Determining the heat balance in groups and clusters

Details Determining the heat balance in groups and clusters Determining the heat balance in groups and clusters

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xmm..prop..207j&link_type=abstract

XMM-Newton Proposal ID #04055504

Computer Science

Groups Of Galaxies, Clusters Of Galaxies, Supercluster, Abell 76, Rxcj1840.6-7709, Rxcj1847.3-6320, Xmm-Newton Proposal 04055504

Scientific paper

We propose to observe five cool clusters, in order to complete a flux-limited sample that does not suffer from optical selection bias. Cool clusters are excellent probes for understanding the heat balance in all clusters since their smaller potentials mean that they are most susceptible to heating processes. We aim to study, systematically, heating and cooling effects; together with the dispersion in the luminosity / temperature relation at temperatures below 2 keV (i.e. the intrinsic scatter in cluster properties). We have already made considerable progress analyzing the existing archived observations, and request additional observations to complete the sample. With its greater collecting area and low-energy response, XMM-Newton is the observatory of choice for this work.

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