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.2241m&link_type=abstract

Chandra Proposal ID #08801033

Mathematics

Logic

Chandra Proposal Id #08801033

Scientific paper

We have compiled the largest statistically complete sample of galaxy clusters with weak lensing mass estimates. 35 of the 36 clusters in our sample have been observed, or are scheduled for observation with Chandra. We propose a 15ks Chandra observation of A1576 to complete the sample, 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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