Astronomy 386S - Fall 2013
Seminar in Extragalactic Astronomy
Th 3:30 · RLM 15.216B · 48635
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Date
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Speaker
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Title
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Aug 29
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No meeting scheduled. Organizational meeting postponed to two weeks (12 September).
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Sep 5
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Rachael Livermore
University of Texas at Austin
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"Galaxies Under the Cosmic Microscope"
abstract
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Sep 12
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No talk scheduled.
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Sep 19
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Neal Evans
University of Texas at Austin
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"Highlights of the Ringberg Meeting on Regulation of Star Formation in Molecular Gas:
From Galactic to sub-Cloud Scales"
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Sep 26
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Niv Drory
University of Texas at Austin
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"The fourth-generation Sloan Digital Sky Survey 2014-2020: An overview and status report on SDSS-IV"
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Oct 3
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Eva Noyola
University of Texas at Austin
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"Central Density Profiles for Concentrated Galactic Globular Clusters"
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Oct 3
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John Jardel
University of Texas at Austin
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"Variations in a Universal Density Profile for Dwarf Spheroidals"
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Oct 10
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Rachel Bezanson
University of Arizona
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"Tight Correlations between Massive Galaxy Structural Properties and Dynamics: The Mass Fundamental Plane was in Place by z ~ 2" (host: Shardha Jogee)
abstract
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Oct 17
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Jason Jaacks
University of Texas at Austin
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"Tracking Galaxies Through Cosmic Time Using Number Density Selection"
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Oct 17
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Matthew Stevans
University of Texas at Austin
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"Ultraviolet Continua of AGNs"
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Oct 24
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Timothy Weinzirl
University of Texas at Austin
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"Structure and Assembly of Massive Galaxies in the Center of the Coma Cluster"
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Oct 24
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Yi-Kuan Chiang
University of Texas at Austin
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"A Large Sample of Candidate Galaxy Proto-clusters in the COSMOS/UltraVISTA Field"
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Oct 31
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Mimi Song
University of Texas at Austin
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"Galaxy Stellar Mass Function at z = 6 & 7"
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Oct 31
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Taylor Chonis
University of Texas at Austin
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"Probing Lyman-alpha Emitting Galaxies through their Resolved Lyman-alpha Emission"
abstract
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Nov 7
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Girish Kulkarni
MPIA, Heidelberg, Germany
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"Direct Constraints on Population III Star Formation from Chemical Properties of DLAs" (host: Volker Bromm)
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Nov 14
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Greg Shields & Sarah Salviander
University of Texas at Austin
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"The Black Hole Mass - Galaxy Luminosity Relationship for SDSS Quasars"
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Nov 21
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Ryan Trainor
California Institute of Technology
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"Probing the Brightest QSOs though the Spatial Distribution of Galaxies and (Fluorescent) Lya Emitters" (host: Karl Gebhardt)
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Nov 28
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Thanksgiving Day: Staff Holiday. University Closed: No seminars or classes scheduled today.
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Dec 5
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Peter Behroozi
STScI
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"What Can Galaxy Evolution Tell Us About Short Gamma-Ray Bursts?" (host: Shardha Jogee)
abstract
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Dec 12
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Joss Bland-Hawthorn
University of Sydney, Department of Physics
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"A Front-row Seat on the Daily Life of a Supermassive Black Hole" (host: Gary Hill)
Sgr A* is a hundred times closer than any other supermassive black hole. It is surrounded by a highly unstable gas disk so why is the accretion disk so peaceful at the present time? This mystery has led to a flurry of models in order to explain why Sgr A* is radiating far below (1 part in 10^8) the Eddington accretion limit. But has this always been so? Evidence is gathering that Sgr A* has been far more active in the recent past, on timescales of thousands of years and longer. The bipolar wind discovered by MSX, the gamma-ray bubbles discovered by Fermi-LAT, the WMAP haze, the positronium flash confirmed by INTEGRAL, inter alia, are suggestive of something truly spectacular in the recent past. We present exciting new evidence that the Galactic Centre was a full-blown Seyfert just two million years ago. The echo of this incredible event can be seen today imprinted along the Magellanic Stream.
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