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ASTRONOMY COLLOQUIUM<br>Better Living Through Computation: Exploring the First Generations of Galaxies with Large-Scale Simulations

Thursday, April 16, 2015
12:00 AM
411 West Hall

Galaxies are complicated beasts - many physical processes operate simultaneously, and over a huge range of scales in space and time.  As a result, accurately modeling the formation and evolution of galaxies over the lifetime of the universe presents tremendous technical challenges.  In this talk I will discuss these challenges and their solutions, and will also present results from the Renaissance Simulations - a suite of physics-rich simulations of high redshift galaxy formation done on the Blue Waters supercomputer.  These calculations, which include radiation transport and a wide variety of other physical effects, resolve virtually every halo that may possibly form stars and make a variety of predictions about the transition to metal-enriched star formation, the bulk properties of high-redshift galaxies, and the high-redshift luminosity function.

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