Probing Cluster Potentials through Gravitational Lensing of Background X-Ray Sources
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🌌 astro-ph
keywords
clusterlensingsourcesbackgrounddeficitgravitationalnumberx-ray
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We examine the gravitational lensing effect of a foreground galaxy cluster on the number count statistics of background X-ray sources. The lensing produces a deficit in the number of resolved sources in a ring close to the critical radius of the cluster. This deficit could be detected at the $\sim 3\sigma$ level with the AXAF-ACIS camera.
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