Cluster Gravitational Lenses and the Impact of Cooling Flows.

Details Cluster Gravitational Lenses and the Impact of Cooling Flows. Cluster Gravitational Lenses and the Impact of Cooling Flows.

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop...60a&link_type=abstract

Chandra Proposal ID #01800451

Physics

Chandra Proposal Id #01800451

Scientific paper

We propose to observe three well-studied cluster gravitational lenses, which are amongst the most X-ray luminous and massive clusters of galaxies known at intermediate redshifts, to determine the (mass-weighted) temperature profiles and total mass profiles in these systems. The observations will permit direct, accurate measurements of the X-ray gas, total mass and metallicity distributions in the clusters, from their core regions (on the scale of tens of kpc) out to the limits of X-ray detection (r ~3Mpc). The data will reveal the impact of cooling flows on X-ray mass measurements for clusters and elucidate the origin of the discrepancies between X-ray and strong lensing masses for systems without cooling flows.

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