1998/02/12 by Arjun Dey, Dey, Arjun
Physics and Astronomy · #Astrophysics (astro-ph) #FOS: Physical sciences #astro-ph
paper · pdf · doi:10.48550/arxiv.astro-ph/9802163
14 pages, to appear in the proceedings of the KNAW colloquium ``The Most Distant Radio Galaxies'' held in Amsterdam on 15-17 October 1997
arxiv created 1998/02/12 · arxiv updated 2009/12/01
I briefly review the current status of observations of AGN-powered UV/optical light, starlight, dust and outflow phenomena in high-redshift powerful radio galaxies. The existing data are consistent with the hypothesis that powerful radio galaxies undergo a major episode of star formation at high redshift z>4 during which they form most of their stars, and subsequently evolve `passively', with the UV continuum emission in the z~1 galaxies being dominated by AGN-related processes rather than starlight from the underlying, aging population.