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Distant Radio Galaxies: Probes of the Formation of Massive Galaxies

Published online by Cambridge University Press:  25 May 2016

Huub Röttgering ,
Philip Best ,
Laura Pentericci  and
George Miley
Huub Röttgering
Affiliation:
Leiden Observatory, P.O. Box 9513, 2300 RA Leiden, The Netherlands
Philip Best
Affiliation:
Leiden Observatory, P.O. Box 9513, 2300 RA Leiden, The Netherlands
Laura Pentericci
Affiliation:
Leiden Observatory, P.O. Box 9513, 2300 RA Leiden, The Netherlands
George Miley
Affiliation:
Leiden Observatory, P.O. Box 9513, 2300 RA Leiden, The Netherlands

Abstract

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In this paper we review some of the evidence that the hosts of powerful high redshift (1 ≲ z ≲ 5) radio galaxies (HzRGs) are the progenitors of present day brightest cluster galaxies (BCGs). On the basis of HST imaging we argue that the scenario describing the formation of BCGs consists of at least two important stages. At z > 2 a significant fraction of the stellar mass of a BCG is formed during a massive burst of star-formation. By z ~ 1, well developed massive ellipticals are already observed and from then until the present epoch, the total mass in stars of the BCG will further grow by a factor of order 3, mainly through the accretion of cluster ellipticals.

Type
Deep Fields & Evolution
Information
Symposium - International Astronomical Union , Volume 186: Galaxy Interactions at High and Low Redshift , 1999 , pp. 471 - 474
Copyright
Copyright © Kluwer 1999 

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