Extending X-ray and Sunyaev-Zel'dovich effect calibrations to low mass galaxy clusters

Details Extending X-ray and Sunyaev-Zel'dovich effect calibrations to low mass galaxy clusters Extending X-ray and Sunyaev-Zel'dovich effect calibrations to low mass galaxy clusters

Sep 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010cxo..prop.3026m&link_type=abstract

Chandra proposal ID #12800403

Computer Science

Scientific paper

Sunyaev-Zel'dovich effect (SZE) surveys will produce large samples of galaxy clusters for performing precision cosmology. However, SZE science is still in its infancy, and SZE probes of the intra-cluster medium (which are predicted to be excellent cluster mass proxies) must be calibrated against established X-ray measurements before they can be relied upon. This work has begun with studies of the most massive clusters known, but in this proposal we seek to extend these calibration studies to lower mass systems that are representative of the populations expected in SZE surveys. We request 167 ks of Chandra time to observe 7 galaxy clusters, completing a volume-limited sample of 14 clusters at z=0.17. All clusters have existing or scheduled observations with the SZA or OCRA SZE instruments.

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