The ESO Distant Cluster Sample: galaxy evolution and environment out to z=1
Bianca M. Poggianti, Alfonso Aragon-Salamanca, Steven Bamford, Fabio, Barazza, Philip Best, Douglas Clowe, Julianne Dalcanton, Gabriella De Lucia,, Vandana Desai, Rose Finn, Claire Halliday, Pascale Jablonka, Olivia Johnson,, Bo Milvang-Jensen, John Moustakas, Stefan Noll
TL;DR
This study uses the ESO Distant Cluster Survey to investigate galaxy evolution and environmental effects on star formation, galaxy structure, and starburst activity in clusters, groups, and the field from redshift 0.4 to 1.
Contribution
It provides new insights into how galaxy properties and star formation activity vary with environment and cosmic time up to z=1.
Findings
Star formation activity varies with environment and redshift.
Galaxy structures show evolution linked to star formation changes.
Starburst and post-starburst galaxies are significant in different environments.
Abstract
The ESO Distant Cluster Survey (EDisCS, P.I. Simon D.M. White, LP 166.A-0162) is an ESO large programme aimed at studying clusters and cluster galaxies at z=0.4-1. How different is the evolution of the star formation activity in clusters, in groups and in the field? Does it depend on cluster mass and/or the local galaxy density? How relevant are starburst and post-starburst galaxies in the different environments? Is there an evolution in the galaxies' structures, and if so, is this related to the changes in their star formation activity? These are some of the main questions that have been investigated using the EDisCS dataset.
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Taxonomy
TopicsGalaxies: Formation, Evolution, Phenomena · Astronomy and Astrophysical Research