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IceCat-1: The IceCube Event Catalog of Alert Tracks
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).ORCID iD: 0000-0002-1668-2347
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).ORCID iD: 0000-0003-3350-390x
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
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Number of Authors: 3942023 (English)In: Astrophysical Journal Supplement Series, ISSN 0067-0049, E-ISSN 1538-4365, Vol. 269, no 1, article id 25Article in journal (Refereed) Published
Abstract [en]

We present a catalog of likely astrophysical neutrino track-like events from the IceCube Neutrino Observatory. IceCube began reporting likely astrophysical neutrinos in 2016, and this system was updated in 2019. The catalog presented here includes events that were reported in real time since 2019, as well as events identified in archival data samples starting from 2011. We report 275 neutrino events from two selection channels as the first entries in the catalog, the IceCube Event Catalog of Alert Tracks, which will see ongoing extensions with additional alerts. The Gold and Bronze alert channels respectively provide neutrino candidates with a 50% and 30% probability of being astrophysical, on average assuming an astrophysical neutrino power-law energy spectral index of 2.19. For each neutrino alert, we provide the reconstructed energy, direction, false-alarm rate, probability of being astrophysical in origin, and likelihood contours describing the spatial uncertainty in the alert's reconstructed location. We also investigate a directional correlation of these neutrino events with gamma-ray and X-ray catalogs, including 4FGL, 3HWC, TeVCat, and Swift-BAT.

Place, publisher, year, edition, pages
2023. Vol. 269, no 1, article id 25
Keywords [en]
Neutrino astronomy, Astronomical methods, High energy astrophysics
National Category
Astronomy, Astrophysics and Cosmology Subatomic Physics
Identifiers
URN: urn:nbn:se:su:diva-225392DOI: 10.3847/1538-4365/acfa95ISI: 001102897500001Scopus ID: 2-s2.0-85180438183OAI: oai:DiVA.org:su-225392DiVA, id: diva2:1829231
Available from: 2024-01-18 Created: 2024-01-18 Last updated: 2024-01-18Bibliographically approved

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Deoskar, KunalFinley, ChadHidvegi, AttilaHultqvist, KlasJansson, MattiWalck, Christian

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Deoskar, KunalFinley, ChadHidvegi, AttilaHultqvist, KlasJansson, MattiWalck, Christian
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Astrophysical Journal Supplement Series
Astronomy, Astrophysics and CosmologySubatomic Physics

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