Colloquia Schedule Fall 2015
Colloquia are on Tuesdays (unless otherwise indicated) at 3:30 pm in RLM 15.216B
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No Colloquium scheduled. |
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"Convection in Cool Stars, as Revealed through Stellar Brightness Variations" Pennsylvania State University host: Adam Kraus or Bill Cochran |
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"Compact Objects in Globular Clusters" Texas Tech host: Karl Gebhardt |
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"Convection in Low-Mass Stellar Evolution, or 'What about magnetic fields?' " University of Uppsala, Sweden host: Andrew Mann |
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"Tracing the Cosmic Shutdown of Star Formation in Massive Galaxies" Hubble Fellow, UMass Amherst host: Steve Finkelstein |
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"The Assembly of Disk Galaxies" Space Telescope Science Institute host: Rachael Livermore |
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"Are we Correctly Measuring Star Formation Rates?" University of Texas at Austin host: Adam Kraus |
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No Colloquium Scheduled, to avoid conflict with: Speaker: Dr. Frank N. Bash and invited speakers "New Horizons in Astronomy" |
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Tinsley Scholar: Interstellar Group (visiting: Oct 25-31) "The Impact of Stellar Feedback on Molecular Clouds" Affiliation: University of Massachusetts, Amherst host: Neal Evans |
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Tinsley Scholar: Theory Group (visiting: late Oct - early Nov) "Disk Dynamos: Understanding the Origin of Galacic Magnetic Fields" Johns Hopkins University host: TBD |
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"From TripleSpec to NEWS: Exoplanet Discovery Science with Bread and Butter Infrared Spectroscopy" Infrared spectroscopy enables enormously broad scientific goals: from planetary to exoplanetary to extragalactic science. I will discuss recent low-mass star and exoplanet investigations enabled by the TripleSpec spectrograph at Palomar Observatory. The combination of high-precision Kepler observations and precise stellar parameters from TripleSpec led to the discovery of the smallest known exoplanets at the time, and the discovery that compact multiple exoplanetary systems are common around late-type stars. The results have implications for future discoveries with NASA's upcoming TESS Mission and for the prospects of planets orbiting brown dwarfs. Finally, I will discuss a new instrument currently being designed at Boston University: the Near-infrared Echelle for Wide-bandwidth Spectroscopy, or NEWS. NEWS is designed using the same philosophy at TripleSpec - compact, high-throughput and mass-producible - but with an order of magnitude increase in spectral resolution. Boston University host: Adam Kraus |
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"New Insights on Galaxy Formation from Comparisons of Simulated and Observed Galaxies" UC Santa Cruz host: Paul Shapiro |
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No colloquium scheduled. |
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DeVaucouleurs Medalist "Expansion of the Universe Seen by Hubble" Johns-Hopkins University, and Space Telescope Science Institute, and DeVaucouleurs Medalist host: Shardha Jogee, Chair |
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"Supernovae and their Progenitor Systems (or lack thereof)" Space Telescope Science Institute host: Jeff Silverman |
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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23 November 2015
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