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THE SWIFT AGN AND CLUSTER SURVEY. I. NUMBER COUNTS OF AGNs AND GALAXY CLUSTERS

  • Authors: Xinyu Dai, Rhiannon D. Griffin, Christopher S. Kochanek, Jenna M. Nugent, and Joel N. Bregman

2015 The Astrophysical Journal Supplement Series 218 8.

  • Provider: AAS Journals

Caption: Figure 6.

Significance with which a cluster (﹩{{R}_{c}}=100﹩ kpc, ﹩\beta =0.6﹩) can be detected for redshifts of ﹩z=0.2﹩, 0.6, 1.0, and 1.4 as a function of the net number of photons in an image with a typical exposure time of 60 ks. The two horizontal solid lines show the 2.5σ and 3σ significance levels. The upper X-axis shows the corresponding flux.

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