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The Las Campanas/AAT Rich Cluster Survey

Published online by Cambridge University Press:  05 March 2013

Eileen O'Hely
Affiliation:
Department of Astrophysics and Optics, School of Physics, University of New South Wales, NSW 2052, Australia; eoh@edwin.phys.unsw.edu.au
Warrick J. Couch
Affiliation:
Department of Astrophysics and Optics, School of Physics, University of New South Wales, NSW 2052, Australia; wjc@edwin.phys.unsw.edu.au
Ian Smail
Affiliation:
Department of Physics, University of Durham, South Rd, Durham, DH1 3LE, UK; ian.smail@durham.ac.uk
Alastair C. Edge
Affiliation:
Department of Physics, University of Durham, South Rd, Durham, DH1 3LE, UK; ace@durham.ac.uk
Ann Zabludoff
Affiliation:
UCO/Lick Observatory and Board of Astronomy and Astrophysics, University of California at Santa Cruz, Santa Cruz, CA 95064, USA; aiz@ucolick.org
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Abstract

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Some unsolved cosmological questions remain in relation to the formation of structure in the universe. One way of addressing such questions is to use rich galaxy clusters as tracers of the growth of large-scale structure. To date, studies of rich clusters of galaxies have concentrated on systems generally at either high redshift or in the local universe. The properties of clusters and their constituent galaxies at these extrema are becoming well understood. In particular, it is becoming clear that rich clusters have undergone considerable evolution both dynamically and in their galaxy populations over the last 5–8 Gyr. We are undertaking a detailed study of rich clusters of galaxies in the range 0·05 ≲ z ≲ 0·15. Our results will be directly comparable to those of previous studies both at high and low redshift and, for the first time, provide continuous coverage across this important and unexplored transitory epoch in terms of galaxy evolution and structure growth.

Type
Research Article
Copyright
Copyright © Astronomical Society of Australia 1998

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