The evolution of active galaxies in clusters |
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Authors: | P. Best |
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Affiliation: | (1) Institute for Astronomy, Royal Observatory, Blackford Hill, Edinburgh, UK |
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Abstract: | The results of deep radio, sub-mm and X-ray observations of samples of high redshift (z∼1) clusters are presented. These reveal significant excesses of active galaxies associated with the clusters at all three wavelengths. The cluster radio source population shows evolution consistent with the (1+z)3 evolution typical of many AGN classes. A large fraction of the AGN are hosted by apparently passive early-type galaxies, often with a close companion. These results essentially constitute the detection of a counterpart of the Butcher-Oemler effect for both strongly star bursting galaxies and AGN. This revised version was published online in July 2006 with corrections to the Cover Date. |
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Keywords: | clusters: general galaxies: starburst galaxies: evolution radio continuum: galaxies galaxies: clusters: individual: MS1054– 03 |
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