Sentinel of the extraordinary: the IceCube alert system for neutrino flares
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(Published version)
Date
2024
Authors
Abbasi, R.
Ackermann, M.
Adams, J.
Agarwalla, S.K.
Aguilar, J.A.
Ahlers, M.
Alameddine, J.M.
Amin, N.M.
Andeen, K.
Anton, G.
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Conference paper
Citation
Proceedings of the 38th International Cosmic Ray Conference (ICRC 2023), as published in Proceedings of Science, 2024, vol.444, pp.1500-1-1500-11
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The IceCube Collaboration
Conference Name
38th International Cosmic Ray Conference (ICRC) (26 Jul 2023 - 3 Aug 2023 : Nagoya, Japan)
Abstract
The IceCube Neutrino Observatory has the invaluable capability of continuously monitoring the whole sky. This has affirmed the role of IceCube as a sentinel, providing real-time alerts to the astrophysical community on the detection of high-energy neutrinos and neutrino flares from a variety of astrophysical sources. As a response to the IceCube alerts, different observatories can join forces in the multi-messenger observation of transient events and the characterisation of their astrophysical sources. The 2017 breakthrough identification of blazar TXS 0506+056 as the source of high-energy neutrinos and UHE gamma rays was proof of this strategy. The Gamma-ray Follow-Up (GFU) is the IceCube program for identifying high-energy muon neutrino single events, as well as outstanding neutrino flares from relevant sources and the whole wide universe. While the identification of single high-energy neutrinos is shared on public alert distribution networks, partner Imaging Air Cherenkov Telescopes are sent low-latency alerts following the detection of neutrino flares, for which they have dedicated follow-up programs. I will present an overview of the GFU platform together with new results from the analysis of recorded neutrino flares, after a dozen years of GFU operation and hundreds of alerts being sent.
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Published on: September 27, 2024
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© Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0).