South Pole Telescope (SPT) - Chandra Cluster Cosmology

Details South Pole Telescope (SPT) - Chandra Cluster Cosmology South Pole Telescope (SPT) - Chandra Cluster Cosmology

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cxo..prop.2442m&link_type=abstract

Chandra Proposal ID #09800120

Mathematics

Logic

Chandra Proposal Id #09800120

Scientific paper

We propose Chandra ACIS-I observations of a mass limited set of clusters detected by the South Pole Telescope using the redshift-independent Sunyaev-Zeldovich effect (SZE). This exploration will find the first clusters detected through their SZE signature on the cosmic microwave background. Ultimately, we expect to observe a sample of 200 clusters at z>0.5 with masses greater than 3x10^14 Msun. We will measure gas temperatures to an accuracy of better than 15% and gas masses to an accuracy of 8%. We will 1) combine the X-ray and SZE data to test d(z) 2) use the X-ray Y parameter (Y=M_gas * T_gas) to derive the cluster mass function which is a sensitive probe of cosmological parameters and 3) improve the reliability of cluster mass estimates using the X-ray mass proxies.

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