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20 April 2024

» arxiv » astro-ph/0008442

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VSOP observation of the quasar PKS 2215+020: a new laboratory for core-jet physics at z=3.572
A.P. Lobanov ; L.I. Gurvits ; S. Frey ; R.T. Schilizzi ; K.I. Kellermann ; N. Kawaguchi ; I.I.K. Pauliny-Toth ;
Date:	29 Aug 2000
Subject:	astro-ph
Abstract:	We report results of a VSOP (VLBI Space Observatory Programme) observation of a high redshift quasar PKS 2215+020 (z=3.572). The ~1 milliarcsecond resolution image of the quasar reveals a prominent `core-jet’ structure on linear scales from 5/h to 300/h pc ($H_0=100h km/(sMpc). The brightness temperatures and sizes of bright features identified in the jet are consistent with emission from relativistic shocks dominated by adiabatic energy losses. The jet is powered by the central black hole with estimated mass of ~4*10^9 solar masses. Comparisons with VLA and ROSAT observations indicate a possible presence of an extended radio/X-ray halo surrounding 2215+020.
Source:	arXiv, astro-ph/0008442
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