期刊
ASTRONOMY & ASTROPHYSICS
卷 376, 期 3, 页码 803-819出版社
EDP SCIENCES S A
DOI: 10.1051/0004-6361:20011016
关键词
galaxies : clusters : general; intergalactic medium; magnetic fields; radio continuum : general; X-rays : general
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.
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