Related papers: A Time-Variability Test for Candidate Neutrino Sou…

A test of the hadronic origin of $\gamma$-rays from blazars with up to month-later follow-up of IceCube Alerts with Imaging Air Cherenkov Telescopes

The sources of IceCube neutrinos are as yet unknown. The multi-messenger observation of their emission in $\gamma$-rays can be a guide to their identification, as exemplified by the case of TXS 0506+056. We suggest a new method of searching…

High Energy Astrophysical Phenomena · Physics 2021-09-01 Damiano F. G. Fiorillo , Konstancja Satalecka , Ignacio Taboada , Chun Fai Tung

All-sky search for time-integrated neutrino emission from astrophysical sources with 7 years of IceCube data

Since the recent detection of an astrophysical flux of high energy neutrinos, the question of its origin has not yet fully been answered. Much of what is known about this flux comes from a small event sample of high neutrino purity, good…

High Energy Astrophysical Phenomena · Physics 2017-02-03 IceCube Collaboration , M. G. Aartsen , K. Abraham , M. Ackermann , J. Adams , J. A. Aguilar , M. Ahlers , M. Ahrens , D. Altmann , K. Andeen , T. Anderson , I. Ansseau , G. Anton , M. Archinger , C. Argüelles , J. Auffenberg , S. Axani , X. Bai , S. W. Barwick , V. Baum , R. Bay , J. J. Beatty , J. Becker Tjus , K. -H. Becker , S. BenZvi , D. Berley , E. Bernardini , A. Bernhard , D. Z. Besson , G. Binder , D. Bindig , M. Bissok , E. Blaufuss , S. Blot , C. Bohm , M. Börner , F. Bos , D. Bose , S. Böser , O. Botner , J. Braun , L. Brayeur , H. -P. Bretz , S. Bron , A. Burgman , T. Carver , M. Casier , E. Cheung , D. Chirkin , A. Christov , K. Clark , L. Classen , S. Coenders , G. H. Collin , J. M. Conrad , D. F. Cowen , R. Cross , M. Day , J. P. A. M. de André , C. De Clercq , E. del Pino Rosendo , H. Dembinski , S. De Ridder , P. Desiati , K. D. de Vries , G. de Wasseige , M. de With , T. DeYoung , J. C. Díaz-Vélez , V. di Lorenzo , H. Dujmovic , J. P. Dumm , M. Dunkman , B. Eberhardt , T. Ehrhardt , B. Eichmann , P. Eller , S. Euler , P. A. Evenson , S. Fahey , A. R. Fazely , J. Feintzeig , J. Felde , K. Filimonov , C. Finley , S. Flis , C. -C. Fösig , A. Franckowiak , E. Friedman , T. Fuchs , T. K. Gaisser , J. Gallagher , L. Gerhardt , K. Ghorbani , W. Giang , L. Gladstone , T. Glauch , T. Glüsenkamp , A. Goldschmidt , G. Golup , J. G. Gonzalez , D. Grant , Z. Griffith , C. Haack , A. Haj Ismail , A. Hallgren , F. Halzen , E. Hansen , T. Hansmann , K. Hanson , D. Hebecker , D. Heereman , K. Helbing , R. Hellauer , S. Hickford , J. Hignight , G. C. Hill , K. D. Hoffman , R. Hoffmann , K. Holzapfel , K. Hoshina , F. Huang , M. Huber , K. Hultqvist , S. In , A. Ishihara , E. Jacobi , G. S. Japaridze , M. Jeong , K. Jero , B. J. P. Jones , M. Jurkovic , A. Kappes , T. Karg , A. Karle , U. Katz , M. Kauer , A. Keivani , J. L. Kelley , A. Kheirandish , M. Kim , T. Kintscher , J. Kiryluk , T. Kittler , S. R. Klein , G. Kohnen , R. Koirala , H. Kolanoski , R. Konietz , L. Köpke , C. Kopper , S. Kopper , D. J. Koskinen , M. Kowalski , K. Krings , M. Kroll , G. Krückl , C. Krüger , J. Kunnen , S. Kunwar , N. Kurahashi , T. Kuwabara , M. Labare , J. L. Lanfranchi , M. J. Larson , F. Lauber , D. Lennarz , M. Lesiak-Bzdak , M. Leuermann , L. Lu , J. Lünemann , J. Madsen , G. Maggi , K. B. M. Mahn , S. Mancina , M. Mandelartz , R. Maruyama , K. Mase , R. Maunu , F. McNally , K. Meagher , M. Medici , M. Meier , A. Meli , T. Menne , G. Merino , T. Meures , S. Miarecki , L. Mohrmann , T. Montaruli , M. Moulai , R. Nahnhauer , U. Naumann , G. Neer , H. Niederhausen , S. C. Nowicki , D. R. Nygren , A. Obertacke Pollmann , A. Olivas , A. O'Murchadha , T. Palczewski , H. Pandya , D. V. Pankova , P. Peiffer , Ö. Penek , J. A. Pepper , C. Pérez de los Heros , D. Pieloth , E. Pinat , P. B. Price , G. T. Przybylski , M. Quinnan , C. Raab , L. Rädel , M. Rameez , K. Rawlins , R. Reimann , B. Relethford , M. Relich , E. Resconi , W. Rhode , M. Richman , B. Riedel , S. Robertson , M. Rongen , C. Rott , T. Ruhe , D. Ryckbosch , D. Rysewyk , L. Sabbatini , S. E. Sanchez Herrera , A. Sandrock , J. Sandroos , S. Sarkar , K. Satalecka , P. Schlunder , T. Schmidt , S. Schoenen , S. Schöneberg , L. Schumacher , D. Seckel , S. Seunarine , D. Soldin , M. Song , G. M. Spiczak , C. Spiering , T. Stanev , A. Stasik , J. Stettner , A. Steuer , T. Stezelberger , R. G. Stokstad , A. Stößl , R. Ström , N. L. Strotjohann , G. W. Sullivan , M. Sutherland , H. Taavola , I. Taboada , J. Tatar , F. Tenholt , S. Ter-Antonyan , A. Terliuk , G. Tešić , S. Tilav , P. A. Toale , M. N. Tobin , S. Toscano , D. Tosi , M. Tselengidou , A. Turcati , E. Unger , M. Usner , J. Vandenbroucke , N. van Eijndhoven , S. Vanheule , M. van Rossem , J. van Santen , J. Veenkamp , M. Vehring , M. Voge , E. Vogel , M. Vraeghe , C. Walck , A. Wallace , M. Wallraff , N. Wandkowsky , Ch. Weaver , M. J. Weiss , C. Wendt , S. Westerhoff , B. J. Whelan , S. Wickmann , K. Wiebe , C. H. Wiebusch , L. Wille , D. R. Williams , L. Wills , M. Wolf , T. R. Wood , E. Woolsey , K. Woschnagg , D. L. Xu , X. W. Xu , Y. Xu , J. P. Yanez , G. Yodh , S. Yoshida , M. Zoll

IceCube as a Multi-messenger Follow-up Observatory for Astrophysical Transients

The recent association between IC-170922A and the blazar TXS0506+056 highlights the importance of real-time observations for identifying possible astrophysical neutrino sources. Thanks to its near-100\% duty cycle, 4$\pi$ steradian field of…

High Energy Astrophysical Phenomena · Physics 2019-09-13 Kevin Meagher , Alex Pizzuto , Justin Vandenbroucke

Testing secret interaction with astrophysical neutrino point sources

Recently, the IceCube collaboration observed a neutrino excess in the direction of NGC 1068 with high statistical significance. This constitutes the second detection of an astrophysical neutrino point source after the discovery of a…

High Energy Physics - Phenomenology · Physics 2024-06-17 C. Döring , S. Vogl

A multi-messenger study of the blazar PKS 0735+178: a new major neutrino source candidate

The blazar PKS 0735+178 is possibly associated with multiple neutrino events observed by the IceCube, Baikal, Baksan, and KM3NeT neutrino telescopes while it was flaring in the $\gamma$-ray, X-ray, ultraviolet and optical bands. We present…

High Energy Astrophysical Phenomena · Physics 2022-12-21 N. Sahakyan , P. Giommi , P. Padovani , M. Petropoulou , D. Bégué , B. Boccardi , S. Gasparyan

Analyzing the gamma-ray activity of neutrino emitter candidates: comparing TXS 0506+056 with other blazars

On 22nd of September 2017 the IceCube collaboration sent an alert for an EHE (Extreme High Energy) event, corresponding to the reconstruction of a muonic neutrino (IC-170922A) with energy $\sim 290$ TeV. A multi-wavelength follow-up…

High Energy Astrophysical Phenomena · Physics 2021-08-18 Antonio Marinelli , J. Rodrigo Sacahui , Ankur Sharma , Mabel Osorio-Archila

Mid-infrared variability of the neutrino source blazar TXS 0506$+$056

The IceCube instrument detected a high-energy cosmic neutrino event on 2017 September 22 (IceCube_170922A, IceCube Collaboration 2018), which the electromagnetic follow-up campaigns associated with the flaring $\gamma$-ray blazar TXS…

Astrophysics of Galaxies · Physics 2018-08-06 K. É. Gabányi , A. Moór , S. Frey

Search for GeV flare coincident with the IceCube neutrino flare

Recently the IceCube collaboration and 15 other collaborations reported the spatial and temporal coincidence between the neutrino event IceCube-170922A and the radio-TeV activity of the blazar TXS 0506+056. Their further analysis on 9.5…

High Energy Astrophysical Phenomena · Physics 2018-08-28 Yun-Feng Liang , Hao-Ning He , Neng-Hui Liao , Yu-Liang Xin , Qiang Yuan , Yi-Zhong Fan

Searching for neutrino emission from hard X-ray sources with IceCube

The IceCube neutrino observatory, a cubic-kilometer particle detector at the South Pole, first announced the discovery of an astrophysical flux of high-energy neutrinos in the TeV-PeV range in 2013, followed in 2017 by the detection of a…

High Energy Astrophysical Phenomena · Physics 2019-08-15 Marcos Santander

Dissecting the region around IceCube-170922A: the blazar TXS 0506+056 as the first cosmic neutrino source

We present the dissection in space, time, and energy of the region around the IceCube-170922A neutrino alert. This study is motivated by: (1) the first association between a neutrino alert and a blazar in a flaring state, TXS 0506+056; (2)…

High Energy Astrophysical Phenomena · Physics 2018-07-13 P. Padovani , P. Giommi , E. Resconi , T. Glauch , B. Arsioli , N. Sahakyan , M. Huber

Search for a neutrino flux from LS I +61 303 based on a time dependent model with IceCube

We present a search based on a time dependent neutrino flux prediction from the X-ray binary LS I +61 303. Results from data taken with the 22 and 40 strings of IceCube are compatible with background fluctuations.

High Energy Astrophysical Phenomena · Physics 2019-08-14 Levent Demirörs

A Search for Neutrino Sources with Cascade Events in IceCube

IceCube has discovered a flux of astrophysical neutrinos, and more recently has used muon-neutrino datasets to present evidence for one source; a flaring blazar known as TXS 0506+056. However, the sources responsible for the majority of the…

High Energy Astrophysical Phenomena · Physics 2021-07-21 Steve Sclafani , Mirco Hünnefeld

A search for time-dependent astrophysical neutrino emission with IceCube data from 2012 to 2017

High-energy neutrinos are unique messengers of the high-energy universe, tracing the processes of cosmic-ray acceleration. This paper presents analyses focusing on time-dependent neutrino point-source searches. A scan of the whole sky,…

High Energy Astrophysical Phenomena · Physics 2021-06-15 IceCube Collaboration , R. Abbasi , M. Ackermann , J. Adams , J. A. Aguilar , M. Ahlers , M. Ahrens , C. Alispach , A. A. Alves , N. M. Amin , R. An , K. Andeen , T. Anderson , I. Ansseau , G. Anton , C. Argüelles , S. Axani , X. Bai , A. Balagopal V. , A. Barbano , S. W. Barwick , B. Bastian , V. Basu , V. Baum , S. Baur , R. Bay , J. J. Beatty , K. -H. Becker , J. Becker Tjus , C. Bellenghi , S. BenZvi , D. Berley , E. Bernardini , D. Z. Besson , G. Binder , D. Bindig , E. Blaufuss , S. Blot , S. Böser , O. Botner , J. Böttcher , E. Bourbeau , J. Bourbeau , F. Bradascio , J. Braun , S. Bron , J. Brostean-Kaiser , A. Burgman , R. S. Busse , M. A. Campana , C. Chen , D. Chirkin , S. Choi , B. A. Clark , K. Clark , L. Classen , A. Coleman , G. H. Collin , J. M. Conrad , P. Coppin , P. Correa , D. F. Cowen , R. Cross , P. Dave , C. De Clercq , J. J. DeLaunay , H. Dembinski , K. Deoskar , S. De Ridder , A. Desai , P. Desiati , K. D. de Vries , G. de Wasseige , M. de With , T. DeYoung , S. Dharani , A. Diaz , J. C. Díaz-Vélez , H. Dujmovic , M. Dunkman , M. A. DuVernois , E. Dvorak , T. Ehrhardt , P. Eller , R. Engel , J. Evans , P. A. Evenson , S. Fahey , A. R. Fazely , S. Fiedlschuster , A. T. Fienberg , K. Filimonov , C. Finley , L. Fischer , D. Fox , A. Franckowiak , E. Friedman , A. Fritz , P. Fürst , T. K. Gaisser , J. Gallagher , E. Ganster , S. Garrappa , L. Gerhardt , A. Ghadimi , C. Glaser , T. Glauch , T. Glüsenkamp , A. Goldschmidt , J. G. Gonzalez , S. Goswami , D. Grant , T. Grégoire , Z. Griffith , S. Griswold , M. Gündüz , C. Haack , A. Hallgren , R. Halliday , L. Halve , F. Halzen , M. Ha Minh , K. Hanson , J. Hardin , A. A. Harnisch , A. Haungs , S. Hauser , D. Hebecker , K. Helbing , F. Henningsen , E. C. Hettinger , S. Hickford , J. Hignight , C. Hill , G. C. Hill , K. D. Hoffman , R. Hoffmann , T. Hoinka , B. Hokanson-Fasig , K. Hoshina , F. Huang , M. Huber , T. Huber , K. Hultqvist , M. Hünnefeld , R. Hussain , S. In , N. Iovine , A. Ishihara , M. Jansson , G. S. Japaridze , M. Jeong , B. J. P. Jones , R. Joppe , D. Kang , W. Kang , X. Kang , A. Kappes , D. Kappesser , T. Karg , M. Karl , A. Karle , U. Katz , M. Kauer , M. Kellermann , J. L. Kelley , A. Kheirandish , J. Kim , K. Kin , T. Kintscher , J. Kiryluk , S. R. Klein , R. Koirala , H. Kolanoski , L. Köpke , C. Kopper , S. Kopper , D. J. Koskinen , P. Koundal , M. Kovacevich , M. Kowalski , K. Krings , G. Krückl , N. Kurahashi , A. Kyriacou , C. Lagunas Gualda , J. L. Lanfranchi , M. J. Larson , F. Lauber , J. P. Lazar , K. Leonard , A. Leszczyńska , Y. Li , Q. R. Liu , E. Lohfink , C. J. Lozano Mariscal , L. Lu , F. Lucarelli , A. Ludwig , W. Luszczak , Y. Lyu , W. Y. Ma , J. Madsen , K. B. M. Mahn , Y. Makino , P. Mallik , S. Mancina , I. C. Mariş , R. Maruyama , K. Mase , F. McNally , K. Meagher , A. Medina , M. Meier , S. Meighen-Berger , J. Merz , J. Micallef , D. Mockler , G. Momenté , T. Montaruli , R. W. Moore , R. Morse , M. Moulai , R. Naab , R. Nagai , U. Naumann , J. Necker , L. V. Nguyên , H. Niederhausen , M. U. Nisa , S. C. Nowicki , D. R. Nygren , A. Obertacke Pollmann , M. Oehler , A. Olivas , E. O'Sullivan , H. Pandya , D. V. Pankova , N. Park , G. K. Parker , E. N. Paudel , P. Peiffer , C. Pérez de los Heros , S. Philippen , D. Pieloth , S. Pieper , A. Pizzuto , M. Plum , Y. Popovych , A. Porcelli , M. Prado Rodriguez , P. B. Price , B. Pries , G. T. Przybylski , C. Raab , A. Raissi , M. Rameez , K. Rawlins , I. C. Rea , A. Rehman , R. Reimann , M. Renschler , G. Renzi , E. Resconi , S. Reusch , W. Rhode , M. Richman , B. Riedel , S. Robertson , G. Roellinghoff , M. Rongen , C. Rott , T. Ruhe , D. Ryckbosch , D. Rysewyk Cantu , I. Safa , S. E. Sanchez Herrera , A. Sandrock , J. Sandroos , M. Santander , S. Sarkar , S. Sarkar , K. Satalecka , M. Scharf , M. Schaufel , H. Schieler , P. Schlunder , T. Schmidt , A. Schneider , J. Schneider , F. G. Schröder , L. Schumacher , S. Sclafani , D. Seckel , S. Seunarine , S. Shefali , M. Silva , B. Skrzypek , B. Smithers , R. Snihur , J. Soedingrekso , D. Soldin , G. M. Spiczak , C. Spiering , J. Stachurska , M. Stamatikos , T. Stanev , R. Stein , J. Stettner , A. Steuer , T. Stezelberger , R. G. Stokstad , T. Stuttard , G. W. Sullivan , I. Taboada , F. Tenholt , S. Ter-Antonyan , S. Tilav , F. Tischbein , K. Tollefson , L. Tomankova , C. Tönnis , S. Toscano , D. Tosi , A. Trettin , M. Tselengidou , C. F. Tung , A. Turcati , R. Turcotte , C. F. Turley , J. P. Twagirayezu , B. Ty , M. A. Unland Elorrieta , J. Vandenbroucke , D. van Eijk , N. van Eijndhoven , D. Vannerom , J. van Santen , S. Verpoest , M. Vraeghe , C. Walck , A. Wallace , T. B. Watson , C. Weaver , A. Weindl , M. J. Weiss , J. Weldert , C. Wendt , J. Werthebach , M. Weyrauch , B. J. Whelan , N. Whitehorn , K. Wiebe , C. H. Wiebusch , D. R. Williams , M. Wolf , K. Woschnagg , G. Wrede , J. Wulff , X. W. Xu , Y. Xu , J. P. Yanez , S. Yoshida , T. Yuan , Z. Zhang

VERITAS follow-up observation of the blazar TXS 0506+056

The gamma-ray blazar TXS 0506+056 was found with an enhanced gamma-ray emission state in spatial and temporal coincidence with the IceCube high energy neutrino event IC170922A. This is the most significant association by far between a…

High Energy Astrophysical Phenomena · Physics 2021-08-16 Weidong Jin , RileyAnne Sharpe

Time-Integrated Searches for Point-like Sources of Neutrinos with the 40-String IceCube Detector

We present the results of time-integrated searches for astrophysical neutrino sources in both the northern and southern skies. Data were collected using the partially-completed IceCube detector in the 40-string configuration between 2008…

High Energy Astrophysical Phenomena · Physics 2011-04-20 The IceCube Collaboration , R. Abbasi

Multi-epoch leptohadronic modeling of neutrino source candidate blazar PKS 0735+178

The origin of the astrophysical neutrino flux discovered by IceCube remains largely unknown. Several individual neutrino source candidates were observed. Among them is the gamma-ray flaring blazar TXS 0506+056. A similar coincidence of a…

High Energy Astrophysical Phenomena · Physics 2025-04-02 A. Omeliukh , S. Garrappa , V. Fallah Ramazani , A. Franckowiak , W. Winter , E. Lindfors , K. Nilsson , J. Jormanainen , F. Wierda , A. V. Filippenko , W. Zheng , M. Tornikoski , A. Lähteenmäki , S. Kankkunenand , J. Tammi

The Stochastic Dissipation Model for the Steady State Neutrino and Multi-Wavelength Emission of TXS 0506+056

The blazar TXS 0506+056 has been suggested to be a potential high-energy neutrino source thanks to the observations of IceCube, which found outburst-like neutrino emissions during 2014-2015 and 2017 in the transient emission search, and a…

High Energy Astrophysical Phenomena · Physics 2025-09-19 Zhen-Jie Wang , Ruo-Yu Liu , Xiang-Yu Wang

Neutrino emission from the direction of the blazar TXS 0506+056 prior to the IceCube-170922A alert

A high-energy neutrino event detected by IceCube on 22 September 2017 was coincident in direction and time with a gamma-ray flare from the blazar TXS 0506+056. Prompted by this association, we investigated 9.5 years of IceCube neutrino…

High Energy Astrophysical Phenomena · Physics 2018-07-25 IceCube Collaboration

Ten years of All-sky Neutrino Point-Source Searches

These proceedings present the results of point-like neutrino source searches using ~10 yrs of IceCube data from Apr.~6, 2008 to Jul.~10, 2018. We evaluate the significance of an astrophysical signal from a point-like source looking for an…

High Energy Astrophysical Phenomena · Physics 2019-08-19 Tessa Carver

All-flavor Time-dependent Search for Transient Neutrino Sources

Transient sources are among the preferred candidates for the sources of high-energy neutrino emission. Intriguing examples so far include blazar flares and tidal disruption events coincident with IceCube neutrinos. Here, we report the first…

High Energy Astrophysical Phenomena · Physics 2025-07-14 Jose Carpio , Ali Kheirandish , Hans Niederhausen