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Oxford University Press (OUP), Monthly Notices of the Royal Astronomical Society, 1(435), p. 518-523

DOI: 10.1093/mnras/stt1314

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The nature of the giant diffuse non-thermal source in the A3411-A3412 complex

Journal article published in 2013 by G. Giovannini ORCID, V. Vacca, M. Girardi, L. Feretti ORCID, F. Govoni ORCID, M. Murgia
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Very Large Array deep radio images at 1.4 GHz in total intensity and polarization reveal a diffuse non-thermal source in the interacting clusters A3411-A3412. Moreover, a small-size low-power radio halo at the centre of the merging cluster A3411 is found. We present here new optical and X-ray data and discuss the nature and properties of the diffuse non-thermal source. We suggest that the giant diffuse radio source is related to the presence of a large-scale filamentary structure and to multiple mergers in the A3411-A3412 complex.