A detailed study of entropy in low mass galaxy clusters

Details A detailed study of entropy in low mass galaxy clusters A detailed study of entropy in low mass galaxy clusters

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1576l&link_type=abstract

Chandra Proposal ID #05800957

Physics

Chandra Proposal Id #05800957

Scientific paper

In simple models of structure formation, involving gravitational collapse and shock heating, the properties of galaxy clusters are expected to follow simple scaling relations dependent only on system mass. Observations have shown deviation from these scaling relations which are usually attributed to the presence of excess entropy and a number of theoretical models have been devised to attempt to explain this. We proposed to use the high spatial resolution of Chandra to accurately map the form of the entropy distribution in two bright low mass clusters, to discriminate between these models. We will analyse these observation in conjunction with archive Chandra data for rich clusters and XMM-Newton observations of groups, in order to constrain the models over a large mass range.

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