Studying Galaxy Populations in High-Redshift Clusters in the Euclid, JWST and TMT Era

Adam Muzzin (York University) // July 16, 2018

Abstract: Understanding the complex role that environment plays in the evolution of galaxies has long been an outstanding problem in the field of galaxy formation. While studies of the low-redshift universe have given us a basic picture of how environment affects galaxies, significant details on the astrophysics of these processes are lacking. One of the major challenges is that most of the “action” in galaxy formation occurs at 1 < z < 3, yet the best data are at z = 0 and are therefore limited to observing the “aftermath” of this action. Over the last decade several deep surveys of z = 1 clusters have been done, and a basic picture linking how environment affects galaxies at both high and low redshift is emerging. I will discuss some of these recent results and will highlight how the upcoming Euclid, JWST, and TMT observatories will provide transformational data toward completing our understanding of the astrophysics of how environment affects galaxy formation within the next decade.

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