The Early History of Powerful Radio Galaxies
نویسنده
چکیده
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.
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