NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2018-12-15 T13:48:36 PST
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For refcode 2003A&A...400..465B:
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Copyright by European Southern Observatory (ESO). Reproduced by permission
2003A&A...400..465B Deep images of cluster radio halos M. Bacchi, L. Feretti, G. Giovannini, F. Govoni 1 - Dipartimento di Fisica, Univ. Bologna, Via B. Pichat 6/2, 40127 Bologna, Italy 2 - Istituto di Radioastronomia - CNR, via Gobetti 101, 40129 Bologna, Italy 3 - Dipartimento di Astronomia, Univ. Bologna, Via Ranzani 1, 40127 Bologna, Italy Received 17 October 2002 / Accepted 9 January 2003 Abstract. New radio data are presented for the clusters A401, A545, A754, A1914, A2219 and A2390, where the presence of diffuse radio emission was suggested from the images of the NRAO VLA Sky Survey. Sensitive images of these clusters, obtained with the Very Large Array (VLA) at 20 cm confirm the existence of the diffuse sources and allow us to derive their fluxes and intrinsic parameters. The correlation between the halo radio power and cluster X-ray luminosity is derived for a large sample of halo clusters, and is briefly discussed. Key words: radio continuum: general - galaxies: clusters: general - intergalactic medium - X-rays: galaxies: clusters
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