From Clusters to Proto-Clusters: The Infrared Perspective on Environmental Galaxy Evolution

Stacey Alberts, Allison Noble

Research output: Contribution to journalReview articlepeer-review

Abstract

Environment is one of the primary drivers of galaxy evolution; via multiple mechanisms, it can control the critical process of transforming galaxies from star forming to quiescent, commonly termed “quenching”. Despite its importance, however, we still do not have a clear view of how environmentally-driven quenching proceeds even in the most extreme environments: galaxy clusters and their progenitor proto-clusters. Recent advances in infrared capabilities have enabled transformative progress not only in the identification of these structures but in detailed analyses of quiescence, obscured star formation, and molecular gas in (proto-)cluster galaxies across cosmic time. In this review, we will discuss the current state of the literature regarding the quenching of galaxies in (proto-)clusters from the observational, infrared perspective. Our improved understanding of environmental galaxy evolution comes from unique observables across the distinct regimes of the near-, mid-, and far-infrared, crucial in the push to high redshift where massive galaxy growth is dominated by highly extinct, infrared-bright galaxies.

Original languageEnglish (US)
Article number554
JournalUniverse
Volume8
Issue number11
DOIs
StatePublished - Nov 2022
Externally publishedYes

Keywords

  • environment
  • galaxy clusters
  • galaxy evolution
  • galaxy quenching
  • high redshift
  • infrared
  • molecular gas
  • proto-clusters
  • star formation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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