http://arxiv.org/abs/1605.00395
We present the results of a photon cluster search in the 7-years Fermi-Large Area Telescope extragalactic Pass 8 gamma-ray sky by means of the Minimum Spanning Tree (MST) algorithm, at energies higher than 10 GeV. We found 16 clusters of photons, corresponding to candidate gamma-ray sources, located very close to infrared-selected sources in the 1WHSP (WISE High Synchrotron Peaked) sample, and therein classified as either “new” or “candidate” blazars. In this paper some properties of the MST clusters and of the associated sources are presented.
R. Campana, E. Massaro and E. Bernieri
Tue, 3 May 16
3/62
Comments: 8 pages, 1 figure. Accepted for publication in Astrophysics & Space Science
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