Cluster galaxies 10 billion years ago

V. Strazzullo, E. Daddi, RAPHAEL ALEXANDRE SIMON GOBAT , M. Onodera

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Cl J1449+0856 is a spectroscopically confirmed galaxy cluster at z ∼ 2. The detection of a faint, extended X-ray emission, suggestive of an already evolved, partially relaxed structure, puts this system among the most distant established clusters rather than in the realm of zâ‰32 proto-clusters. This gives us a chance of studying galaxies in an evolved overdense environment very close to their formation epoch, and in particular to trace the evolution of early-type galaxies in clusters back to ten billion years ago.

Original languageEnglish
Title of host publicationThe Intriguing Life of Massive Galaxies
EditorsDaniel Thomas, Anna Pasquali, Ignacio Ferreras
Number of pages1
EditionS295
DOIs
StatePublished - 1 Aug 2012

Publication series

NameProceedings of the International Astronomical Union
NumberS295
Volume8
ISSN (Print)1743-9213
ISSN (Electronic)1743-9221

Keywords

  • Galaxies: clusters
  • Galaxies: evolution
  • Galaxies: high-redshift

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