Chandra study of the first strong-lens selected cluster of galaxies and the lens system

Details Chandra study of the first strong-lens selected cluster of galaxies and the lens system Chandra study of the first strong-lens selected cluster of galaxies and the lens system

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cxo..prop.1780i&link_type=abstract

Chandra Proposal ID #06800392

Mathematics

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Chandra Proposal Id #06800392

Scientific paper

We propose to observe SDSS J1004+4112, the first and unique strongly lensed quasar system due to a cluster of galaxies, at X-ray wavelengths using the ACIS-S. Our goals include: 1) constraining the properties of the first strong-lens selected cluster, 2) determining the magnification ratios of the 4 quasar images at X-ray wavelengths, 3) constraining the intensity of the cluster Fe-K emission line for the future study. The existence of 4 bright X-ray sources (4 quasar images) behind the core of a cluster provides a unique observational opportunity. Combined with our other observations (Astro-E2, Subaru, Nobeyama), a Chandra observation of this system promises a wealth of important cosmological information. Based on MARX simulations, we request an exposure time of 80 ks.

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