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Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A (CROSBI ID 255277)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

(IceCube Collaboration ; MAGIC Collaboration ; Fermi-LAT Collaboration ; AGILE Collaboration ; ASAS-SN Collaboration ; HAWC Collaboration ; H.E.S.S. Collaboration ; INTEGRAL Collaboration ; Kanata Collaboration ; Kiso Collaboration ; Kapteyn Collaboration) Babić, Ana ; ... ; Dominis Prester, Dijana ; ... ; Godinović, Nikola ; ... ; Hrupec, Dario ; ... ; Lelas, Damir ; ... et al. Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A // Science, 361 (2018), 6398; eaat1378, 8. doi: 10.1126/science.aat1378

Podaci o odgovornosti

Babić, Ana ; ... ; Dominis Prester, Dijana ; ... ; Godinović, Nikola ; ... ; Hrupec, Dario ; ... ; Lelas, Damir ; ... ; Manganaro, Marina ; ... ; Puljak, Ivica ; ... ; Šnidarić, Iva ; ... ; Surić, Tihomir ; ... ; Terzić, Tomislav ; ... ; Zarić, Darko

IceCube Collaboration ; MAGIC Collaboration ; Fermi-LAT Collaboration ; AGILE Collaboration ; ASAS-SN Collaboration ; HAWC Collaboration ; H.E.S.S. Collaboration ; INTEGRAL Collaboration ; Kanata Collaboration ; Kiso Collaboration ; Kapteyn Collaboration

engleski

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

Previous detections of individual astrophysical sources of neutrinos are limited to the Sun and the supernova 1987A, whereas the origins of the diffuse flux of high-energy cosmic neutrinos remain unidentified. On 22 September 2017, we detected a high-energy neutrino, IceCube-170922A, with an energy of e 290 tera–electron volts. Its arrival direction was consistent with the location of a known gamma-ray blazar, TXS 0506+056, observed to be in a flaring state. An extensive multiwavelength campaign followed, ranging from radio frequencies to g-rays. These observations characterize the variability and energetics of the blazar and include the detection of TXS 0506+056 in very-high-energy g-rays. This observation of a neutrino in spatial coincidence with a gamma-ray–emitting blazar during an active phase suggests that blazars may be a source of high-energy neutrinos.

neutrino event IceCube-170922A ; gamma-ray blazar TXS 0506+056

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nije evidentirano

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Podaci o izdanju

361 (6398)

2018.

eaat1378

8

objavljeno

0036-8075

1095-9203

10.1126/science.aat1378

Povezanost rada

Fizika

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