Chandra Observations of the Lensing Cluster EMSS 1358+6245: Implications for Self-Interacting Dark Matter

Details Chandra Observations of the Lensing Cluster EMSS 1358+6245: Implications for Self-Interacting Dark Matter Chandra Observations of the Lensing Cluster EMSS 1358+6245: Implications for Self-Interacting Dark Matter

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001tysc.confe.134a&link_type=abstract

Two Years of Science with Chandra, Abstracts from the Symposium held in Washington, DC, 5-7 September, 2001, meeting abstract.

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Clusters Of Galaxies

Scientific paper

We present Chandra observations of the EMSS 1358+6245, a relaxed cooling flow cluster at z=0.328. Exploiting the spatial resolution of the Chandra and the imaging spectroscopy capabilities of the ACIS detector we employ a new deprojection technique to construct temperature, gas, and dark matter profiles. Our deprojected temperature profile is consistent with isothermality over 30 kpc < r < 0.8 Mpc. We find good agreement between our dark matter profile and gravitational lensing measurements. We use the mass profile near the center of the cluster to constrain the cross section of possibly self-interacting dark matter.

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