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Volume 306 - XII Multifrequency Behaviour of High Energy Cosmic Sources Workshop (MULTIF2017) - Cosmology
Correlation between Gamma-ray Sky and Catalogs of Galaxies and Galaxy Clusters
M. Regis
Full text: pdf
Pre-published on: 2018 March 24
Published on: 2018 May 30
We discuss here methods and results concerning the angular cross-correlation between gamma-ray sky-maps and catalogs of galaxies and galaxy clusters.
The main goal of the study is to extract information on the clustering, redshift distribution and type of the unresolved non-thermal gamma-ray sources. We will show how this technique can be used to search for "new" populations of sources, including galaxy clusters and the one possibly provided by annihilation or decay of particle dark matter.
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