XMM-Newton Observations of Low Luminosity Clusters of Galaxies at z=0.3-0.5

Details XMM-Newton Observations of Low Luminosity Clusters of Galaxies at z=0.3-0.5 XMM-Newton Observations of Low Luminosity Clusters of Galaxies at z=0.3-0.5

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006xmm..prop...30d&link_type=abstract

XMM-Newton Proposal ID #05009402

Physics

Groups Of Galaxies, Clusters Of Galaxies, Supercluster, Rxj0110.3+1938, Rxj1011.0+5339, Xmm-Newton Proposal 05009402

Scientific paper

The evolution of cluster scaling relations provides us valuable constraints on structure formation, both the dark matter and baryons. We propose to observe four low-luminosity clusters at z=0.3-0.5 to extend the coverage of cluster luminosities to the low end at this redshift range by a factor of two. These clusters have estimated temperatures of 1.8-2.3 keV so non-gravitational baryon physics (e.g., cooling, AGN and SNe heating) are expected to be important. The data for these clusters allow us to extend the low temperature ends of the L-T, M-T and K-T relations at z>0.3. In combination with a similar number of 2.5-3 keV clusters at z>0.3 observed by Chandra and XMM, we will also examine the evolution of cool clusters (T<3 keV) to compare with that of hot clusters.

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