Dynamic Analysis of CLASH Clusters

Details Dynamic Analysis of CLASH Clusters Dynamic Analysis of CLASH Clusters

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21922301l&link_type=abstract

American Astronomical Society, AAS Meeting #219, #223.01

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Scientific paper

Some tension was found between the mass distributions derived in simulations and inferred from observations. The Cluster Lensing And Supernova survey with Hubble (CLASH) is a 524-orbit multi-cycle treasury program to use the gravitational lensing properties of 25 galaxy clusters to accurately constrain their mass distributions (Postman et al. 2011). Here we put constrains on the mass distribution by dynamically analyzing Hectospec spectroscopic redshifts, using hundreds of redshifts per cluster for about five of CLASH clusters. These are confronted with results derived from lensing on the one hand and with published theoretical expectations on the other.

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