Measuring the matter distribution within z=0.2 cluster lenses with XMM-Newton

2); (2) Observatoire Midi-Pyrenees Toulouse France; 3); (3) Caltech-Astronomy Pasadena USA; (4) Institute for Astronomy Honolulu USA; (5) Institute for Computational Cosmology Durham UK); H. Ebeling (4); I. Smail (5) ((1) IAS Orsay France; J.-P. Kneib (2; O. Czoske (2)

arxiv: astro-ph/0309054 · v1 · submitted 2003-09-02 · 🌌 astro-ph

Measuring the matter distribution within z=0.2 cluster lenses with XMM-Newton

P. B. Marty (1 , 2) , J.-P. Kneib (2 , 3) , R. Sadat (2) , S. Bardeau (2) , O. Czoske (2) , H. Ebeling (4)

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I. Smail (5) ((1) IAS Orsay France (2) Observatoire Midi-Pyrenees Toulouse France (3) Caltech-Astronomy Pasadena USA (4) Institute for Astronomy Honolulu USA (5) Institute for Computational Cosmology Durham UK)

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keywords clustersanalysisdistributionemissionspectro-imagingstandardallowedalready

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We present an analysis of 7 clusters observed by XMM as part of our survey of 17 most X-ray luminous clusters of galaxies at z=0.2 selected for a comprehensive and unbiased study of the mass distribution in massive clusters. Using public software, we have set up an automated pipeline to reduce the EPIC MOS & pn spectro-imaging data, optimized for extended sources analysis. We also developped a code to perform intensive spectral and imaging analysis particularly focussing on proper background estimate and removal. XMM deep spectro-imaging of these clusters allowed us to fit a standard beta-model to their gas emission profiles as well as a standard MEKAL emission model to their extracted spectra, and test their inferred characteristics against already calibrated relations.

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Measuring the matter distribution within z=0.2 cluster lenses with XMM-Newton

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