Results from IceCube Follow-up of Nearby Supernova SN2023ixf
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(Published version)
Date
2025
Authors
Schroeder, F.G.
Bontempo, F.
Abbasi, R.
Ackermann, M.
Adams, J.
Agarwalla, S.K.
Aguilar, J.A.
Ahlers, M.
Alameddine, J.M.
Ali, S.
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Conference paper
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Proceedings of Science, 2025, vol.501, pp.1109-1-1109-11
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International Cosmic Ray Conference (ICRC) (14 Jul 2024 - 24 Jul 2025 : Geneva, Switzerland)
Abstract
Core-collapse supernovae are of particular interest in multi-messenger astronomy due to their potential to accelerate cosmic rays and produce high-energy neutrinos. One such supernova is the recent SN2023ixf located in M101 (the Pinwheel Galaxy). It is the closest (6.4 Mpc) and brightest (B band magnitude 10.8) core-collapse supernova in nearly a decade. This supernova likely had a progenitor surrounded by dense circumstellar material which, during the supernova, may have produced neutrinos when ejecta collided with the material. I will present results of a follow-up of this supernova using data collected from the IceCube Neutrino Observatory located at the South Pole. We obtain results consistent with background expectations with time-integrated energy flux (E2 dN/dE) upper limits of 0.35 GeV/cm2 for a 32-day time window and 0.44 GeV/cm2 for a 4-day time window, both at 90% confidence level for an E−2 power law. These correspond to values of 2.7× 1048 erg for the 32-day time window and 3.5× 1048 erg for the 4-day time window at the supernova.
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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).