Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997mnras.290..577r&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 290, Issue 4, pp. 577-584.
Astronomy and Astrophysics
Astronomy
139
Galaxies: Clusters: Individual: A3667, Radio Continuum: Galaxies
Scientific paper
The radio sources in the galaxy cluster A3667 have been imaged using the Australia Telescope Compact Array at both 13 and 20 cm. The most striking source is a large region (at least 2.6 Mpc in extent) of mostly diffuse emission that is located to the north-west, well outside the central core of the cluster. Taking into account the X-ray and optical data, we suggest that turbulence in the outer region of the cluster, associated with a cluster merger, reaccelerates remnant relativistic particles, leading to the observed large region of radio emission. New MOST data which indicate similar diffuse emission to the south-east support this conclusion.
Ekers Ron D.
Hunstead Richard W.
R"ottgering Huub J. A.
Wieringa Mark H.
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