An X-ray/lensing calibration of cluster mass estimates

Details An X-ray/lensing calibration of cluster mass estimates An X-ray/lensing calibration of cluster mass estimates

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006cxo..prop.2223m&link_type=abstract

Chandra Proposal ID #08800047

Mathematics

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Chandra Proposal Id #08800047

Scientific paper

We have compiled the largest statistically complete sample of galaxy clusters with weak lensing mass estimates. 31 of the 36 clusters have already been observed with Chandra. With 60ks of Chandra observations, good quality X-ray data can be obtained for the remaining 5, creating a homogeneous X-ray/lensing dataset. For the first time, X-ray and weak lensing mass estimates will be cross-calibrated in a volume limited sample. This will facilitate many important results, including the measurement of systematic effects in the mass estimates and their effect on derived cosmological constraints; improved calibration of the X-ray observable - mass scaling relations; and accurate measurements of cluster baryon fractions.

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