The properties and environments of giant radio sources

Details The properties and environments of giant radio sources The properties and environments of giant radio sources

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006xmm..prop...96k&link_type=abstract

XMM-Newton Proposal ID #05025002

Mathematics

Logic

Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, 3C457, 3C46, Xmm-Newton Proposal 05025002

Scientific paper

Giant radio sources (GRSs) raise several important questions related to their confinement and evolution and the properties of the IGM they inhabit. We request to observe two radio galaxies, 3C46 and 3C457, with {it XMM} to image and determine the spectra of the X-ray emission towards addressing some of these questions. The detection of inverse-Compton emission from the radio lobes will enable us to estimate lobe pressures. We will also determine any X-ray emission from a hot-gas environment, and thus understand the properties of the external medium and the confinement of the radio lobes. These observations will provide insights towards using GRSs as cosmological probes and also understanding the evolution of magnetic fields and energy densities with age.

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