XMM-Newton Proposal 02063403

Details XMM-Newton Proposal 02063403 XMM-Newton Proposal 02063403

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..328h&link_type=abstract

XMM-Newton Proposal ID #02063403

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Cl0852P1618, Cl1013P4933, Cl1639P5347, Xmm-Newton Proposal 02063403

Scientific paper

We propose XMM EPIC observations of 3 typical X-ray selected galaxy groups. Our objects are both bright and sufficiently distant (z0.10-0.13) so that they each can be detected to their virial radius in a single pointing. The XMM observations will provide accurate mass profiles to r_500. In combination with the already obtained optical observations, we will be able to establish the baryon budget in T 2 keV groups, accurately calibrating the M-T relation at group scale, and quantifying any trends in the baryon fraction from rich clusters to groups. These data will have important implications for the thermal history of the intergalactic medium and cluster-based cosmological tests, complementing ongoing cluster surveys focusing on rich clusters.

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