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 Less than two decades ago, mankind knew about only one planetary
system: our own. Since the discovery of the first extrasolar planets in
1995, a furious effort by the astronomical community has led to the
discovery of hundreds of extrasolar planets. Many of these systems
look very different from our solar system, having massive planets
close to the parent stars while ours are far from the Sun, and/or
planets in highly eccentric orbits, where most orbits in the Solar
System are quite circular. The high contrast between the brightness
of the parent stars and the faintness of the planets makes it very
hard to obtain concrete information about the planets themselves: How
and when do they form? How massive and how dense are they? How hot
are they? Do they have atmospheres and what are these atmospheres
made of? A new generation of large ground-based telescopes, including
the Giant Magellan Telescope, in which UT Austin and Texas A&M are
partners, will afford us the first direct measurements that can address
all of these questions for exoplanets approaching the size and mass of
planets like the Earth but residing in star systems many light years
away. GMT in particular, with its superb high-contrast imaging and
its Innovative capabilities for infrared spectroscopy, will be able
to move us from an era of detection to one of real exploration.
I will discuss the exciting future of extrasolar-planet studies
and how it builds on the solid foundation of the current exoplanet
research that forms an important part of the current program in
Texas. 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 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.