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Astrophysics Seminars From 2019 - 2020

Contents


Fall 2019


November 13, 2019

 "Decoding Galaxy Formation Physics with the UniverseMachine"

Peter Behroozi
Assistant Professor, Department of Astronomy
University of Arizona

 I discuss new methods that allow computers to recover the underlying physics of galaxy formation using only galaxy observations and dark matter simulations, and show how these methods have already changed our understanding of galaxy formation physics (including why galaxies stop forming stars). Basic extensions to the same techniques allow constraining internal galaxy processes, including coevolution between galaxies and supermassive black holes as well as time delays for supernova / GRB progenitors. Finally, I discuss how these methods will benefit from the enormous amount of upcoming data in widefield (HETDEX, LSST, Euclid, WFIRST) and targeted (JWST, GMT) observations, as well as ways they can benefit observers, including making predictions for future telescopes (especially JWST) and testing which of many possible targeted observations would best constrain galaxy formation physics.



December 4, 2019

Simeon Bird
Professor, Department of Physics and Astronomy
UC Riverside



December 11, 2019

K. Decker French
Hubble Fellow
Carnegie Observatories