Mathematics – Logic
Scientific paper
Oct 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009xmm..prop...12a&link_type=abstract
XMM-Newton Proposal ID #06503845
Mathematics
Logic
Cosmology, Extragalactic Deep Fields And Area Surveys, Macsj0010+29, Macsj0027.4+26, Macsj0032+18, Macsj0033-07, Macsj0034.4+02, Macsj0034.9+02, Macsj0051+27, Macsj0110+32, Macsj0140-34, Macsj0449-28, Macsj0510+02, Macsj0521-27, Macsj0529-31, Macsj0600-20, Macsj0611-30, Macsj0845+03, Macsj0845+29, Macsj0916-00, Macsj1044-14, Macsj1133+50, Macsj1141-19, Macsj1142+58, Macsj1246-25, Macsj1258+47, Macsj1305+26, Macsj1322+31, Macsj1331-17, Macsj1526+16, Macsj1551-02, Macsj1625-08, Macsj1644+01, Macsj1652+55, Mac
Scientific paper
Massive clusters of galaxies currently offer two complementary approaches to cosmology, through studies of cluster gas-mass fractions and the growth of cosmic structure. We propose to pursue both of these approaches simultaneously by completing X-ray follow-up of the MACS sample. X-ray observations of this sample, the leading, statistically complete sample of very massive clusters, have already proved to be a powerful cosmological tool. The proposed observations would significantly improve our understanding of cluster scaling relations for the growth of structure, allow a detailed statistical study of the evolution and impact of cool clusters cores, and identify hot, relaxed clusters suitable for cosmological studies through the gas-mass fraction method.
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