RT Journal Article
T1 Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A
A1 Domínguez Díaz, Alberto
A1 Barrio Uña, Juan Abel
A1 Contreras González, José Luis
A1 Fonseca González, María Victoria
A1 López Moya, Marcos
A1 Nievas Rosillo, Mireia
A1 Fidalgo, David
A1 Sivakoff, Gregory
A2 American Association for the Advancement of Science, 
AB Neutrino emission from a flaring blazar 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.
PB American Association for the Advancement of Science
SN 0036-8075
YR 2018
FD 2018
LK https://hdl.handle.net/20.500.14352/100948
UL https://hdl.handle.net/20.500.14352/100948
LA eng
NO IceCube Collaboration, MAGIC, AGILE, ASAS-SN, HAWC, HESS, ... & Kappesser, D. (2018). Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A. Science, 361(6398), eaat1378.
NO Firmado por 966 autores (MAGIC Collaboration)
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RD 17 abr 2025