Unraveling the Dynamical States of Abell 2345 and 2254

Details Unraveling the Dynamical States of Abell 2345 and 2254 Unraveling the Dynamical States of Abell 2345 and 2254

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008xmm..prop..126w&link_type=abstract

XMM-Newton Proposal ID #06047401

Computer Science

Groups Of Galaxies, Clusters Of Galaxies, Supercluster, Abell 2345

Scientific paper

Of the clusters hosting the 30 brightest radio halos and relics, only A2345 and A2254 have not been observed by XMM, Chandra, or Suzaku. The ROSAT HRI images of these clusters suggest significant substructure, almost certainly due to recent mergers. We will detect merger shocks in both clusters and a cold front in A2345, if they are present. The temperature structure in the core of both clusters will be mapped. For A2345, we will determine the ICM temperature at the location of its relics and detect surface brightness discontinuities due to shock fronts, which will test the shock acceleration model for producing radio relics. Both clusters will be detected out to R_500, and their spectra will be used to constrain the presence of non-thermal inverse Compton emission.

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