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Title: HIGH-ENERGY NEUTRINOS FROM RECENT BLAZAR FLARES

Abstract

The energy density of cosmic neutrinos measured by IceCube matches the one observed by Fermi in extragalactic photons that predominantly originate in blazars. This has inspired attempts to match Fermi sources with IceCube neutrinos. A spatial association combined with a coincidence in time with a flaring source may represent a smoking gun for the origin of the IceCube flux. In 2015 June, the Fermi Large Area Telescope observed an intense flare from blazar 3C 279 that exceeded the steady flux of the source by a factor of 40 for the duration of a day. We show that IceCube is likely to observe neutrinos, if indeed hadronic in origin, in data that are still blinded at this time. We also discuss other opportunities for coincident observations that include a recent flare from blazar 1ES 1959+650 that previously produced an intriguing coincidence with AMANDA observations.

Authors:
;  [1]
  1. Wisconsin IceCube Particle Astrophysics Center and Department of Physics, University of Wisconsin, Madison, WI 53706 (United States)
Publication Date:
OSTI Identifier:
22667285
Resource Type:
Journal Article
Journal Name:
Astrophysical Journal
Additional Journal Information:
Journal Volume: 831; Journal Issue: 1; Other Information: Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0004-637X
Country of Publication:
United States
Language:
English
Subject:
79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; COSMIC NEUTRINOS; ENERGY DENSITY; GALAXIES; ICECUBE NEUTRINO DETECTOR; STARS; STELLAR FLARES; TELESCOPES

Citation Formats

Halzen, Francis, and Kheirandish, Ali. HIGH-ENERGY NEUTRINOS FROM RECENT BLAZAR FLARES. United States: N. p., 2016. Web. doi:10.3847/0004-637X/831/1/12.
Halzen, Francis, & Kheirandish, Ali. HIGH-ENERGY NEUTRINOS FROM RECENT BLAZAR FLARES. United States. https://doi.org/10.3847/0004-637X/831/1/12
Halzen, Francis, and Kheirandish, Ali. 2016. "HIGH-ENERGY NEUTRINOS FROM RECENT BLAZAR FLARES". United States. https://doi.org/10.3847/0004-637X/831/1/12.
@article{osti_22667285,
title = {HIGH-ENERGY NEUTRINOS FROM RECENT BLAZAR FLARES},
author = {Halzen, Francis and Kheirandish, Ali},
abstractNote = {The energy density of cosmic neutrinos measured by IceCube matches the one observed by Fermi in extragalactic photons that predominantly originate in blazars. This has inspired attempts to match Fermi sources with IceCube neutrinos. A spatial association combined with a coincidence in time with a flaring source may represent a smoking gun for the origin of the IceCube flux. In 2015 June, the Fermi Large Area Telescope observed an intense flare from blazar 3C 279 that exceeded the steady flux of the source by a factor of 40 for the duration of a day. We show that IceCube is likely to observe neutrinos, if indeed hadronic in origin, in data that are still blinded at this time. We also discuss other opportunities for coincident observations that include a recent flare from blazar 1ES 1959+650 that previously produced an intriguing coincidence with AMANDA observations.},
doi = {10.3847/0004-637X/831/1/12},
url = {https://www.osti.gov/biblio/22667285}, journal = {Astrophysical Journal},
issn = {0004-637X},
number = 1,
volume = 831,
place = {United States},
year = {Tue Nov 01 00:00:00 EDT 2016},
month = {Tue Nov 01 00:00:00 EDT 2016}
}