XMM-Newton Proposal 02036903

Details XMM-Newton Proposal 02036903 XMM-Newton Proposal 02036903

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..191b&link_type=abstract

XMM-Newton Proposal ID #02036903

Computer Science

Hcg07, Hcg88, Hcg30, Xmm-Newton Proposal 02036903

Scientific paper

X-ray observations of galaxy groups currently give the best evidence that non-gravitational processes cause departures from self-similarity. There are many types of groups, possibly related to different evolutionary states; spiral-dominated compact groups have been neglected in X-ray studies until recently. We propose to observe three spiral-rich HCGss with XMM in order to: (i) test whether such groups constitute a subclass of groups with specific X-ray characteristics, or whether their properties are simple extrapolations of those of elliptical-dominated groups; (ii) check the pre-heating scenario and compare different sources for this energy and entropy input; (iii) explore the relation between galaxy activity and intragroup gas enrichment.

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