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Optical Cluster-Finding with An Adaptive Matched-Filter Technique: Algorithm and Comparison with Simulations
Feng Dong, Elena Pierpaoli, James E. Gunn +1
We present a modified adaptive matched filter algorithm designed to identify clusters of galaxies in wide-field imaging surveys such as the Sloan Digital Sky Survey. The cluster-fi…
Joint deprojection of Sunyaev-Zeldovich and X-ray images of galaxy clusters
S. Ameglio, S. Borgani, E. Pierpaoli +1
We present two non-parametric deprojection methods aimed at recovering the three-dimensional density and temperature profiles of galaxy clusters from spatially resolved thermal Sun…
The 3D soft X-ray cluster-AGN cross-correlation function in the ROSAT NEP survey
N. Cappelluti, H. Boehringer, P. Schuecker +4
X-ray surveys facilitate investigations of the environment of AGNs. Deep Chandra observations revealed that the AGNs source surface density rises near clusters of galaxies. The nat…