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EDP Sciences, Astronomy & Astrophysics, 3(376), p. 803-819, 2001

DOI: 10.1051/0004-6361:20011016

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Radio and X-ray diffuse emission in six clusters of galaxies

Journal article published in 2001 by F. Govoni ORCID, L. Feretti ORCID, G. Giovannini ORCID, H. Bohringer, H. B�hringer, T. H. Reiprich, M. Murgia
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Deep Very Large Array radio observations confirm the presence of halo and relic sources in six clusters of galaxies (A115, A520, A773, A1664, A2254, A2744) where a wide diffuse emission was previously found in the NRAO VLA Sky Survey. New images at 1.4 GHz of these six clusters of galaxies are presented and X-ray data obtained from the ROSAT archive are analyzed. The properties of clusters hosting radio halos and relics are analyzed and discussed. A correlation between the halo radio power and the cluster gravitational mass is presented. ; Comment: 18 pages, 18 ps figures, accepted by A&A