Building Up a Cluster: The Case of A520

B. Deshev, Chae G. Park, H. Hwang, Bodo Ziegler, Miguel Anibal Verdugo Olivares

Publications: Contribution to bookContribution to proceedings

Abstract

We present the first, preliminary results from our ongoing survey of galaxies residing in Abell 520 (z=0.2), a cluster in the process of formation at the crossing of three large-scale structure filaments. We use spectroscopy for 682 galaxies, 317 of which reside within the cluster, to search for signs of transformation in the galaxies in this extreme environment. We apply classical definitions of local and global environment to find that both contribute to the quenching of star-formation as measured by the fraction of galaxies with emission lines.
Original languageEnglish
Title of host publicationMulti-Object Spectroscopy in the Next Decade: Big Questions, Large Surveys, and Wide Fields
Subtitle of host publicationProceedings of a conference held at Teatro Circo de Marte, Santa Cruz de La Palma
EditorsIan Skillen, Marc Barcells, Scott Trager
Place of PublicationSan Francisco
PublisherAstronomical Society of the Pacific
Pages237
Volume507
Publication statusPublished - Oct 2016
EventMulti-Object Spectroscopy in the Next Decade: Big Questions, Large Surveys, and Wide Fields - Teatro Circo de Marte, Santa Cruz de La Palma, Spain
Duration: 2 Mar 20156 Mar 2015

Publication series

SeriesAstronomical Society of the Pacific Conference Series

Conference

ConferenceMulti-Object Spectroscopy in the Next Decade: Big Questions, Large Surveys, and Wide Fields
Country/TerritorySpain
CitySanta Cruz de La Palma
Period2/03/156/03/15

Austrian Fields of Science 2012

  • 103003 Astronomy
  • 103004 Astrophysics

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