Spatially Resolved X-Ray Spectroscopy of the best Lensing Cluster of Galaxies CL0024+17

Details Spatially Resolved X-Ray Spectroscopy of the best Lensing Cluster of Galaxies CL0024+17 Spatially Resolved X-Ray Spectroscopy of the best Lensing Cluster of Galaxies CL0024+17

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop..199h&link_type=abstract

Chandra Proposal ID #01800954

Physics

Chandra Proposal Id #01800954

Scientific paper

The discovery of the gravitationally lensed images of back-ground galaxies in distant clusters of galaxies provide a new tool to measure the mass distributions of clusters of galaxies. It has been claimed that the lensing estimates of the cluster mass are systematically a factor of 2-5 larger than those estimated from X-ray observations. Aiming to resolve this problem, a deep pointed observations of the lensing cluster CL0024+17 which has the most ideal configuration of the lensed images, is proposed to measure accurate temperature and X-ray morphology. If CL0024+17 is pointed on the aimpoint of ACIS-S3, a dark lens system MG0023+171 can be covered by ACIS-S0. Therefore, we propose to perform X-ray search for dark lens object of MG0023+171 simultaneously by adjusting a role angle.

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