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The extended radio emission in the luminous X-ray cluster A3667
Open accessAbstract
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. 1In this paper we choose not to draw a distinction between halo and relic sources, but use the term ‘halo’ to refer generically to either class of diffuse cluster source.
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Citations
Cited by
Shocks and cold fronts in galaxy clusters
Markevitch, M., & Vikhlinin, A. (2007) · Physics Reports · doi:10.1016/j.physrep.2007.01.001 · Cited by 726
Clusters of galaxies: observational properties of the diffuse radio emission
Feretti, L., Giovannini, G., Govoni, F., & Murgia, M. (2012) · The Astronomy and Astrophysics Review · doi:10.1007/s00159-012-0054-z · Cited by 667
COSMIC RAYS IN GALAXY CLUSTERS AND THEIR NONTHERMAL EMISSION
BRUNETTI, G., & JONES, T. W. (2014) · International Journal of Modern Physics D · doi:10.1142/s0218271814300079 · Cited by 577
MAGNETIC FIELDS IN CLUSTERS OF GALAXIES
GOVONI, F., & FERETTI, L. (2004) · International Journal of Modern Physics D · doi:10.1142/s0218271804005080 · Cited by 486
Diffuse Radio Emission from Galaxy Clusters
van Weeren, R. J., de Gasperin, F., Akamatsu, H., Brüggen, M., Feretti, L., Kang, H., Stroe, A., & Zandanel, F. (2019) · Space Science Reviews · doi:10.1007/s11214-019-0584-z · Cited by 481
Metadata
- Authors
- Rottgering, H. J. A., Wieringa, M. H., Hunstead, R. W., & Ekers, R. D.
- Venue
- Monthly Notices of the Royal Astronomical Society
- Publisher
- Oxford University Press (OUP)
- Published
- 1997-10-01
- Volume
- 290
- Issue
- 4
- Pages
- 577-584
- ISSN
- 0035-8711 (ISSN-L)
- 1365-2966
- OpenAlex
- W2117822094
- Cited by
- 221
- References
- 0
- FWCI
- 4.94
- Type
- journal article
- Language
- en
- Open access
- green
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- Rottgering, H. J. A., Wieringa, M. H., Hunstead, R. W., & Ekers, R. D. (1997). The extended radio emission in the luminous X-ray cluster A3667. Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1093/mnras/290.4.577
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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