IceCube data shows a 4σ neutrino flare spatially and temporally coincident with SN 2021foa, interpreted as evidence for neutrino emission powered by a choked jet from a delayed central engine.
IceCube Second Track Data Release IceTracks-DR2: Data from 2008-2022 for Neutrino Source Searches
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abstract
We present IceCube's latest release of muon track data for neutrino point-source searches, extending the previously published 10-year dataset to cover 14 years of observations (April 6, 2008 - May 23, 2022). This release features an updated event selection and improved detector calibration for data recorded after June 1, 2010. The release also includes binned instrument response functions and effective areas, enabling the community to perform sensitive searches for steady and transient neutrino sources. We report on key science results obtained with this dataset using internal IceCube analysis tools and compare them to those derived from analyses based on the binned response functions included in this public release. To facilitate reproducible research, we provide benchmark results obtained using this data release and publicly available software. This release represents IceCube's most sensitive and comprehensive publicly available all-sky muon track dataset to date and should be preferred over previous releases.
fields
astro-ph.HE 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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A high-energy neutrino flare associated with nearby bright interacting supernova SN 2021foa
IceCube data shows a 4σ neutrino flare spatially and temporally coincident with SN 2021foa, interpreted as evidence for neutrino emission powered by a choked jet from a delayed central engine.