Calibrating the Mass-Temperature Relationship of Galaxy Clusters

Details Calibrating the Mass-Temperature Relationship of Galaxy Clusters Calibrating the Mass-Temperature Relationship of Galaxy Clusters

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...201.0305b&link_type=abstract

American Astronomical Society, 201st AAS Meeting, #03.05; Bulletin of the American Astronomical Society, Vol. 34, p.1094

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Scientific paper

We present the most recent calibration of the mass-temperature relationship for galaxy clusters. Using separate data from weak gravitational lensing and X-ray observations, we can empirically determine the relationship without assuming hydrostatic equilibrium or resorting to any virial arguments. We will analyze the primary sources of error in the mass measurements (including the mass-sheet degeneracy, contamination due to large-scale structure, and the accuracy of the NFW and isothermal mass profile fits) and consider how they might affect the relationship.

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