Colloquia Schedule Spring 2012
Colloquia are on Tuesdays (unless otherwise indicated) at 3:30 pm in RLM 15.216B
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"Searching for Clues to the Black Hole-Galaxy Relationship Through Nearby AGN Surveys" University of Colorado at Boulder host: Shardha Jogee |
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Tinsley Visiting Scholar (Stars Group) "Heavy Element Nucleosynthesis in the Brightest Asymptotic Giant Branch Stars" Mt. Stromlo Observatory, Canberra, Australia host: Harriet Dinerstein |
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"Probing the Cosmic History of Star Formation in Galaxies with the Herschel Space Observatory and CCAT" University of Colorado at Boulder host: Shardha Jogee |
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"New Observational Insights into Cosmic Reionization" University of Cambridge, Kavli Institute for Cosmology, UK host: Milos Milosavljevic |
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"Early Star Forming Galaxies and Reionization" Steward Observatory, Arizona hosts: Sally Dodson-Robinson & Shardha Jogee |
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"Fueling Cosmic Star Formation: The Molecular Gas Mass Density of the Universe" California Institute of Technology hosts: Shardha Jogee & Milos Milosavljevic |
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"Direct Imaging of Exoplanets: Prospects for Comparative Exoplanetology" Max-Planck Institute for Astronomy, Heidelberg, Germany host: Anita Cochran |
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"Understanding Galaxy Evolution in the Early Universe" University of Texas at Austin host: Shardha Jogee |
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"Giant Planets Caught at Formation" University of Hawaii, Institute for Astronomy host: Chris Sneden |
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"The Dark Art of Detecting and Characterizing Planets by Direct Imaging" NASA, Goddard Space Flight Center host: Chris Sneden |
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"Molecular spectroscopy of planet-forming regions: A quest to understand the diversity of planets and planetary systems" National Optical Astronomy Observatory (NOAO) host: Sally Dodson-Robinson |
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Spring Break: 12 - 16 March. No Colloquium scheduled. |
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No talk scheduled. |
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"Dark Matter Properties from the Faintest Galaxies" Stanford University / Kavli Institute for Particle Astrophysics and Cosmology host: Karl Gebhardt |
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Antoinette de Vaucouleurs Medalist and Lecturer "The Carnegie Supernova and Hubble Constant Projects" Director, Observatories of the Carnegie Institution for Science host: Dan Jaffe |
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Antoinette de Vaucouleurs Medalist and Lecturer (visiting: 4/2-4/8) Public Talk: "A Journey of Discovery: Our Expanding Universe" Director, Observatories of the Carnegie Institution for Science host: Dan Jaffe |
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"The ABCs of Low-Mass Stars" M and (early-type) L dwarfs are the smallest, coolest and least massive stars in the Galaxy. Yet despite their diminutive physical properties, low-mass stars make up ~70% of all of the stars in the Milky Way and have main sequence lifetimes that exceed trillions of years. Their dominance in the Galaxy make M dwarfs excellent tracers of both the structure and evolution of the local Milky Way. In addition, low-mass dwarfs have intense stellar flares and strong magnetic fields that allow us to probe their interiors and may have important consequences for the habitability of planets that orbit them. I will present results from the largest samples of low-mass stars ever assembled. The advent of large surveys such as the Sloan Digital Sky Survey (SDSS) has yielded photometric and spectroscopic catalogs of more than 100 million and 70,000 stars respectively. Specifically, I will highlight work that has used the unprecedented statistical power of the SDSS to examine the structure and kinematics of low-mass dwarfs in the Milky Way, as well as the nature of their magnetic fields (and subsequent activity) and what this may tell us about the ages of stars. In addition, I will share some resent results from a survey that cataloged some of the widest binaries in the Milky Way and demonstrate how a large sample of M dwarfs has helped us map the three-dimensional distribution of dust in the local Galaxy. Boston University host: TBD |
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"The History of Massive Galaxy Formation as a Cosmological Tool" University of Nottingham, UK host: Shardha Jogee |
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"Black Holes and Neutron Stars in the Local Universe" University of Warsaw and University of Texas, Brownsville host: Milos Milosavljevic |
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Tinsley Visiting Professor (visiting: 4/23-5/17) "The First Billion Years of our Universe" Scuola Normale Superiore, Pisa, Italy host: Volker Bromm |
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Texas Cosmology Center Distinguished Visitor "Constraining Cosmology through the Growth of Structure: New Results from the South Pole Telescope" University of Chicago host: Eiichiro Komatsu |
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PhD Defense Presentation "Dark Matter Halos and Stellar Kinematics of Elliptical Galaxies" University of Texas at Austin |
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PhD Defense Presentation "An Experiment in Integrated, Guided-Inquiry Science Classes and Implications for Teaching Astronomy" University of Texas at Austin |
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PhD Defense Presentation "Tests of the Episodic Mass Accretion Model for Low-Mass Star Formation" University of Texas at Austin |
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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