Spectral Energy Distributions of the High-Redshift 3CR Sources: Testing Unification

Details Spectral Energy Distributions of the High-Redshift 3CR Sources: Testing Unification Spectral Energy Distributions of the High-Redshift 3CR Sources: Testing Unification

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sptz.prop40072f&link_type=abstract

Spitzer Proposal ID #40072

Computer Science

Scientific paper

We propose IRAC, IRS peakup, and MIPS photometry of a complete sample of high-redshift (z>1) radio galaxies and quasars. The sample contains 63 massive and powerful radio galaxies and quasars from the 3CR catalog, selected strictly on the basis of flux density of the radio lobes. It should therefore be an orientation-independent sample, suitable for testing AGN unification models. The observations will consist of photometry of the radio source counterpart galaxies from 3.6 to 24 microns. In addition, we will map an approximately 4 arcmin region around the radio galaxy with IRAC to look for possible clusters around the radio sources. The galaxy spectral energy distributions will enable us to determine the stellar luminosity and mass of the host galaxies and the mid-infrared luminosity of AGN-related power law emission. In addition, the IRAC images will allow us to study the environment of these most massive 3CR sources. The maps will be large enough to cover the presumed galaxy clusters and deep enough to detect galaxiesat least ten times fainter than the 3CR sources.

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