Testing the merger-radio halo connection in the massive galaxy cluster RXCJ2003.5-2323

Details Testing the merger-radio halo connection in the massive galaxy cluster RXCJ2003.5-2323 Testing the merger-radio halo connection in the massive galaxy cluster RXCJ2003.5-2323

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006cxo..prop.2231g&link_type=abstract

Chandra Proposal ID #08800647

Physics

Chandra Proposal Id #08800647

Scientific paper

We propose 50 ks Chandra observation of the massive galaxy cluster RXCJ2003.5-2323. In this cluster we discovered a giant and powerful radio halo with an exceptional linear size of 1.4 Mpc and a clumpy/filamentary radio morphology. The cluster redshift (z=0.3171) is among the highest with a giant radio halo detection. In the framework of the turbulent re-acceleration scenario for the origin of giant radio halos, the presence of an ongoing major merger is required to explain the formation, size and high radio power of the halo source in RXCJ2003.5-2323. The proposed observation will allow us to test the expected highly disturbed dynamical state of the cluster and study in detail the radio - X-ray connection.

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