Nailing down the Shock in Abell 754

Details Nailing down the Shock in Abell 754 Nailing down the Shock in Abell 754

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007xmm..prop..188l&link_type=abstract

XMM-Newton Proposal ID #05562005

Physics

Groups Of Galaxies, Clusters Of Galaxies, Supercluster, A754, A754 Closed1, A754-Offset, A754-Closed2, A754, Xmm-Newton Proposal Id #05562005

Scientific paper

Detection and characterization of shock fronts in clusters is limited to a tiny number of objects. One of the major difficulties is that shocks occur in low surface brightness regions where available instrumentation has considerable difficulty in making measurements. Here we propose a novel observational and data analysis strategy allowing us to make reliable measures of the shock front in A754. The sensitivity afforded by our observation will also allow us to characterize parts of the outer regions of A754 in unprecedented detail. From a more general perspective ours may be viewed as a demonstration of the capability of the EPIC experiment to provide substantially improved measurements of cluster outer regions. Such measures are likely to remain unsurpassed for years to come.

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