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Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A
Journal article   Open access   Peer reviewed

Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A

The IceCube Collaboration, Maryon Ahrens, Christian Bohm, Jan Conrad, Jonathan P. Dumm, Chad Finley, Samuel Flis, Klas Hultqvist, Erin O'Sullivan, Christian Walck, …
Science (American Association for the Advancement of Science), v 361(6398), eaat1378
13 Jul 2018
DOI: https://doi.org/10.1126/science.aat1378
PMID: 30002226
url
https://arxiv.org/abs/1807.08816View
Accepted (AM)arXiv.org - Non-exclusive license to distribute,  Open

Abstract

ESI Highly Cited Paper (Incites)
Neutrinos interact only very weakly with matter, but giant detectors have succeeded in detecting small numbers of astrophysical neutrinos. Aside from a diffuse background, only two individual sources have been identified: the Sun and a nearby supernova in 1987. A multiteam collaboration detected a high-energy neutrino event whose arrival direction was consistent with a known blazar—a type of quasar with a relativistic jet oriented directly along our line of sight. The blazar, TXS 0506+056, was found to be undergoing a gamma-ray flare, prompting an extensive multiwavelength campaign. Motivated by this discovery, the IceCube collaboration examined lower-energy neutrinos detected over the previous several years, finding an excess emission at the location of the blazar. Thus, blazars are a source of astrophysical neutrinos.

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Industry collaboration
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Web of Science research areas
Astronomy & Astrophysics
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