 14-18 March: No talk scheduled |
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Diverse Energy Sources for Supernovae 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 will
speak about two such new supernovae. The first are ultraluminous core
collapse supernovae with radiated energies approaching 10^51 ergs. I
will present our recent work that explains these events with late-time
energy deposition from rapidly rotating, highly magnetized neutron
stars: 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. UCSB/Kavli Institute for Theoretical Physics (Tinsley Visiting Professor) host: Donald Winget |
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Exploding Stars! UCSB/Kavli Institute for Theoretical Physics (Tinsley Visiting Professor) host: Donald Winget |
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Recent Advances in our Understanding of Enigmatic Gamma-ray Bursts University of Texas at Austin host: TBD |
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Physical Properties of Kepler's Small Exoplanets Harvard-Smithsonian Center for Astrophysics host: Jenny Greene |
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The Physical Properties of Lyman-alpha Emitters from z=2 to 3 Pennsylvania State University host: Karl Gebhardt |
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Thermal Tides: An Explanation for the Inflated Radii of the Hot Jupiters Institute for Advanced Study, Princeton host: Jenny Greene |
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Magnetic Reconnection and the Evolution of Large Scale Magnetic Fields McMaster University, Ontario, Canada host: Craig Wheeler |
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Title: TBA Affiliation: TBD host: TBD |
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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