Selecting high redshift clusters using radio galaxies

Details Selecting high redshift clusters using radio galaxies Selecting high redshift clusters using radio galaxies

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...19710702c&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #107.02; Bulletin of the American Astronomical Society, Vol. 32, p.1581

Astronomy and Astrophysics

Astronomy

Scientific paper

The existence of massive collapsed objects, particularly rich galaxy clusters, at high redshifts provides a challenge for theories of cosmic structure formation. Cluster galaxy studies are just reaching redshifts z ~ 1 at which serious constraints can be placed on the formation and evolution of early-type galaxies in clusters. High redshift luminous radio galaxies are also thought to inhabit cluster/group environments, and therein may lie the key to their fueling and their peak in luminosity evolution at z > 1. We have observed a large sample (91) of high redshift radio galaxy fields to probe their cluster environments, constraining the early evolution of cluster galaxies and the connection between the evolving cluster environments and their resident AGN.

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