PoS - Proceedings of Science
Volume 444 - 38th International Cosmic Ray Conference (ICRC2023) - Multi Messenger and Gravitational Wave (MM&GW)
Study of blazars detected by Fermi-LAT as high-energy neutrino sources.
A. Galván*, N. Fraija", E. Aguilar-Ruiz", J.A. de Diego Onsurbe" and M.G. Dainotti
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Pre-published on: July 25, 2023
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Abstract
Besides the neutrino source detected by IceCube, NGC 1068, the association of the IceCube-170922A neutrino with the blazar in a flaring state among several wavelengths (from radio up to high-energy (HE) gamma-rays), the site and mechanisms of production of HE neutrino remains in discussion. Extragalactic sources such as Quasars, Blazars, Radio galaxies, and Gamma-ray bursts have been proposed as progenitors of HE neutrinos. In this work, we study the Blazars reported by Fermi-LAT in the 4LAC catalog, which are embedded inside the 90% error of the best-fit position from the neutrinos reported by IceCube. We propose a one-zone lepto-hadronic scenario to describe the broadband Spectral Energy Distribution and then estimate the number of neutrinos to compare with those in the direction of each source. A brief discussion is provided of the results.
DOI: https://doi.org/10.22323/1.444.1552
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