Observational Properties of Diffuse Halos in Clusters
arXiv:astro-ph/0006379
Abstract
The number of known diffuse radio sources in clusters of galaxies has grown in recent years, making it possible to derive statistical properties of these sources and of the hosting clusters. We show that diffuse sources are associated with X-ray luminous clusters which have undergone recent merger processes. The radio and X-ray structures are often similar, and correlations are found between radio and X-ray parameters. This is indication of a link between the diffuse relativistic and thermal plasma in clusters of galaxies.
8 pages, Invited review at IAU 199 `The Universe at Low Radio Frequencies' in Pune, India, 1999
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- Radio halos in nearby (z < 0.4) clusters of galaxies
- Discovery of diffuse emission in the galaxy cluster A1689
- The merging galaxy cluster Abell 3266 at low radio frequencies
- The nature of the giant diffuse non-thermal source in the A3411-A3412 complex