Physical Properties of 70 Galaxy Clusters Observed by XMM-Newton

Details Physical Properties of 70 Galaxy Clusters Observed by XMM-Newton Physical Properties of 70 Galaxy Clusters Observed by XMM-Newton

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008head...10.2502d&link_type=abstract

American Astronomical Society, HEAD meeting #10, #25.02

Mathematics

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Scientific paper

Clusters of galaxies are the largest and most massive collapsed objects in the universe, and as such they are sensitive probes of the history of structure formation. Studies of their evolution can place strong constraints on all theories of large scale structure and determine precise values for many of the cosmological parameters. We present results from our uniform analysis of 70 clusters using data from the XMM-Newton EPIC-mos detectors with an improved spatial model of the detector background (Snowden et al 2008). We fit the temperature profile of the clusters using the model from Vikhlinin et al. (2006) and assuming hydrostatic equilibrium we derive mass profiles. We also determine the gas mass profiles and derive entropy profiles for the sample. We compare these properties with morphological properties to investigate correlations between the dynamical state of the cluster and structural properties of the clusters.

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