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Jan 21
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Steven Finkelstein
University of Texas at Austin
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Organizational Meeting.
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Jan 28 |
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No talk scheduled.
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Feb 4 |
Steven Finkelstein
University of Texas at Austin |
"Review Article: Observational Searches for Galaxies at z > 6"
abstract
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Feb 11 |
Sarah Wellons
Harvard Center for Astrophysics (host: Michael Boylan-Kolchin) |
"Identifying the Progenitors and Descendants of Compact Elliptical Galaxies with Cosmological Simulations"
abstract
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Feb 18 |
Rachel Livermore
University of Texas at Austin |
"Directly Observing Dwarf Galaxy Progenitors at z > 6 (or: Gravitational Lensing is Magic)"
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Feb 25 |
Kristen McQuinn
University of Texas at Austin |
"Galaxy Evolution at the Faint-end of the Luminosity Function"
abstract
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Mar 03 |
Intae Jung
University of Texas at Austin |
"Evidence for the Supression of Star-Formation in the Centers of Massive Galaxies at z = 4"
abstract
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Mar 10 |
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No talk scheduled.
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Mar 17 |
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No talk scheduled: Spring Break.
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Mar 24 |
Chao-Ling Hung
University of Texas at Austin |
"Connecting Dusty Starburst Galaxies and Proto Galaxy Clusters - A Case Study at z = 2.1"
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Mar 31 |
Jonathan Florez
University of Texas at Austin |
"Measuring the Properties of Void Galaxies in the ECO Survey using RESOLVE"
We measure the environmental dependence of multiple galaxy properties inside the Environmental COntext (ECO) survey by focusing primarily on void galaxies and galaxies in low-density regions for this project. We define our void sample to be the 10% of galaxies having the lowest local density, where density is determined using the Nth nearest neighbor method. We examine the baryonic mass, color, fractional stellar mass growth rate (FSMGR), fractional gas mass determined from a photometric gas fraction relation calibrated with the RESOLVE survey, and morphology distributions of the void galaxy population and compare them to those of galaxies with higher local densities. First, I will show that our void galaxies typically have lower baryonic masses than galaxies in denser environments, and they display the properties expected of a lower mass population: they have more late-types, are bluer, have higher FSMGR, and are more gas rich. Since color, star-formation, gas content, and morphology all correlate with baryonic mass, we therefore move on to control for baryonic mass and investigate the extent to which void galaxies are different at fixed mass. I will then show that our void galaxies are indeed bluer, more gas-rich, and more star forming at fixed mass than non-void galaxies. I will also show that voids host a unique population of early-types that are bluer and more star-forming than the typical red and quenched early-types. In addition to observational results, I will also present theoretical results from mock catalogs constructed to test assembly bias in galaxies and show that we recover the observed trends when we match some of the observed properties to halo mass and age.
close
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Apr 7 |
Caitlin Casey
University of Texas at Austin |
Title: TBA
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Apr 14 |
Neal Evans
University of Texas at Austin |
Title: TBA
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Apr 21 |
Sinclaire Manning
University of Texas at Austin |
Title: TBA
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Sydney Sherman
University of Texas at Austin |
Title: TBA
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Apr 28 |
Enrique Lopez-Rodriguez
University of Texas at Austin |
"Dusty Winds in Active Galactic Nuclei: An Infrared Polarimetric Approach"
abstract
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Lindsay Fuller
University of Texas, San Antonio |
"Investigating the Dusty Torus of Active Galactic Nuclei Using SOFIA/FORCAST Photometry"
abstract
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May 5 |
Rebecca Tippens (2nd Year Defense)
University of Texas at Austin |
Title: TBA
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