FRII sources at z>0.5: X-ray properties of the core and extended emission

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dc.creatorBelsole, E.
dc.creatorCroston, J. H.
dc.creatorWorrall, D. M.
dc.creatorHardcastle, M. J.
dc.date2005-11-22
dc.date.accessioned2026-07-07T06:45:18Z
dc.date.available2026-07-07T06:45:18Z
dc.descriptionActive galaxies are the most powerful engines in the Universe for converting gravitational energy into radiation, and their study at all epochs of evolution is therefore important. Powerful radio-loud quasars and radio galaxies have the added advantage that, since their radio jets need X-ray-emitting gas as a medium in which to propagate, the sources can be used as cosmological probes to trace significant atmospheres at high redshift. The radio emission can be used as a measure of source orientation, and sensitive X-ray measurements, especially when used in combination with multi-wavelength data, can be used to derive important results on the physical structures on a range of sizes from the cores to the large-scale components. In this paper we present new results on a significant sample of powerful radio galaxies and quasars at z > 0.5, drawn from the 3CRR catalogue and selected to sample a full range of source orientation. Using high-quality observations from XMM-Newton and Chandra, we discuss the X-ray properties of the cores, jets, lobes and cluster gas, and, through the incorporation of multi-wavelength data, draw conclusions about the nature of the emission from the different components.
dc.description6 pages 4 figures, to appear in the Proceedings of the conference "The X-ray Universe 2005", San Lorenzo de El Escorial, Spain, September 2005
dc.identifierhttps://arxiv.org/abs/astro-ph/0511654
dc.identifierhttp://arxiv.org/abs/astro-ph/0511654
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/103010
dc.subjectAstrophysics
dc.titleFRII sources at z>0.5: X-ray properties of the core and extended emission
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