An XMM-Newton Survey of NORAS Groups of Galaxies

Details An XMM-Newton Survey of NORAS Groups of Galaxies An XMM-Newton Survey of NORAS Groups of Galaxies

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xmm..prop...48m&link_type=abstract

XMM-Newton Proposal ID #04012005

Computer Science

Groups Of Galaxies, Clusters Of Galaxies, Supercluster, Rxcj1109.7+2145, Rxcj0748.1+1832, Xmm-Newton Proposal 04012005

Scientific paper

We propose to continue our successful XMM-Newton survey of nearby groups from the representative flux limited NORAS sample. Our proposed sample spans the range of X-ray luminosities (and thus temperatures) for groups. The high signal-to-noise data we obtain will be used to derived entropy profiles from the very centers of these groups out to approximately half of the virial radius. These entropy profiles will be used to constrain the history of heating and cooling in groups. The XMM data will also allow a detailed study of the abundance gradients of the hot gas in the elements of Fe, O, Si and S, which provide constraints on the stars responsible for the enrichment. Here, we request five observations to complete the sample.

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