Mathematics – Logic
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop...67k&link_type=abstract
XMM-Newton Proposal ID #06716404
Mathematics
Logic
Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, 3C274.1, 4C39.04, 3C33.1, B1519+513
Scientific paper
Giant radio sources (GRSs) raise several important questions related to their confinement, evolution, particle content and the properties of the IGM they inhabit. We propose to observe 4 GRSs with {it XMM} to image and determine the spectra of their X-ray emission in an attempt to address 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 pave the way for the use of GRSs as cosmological probes and also help us to understand the evolution of magnetic fields and energy densities with age.
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