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

Icecube Collaboration; Fermi-LAT collaboration; MAGIC Collaboration; AGILE; ASAS-SN; HAWC; H.E.S.S.; INTEGRAL; Kanata, Kiso, and Subaru observing teams; Kapteyn; Liverpool telescope; Swift/NuSTAR; VERITAS; VLA/17B-403 team

doi:10.1126/science.aat1378

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

Icecube Collaboration
, Fermi-LAT collaboration
, MAGIC Collaboration
, AGILE
, ASAS-SN
, HAWC
, H.E.S.S.
, INTEGRAL
, Kanata, Kiso, and Subaru observing teams
, Kapteyn
, Liverpool telescope
, Swift/NuSTAR
, VERITAS
, VLA/17B-403 team

Physics and Astronomy

University of Canterbury
German Electron Synchrotron
Université libre de Bruxelles
University of Copenhagen
Oskar Klein Centre
University of Geneva
Friedrich-Alexander University Erlangen-Nürnberg
Marquette University
Pennsylvania State University
Massachusetts Institute of Technology
RWTH Aachen University
South Dakota School of Mines & Technology
University of Alberta
University of California at Irvine
Johannes Gutenberg University Mainz
University of California at Berkeley
Ohio State University
Ruhr University Bochum
University of Wuppertal
University of Rochester
University of Maryland, College Park
University of Padua
Humboldt University of Berlin
University of Kansas
Lawrence Berkeley National Laboratory
TU Dortmund University
Uppsala University
University of Wisconsin-Madison

Research output: Contribution to journal › Article › peer-review

1210 Scopus citations

Abstract

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 e290 tera-electron volts. Its arrival direction was consistent with the location of a known g-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 g-ray-emitting blazar during an active phase suggests that blazars may be a source of high-energy neutrinos.

Original language	English
Article number	eaat1378
Journal	Science
Volume	361
Issue number	6398
DOIs	https://doi.org/10.1126/science.aat1378
State	Published - Jul 13 2018

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Icecube Collaboration, Fermi-LAT collaboration, MAGIC Collaboration, AGILE, ASAS-SN, HAWC, H.E.S.S., INTEGRAL, Kanata, Kiso, and Subaru observing teams, Kapteyn, Liverpool telescope, Swift/NuSTAR, VERITAS, & VLA/17B-403 team (2018). Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A. Science, 361(6398), Article eaat1378. https://doi.org/10.1126/science.aat1378

@article{510f88f7502443b0b0dda1414bf2cce8,

title = "Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A",

abstract = "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 e290 tera-electron volts. Its arrival direction was consistent with the location of a known g-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 g-ray-emitting blazar during an active phase suggests that blazars may be a source of high-energy neutrinos.",

author = "\{Icecube Collaboration\} and \{Fermi-LAT collaboration\} and \{MAGIC Collaboration\} and AGILE and ASAS-SN and HAWC and H.E.S.S. and INTEGRAL and \{Kanata, Kiso, and Subaru observing teams\} and Kapteyn and \{Liverpool telescope\} and Swift/NuSTAR and VERITAS and \{VLA/17B-403 team\} and Aartsen, \{M. G.\} and M. Ackermann and J. Adams and Aguilar, \{J. A.\} and M. Ahlers and M. Ahrens and \{Al Samarai\}, I. and D. Altmann and K. Andeen and T. Anderson and I. Ansseau and G. Anton and C. Arg{\"u}elles and J. Auffenberg and S. Axani and H. Bagherpour and X. Bai and Barron, \{J. P.\} and Barwick, \{S. W.\} and V. Baum and R. Bay and Beatty, \{J. J.\} and \{Becker Tjus\}, J. and Becker, \{K. H.\} and S. Benzvi and D. Berley and E. Bernardini and Besson, \{D. Z.\} and G. Binder and D. Bindig and E. Blaufuss and S. Blot and C. Bohm and M. B{\"o}rner and F. Bos and S. B{\"o}ser and O. Botner and E. Bourbeau and J. Bourbeau and F. Bradascio and J. Braun and M. Brenzke and Bretz, \{H. P.\} and S. Bron and J. Brostean-Kaiser and A. Burgman and Busse, \{R. S.\} and T. Carver and E. Cheung and J. Kiryluk",

note = "Publisher Copyright: {\textcopyright} The Authors, some rights reserved.",

year = "2018",

month = jul,

day = "13",

doi = "10.1126/science.aat1378",

language = "English",

volume = "361",

journal = "Science",

issn = "0036-8075",

number = "6398",

}

Icecube Collaboration, Fermi-LAT collaboration, MAGIC Collaboration, AGILE, ASAS-SN, HAWC, H.E.S.S., INTEGRAL, Kanata, Kiso, and Subaru observing teams, Kapteyn, Liverpool telescope, Swift/NuSTAR, VERITAS & VLA/17B-403 team 2018, 'Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A', Science, vol. 361, no. 6398, eaat1378. https://doi.org/10.1126/science.aat1378

TY - JOUR

T1 - Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A

AU - Icecube Collaboration

AU - Fermi-LAT collaboration

AU - MAGIC Collaboration

AU - AGILE

AU - ASAS-SN

AU - HAWC

AU - H.E.S.S.

AU - INTEGRAL

AU - Kanata, Kiso, and Subaru observing teams

AU - Kapteyn

AU - Liverpool telescope

AU - Swift/NuSTAR

AU - VERITAS

AU - VLA/17B-403 team

AU - Aartsen, M. G.

AU - Ackermann, M.

AU - Adams, J.

AU - Aguilar, J. A.

AU - Ahlers, M.

AU - Ahrens, M.

AU - Al Samarai, I.

AU - Altmann, D.

AU - Andeen, K.

AU - Anderson, T.

AU - Ansseau, I.

AU - Anton, G.

AU - Argüelles, C.

AU - Auffenberg, J.

AU - Axani, S.

AU - Bagherpour, H.

AU - Bai, X.

AU - Barron, J. P.

AU - Barwick, S. W.

AU - Baum, V.

AU - Bay, R.

AU - Beatty, J. J.

AU - Becker Tjus, J.

AU - Becker, K. H.

AU - Benzvi, S.

AU - Berley, D.

AU - Bernardini, E.

AU - Besson, D. Z.

AU - Binder, G.

AU - Bindig, D.

AU - Blaufuss, E.

AU - Blot, S.

AU - Bohm, C.

AU - Börner, M.

AU - Bos, F.

AU - Böser, S.

AU - Botner, O.

AU - Bourbeau, E.

AU - Bourbeau, J.

AU - Bradascio, F.

AU - Braun, J.

AU - Brenzke, M.

AU - Bretz, H. P.

AU - Bron, S.

AU - Brostean-Kaiser, J.

AU - Burgman, A.

AU - Busse, R. S.

AU - Carver, T.

AU - Cheung, E.

AU - Kiryluk, J.

PY - 2018/7/13

Y1 - 2018/7/13

N2 - 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 e290 tera-electron volts. Its arrival direction was consistent with the location of a known g-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 g-ray-emitting blazar during an active phase suggests that blazars may be a source of high-energy neutrinos.

AB - 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 e290 tera-electron volts. Its arrival direction was consistent with the location of a known g-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 g-ray-emitting blazar during an active phase suggests that blazars may be a source of high-energy neutrinos.

UR - https://www.scopus.com/pages/publications/85050281902

U2 - 10.1126/science.aat1378

DO - 10.1126/science.aat1378

M3 - Article

C2 - 30002226

AN - SCOPUS:85050281902

SN - 0036-8075

VL - 361

JO - Science

JF - Science

IS - 6398

M1 - eaat1378

ER -

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

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