Astrophysics> High Energy Astrophysical Phenomena
arXiv:1808.01176 (astro-ph)
[Submitted on 3 Aug 2018]
Title:A MST catalogue of gamma-ray source candidates above 10 GeV and at Galactic latitudes higher than 20 degrees
View PDFAbstract:We describe a catalogue of gamma-ray source candidates, selected using the Minimum Spanning Tree (MST) algorithm on the 9-years Fermi-LAT sky (Pass 8) at energies higher than 10 GeV. The extragalactic sky at absolute Galactic latitudes above 20 degrees has been investigated using rather restrictive selection criteria, resulting in a total sample of 1342 sources. Of these, 249 are new detections, not previously associated with gamma-ray catalogues. A large fraction of them have interesting counterparts, most likely blazars. In this paper the main results on the catalogue selection and search of counterparts are reported.
| Comments: | 18 pages, 10 figures. Accepted for publication in Astronomy & Astrophysics |
| Subjects: | High Energy Astrophysical Phenomena (astro-ph.HE); Astrophysics of Galaxies (astro-ph.GA) |
| Cite as: | arXiv:1808.01176 [astro-ph.HE] |
| (or arXiv:1808.01176v1 [astro-ph.HE] for this version) | |
| https://doi.org/10.48550/arXiv.1808.01176
arXiv-issued DOI via DataCite
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| Journal reference: | A&A 619, A23 (2018) |
| Related DOI: | https://doi.org/10.1051/0004-6361/201833360
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