The low-redshift 3CRR sources: missing data

Details The low-redshift 3CRR sources: missing data The low-redshift 3CRR sources: missing data

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20651b&link_type=abstract

Spitzer Proposal ID #20651

Computer Science

Scientific paper

We propose MIPS observations of 3C 338 to conclude the program of IRAC and MIPS imaging photometry of the complete sample of z < 0.1 3CRR radio galaxies that was awarded time in AO1. These MIPS observations were expected from a GTO program, but are no longer in the ROC. The overall aims of the study are (1) to measure the energy outputs of the active nuclei and test the relationship between radio power and nuclear properties expected under unified schemes; (2) to study orientation effects in the IR emission of the nuclei by comparing their IR properties with radio-derived indications of orientation; (3) to confirm the unusual IR colors of the host galaxies, which we interpret in terms of dusty debris from a recent encounter; and (4) to construct wide-band spectra for the radio jets, and so test our prediction of spectral breaks in the mid-IR arising from the existence of a maximum electron energy. The data received so far confirm the feasibility of this program, and we wish to obtain the 3C 338 MIPS images since this is one of the few cD galaxies in the sample at the core of an X-ray bright cluster, and to avoid compromising the legacy value of the overall dataset.

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