Radio and X-ray diffuse emission in six clusters of galaxies
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.
- Publication:
-
Astronomy and Astrophysics
- Pub Date:
- September 2001
- DOI:
- 10.1051/0004-6361:20011016
- arXiv:
- arXiv:astro-ph/0107275
- Bibcode:
- 2001A&A...376..803G
- Keywords:
-
- GALAXIES: CLUSTERS: GENERAL;
- INTERGALACTIC MEDIUM;
- MAGNETIC FIELDS;
- RADIO CONTINUUM: GENERAL;
- X-RAYS: GENERAL;
- Astrophysics
- E-Print:
- 18 pages, 18 ps figures, accepted by A&