Journal
ASTRONOMY & ASTROPHYSICS
Volume 534, Issue -, Pages -Publisher
EDP SCIENCES S A
DOI: 10.1051/0004-6361/201117788
Keywords
galaxies: clusters: individual: RX J1347-1145; radio continuum: galaxies; X-rays: galaxies: clusters; cosmic background radiation
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Funding
- Agence Nationale de la Recherche [ANR-09-JCJC-0001-01]
- BQR program of Observatoire de la Cote d'Azur
- Laboratoire Cassiopee [UMR 6202]
- Science and Technology Facilities Council [ST/G003084/1] Funding Source: researchfish
- STFC [ST/G003084/1] Funding Source: UKRI
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We analyzed new 237 MHz and 614 MHz GMRT data of the most X-ray luminous galaxy cluster, RXJ1347-1145. Our radio results are compared with the MUSTANG 90 GHz Sunyaev-Zel'dovich effect map and with re-processed Chandra and XMM-Newton archival data of this cluster. We point out for the first time in an unambiguous way the correspondence between a radio excess in a diffuse intra-cluster radio source and a hot region detected through both Sunyaev-Zel'dovich effect and X-ray observations. Our result indicates that electron re-acceleration in the excess emission of the radio mini-halo at the center of RXJ1347-1145 is most likely related to a shock front propagating into the intra-cluster medium.
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