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The Relation Between Galactic Properties and Cluster Structure

Published online by Cambridge University Press:  23 September 2016

Bianca M. Poggianti ,
Terry J. Bridges ,
M. Yagi ,
N. Kashikawa ,
Y. Komiyama ,
S. Okamura ,
Dave Carter  and
Bahram Mobasher
Bianca M. Poggianti
Affiliation:
Osservatorio Astronomico di Padova-INAF, Vicolo dell'Osservatorio 5, 35122 Padua, Italy
Terry J. Bridges
Affiliation:
Anglo-Australian Observatory, P.O. Box 296, Epping, NSW, 2121, Australia
M. Yagi
Affiliation:
National Astronomical Observatory, Mitaka, Tokyo 181-8588, Japan
N. Kashikawa
Affiliation:
National Astronomical Observatory, Mitaka, Tokyo 181-8588, Japan
Y. Komiyama
Affiliation:
Department of Astronomy, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
S. Okamura
Affiliation:
Department of Astronomy, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
Dave Carter
Affiliation:
Liverpool John Moores University, Astrophysics Research Institute, Twelve Quays House, Egerton Wharf, Birkenhead, Wirral, CH41 1LD UK
Bahram Mobasher
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA

Abstract

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A satisfactory understanding of the origin of the dependence of galaxy properties on their environment has remained, so far, out of reach. In the light of numerous observational results and substantial theoretical progress obtained for clusters of galaxies in the last few years, a primary goal is to understand how the star formation activity depends on cluster substructure, i.e. on the merging/accretion history of a cluster. In this contribution we present a case in which it is possible to identify the cluster environment, and in particular the intracluster medium and the recent infall history of galaxies onto the cluster, as the cause for an abrupt change in the star formation histories of a subset of galaxies in the Coma cluster.

Type
Session IV: Galaxy Evolution and Clusters of Galaxies
Information
Symposium - International Astronomical Union , Volume 216: Maps of the Cosmos , 2005 , pp. 239 - 248
Copyright
Copyright © Astronomical Society of the Pacific 2005 

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