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Results from IceCube Follow-up of Nearby Supernova SN2023ixf

  • Icecube Collaboration
  • University of Delaware
  • RWTH Aachen University
  • Karlsruhe Institute of Technology
  • Adelaide University
  • Loyola University Chicago
  • German Electron Synchrotron
  • University of Canterbury
  • University of Wisconsin-Madison
  • Université libre de Bruxelles
  • University of Copenhagen
  • TU Dortmund University
  • University of Kansas
  • Marquette University
  • Harvard University
  • University of Utah
  • Michigan State University
  • South Dakota School of Mines & Technology
  • University of California at Irvine
  • Technical University of Munich
  • University of California at Berkeley
  • Ohio State University
  • Ruhr University Bochum
  • Uppsala University
  • University of Rochester
  • University of Maryland, College Park
  • University of Padua
  • University of Alabama
  • Johannes Gutenberg University Mainz
  • Georgia Institute of Technology
  • Queen's University Kingston

Research output: Contribution to journalConference articlepeer-review

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.

Original languageEnglish
Article number1109
JournalProceedings of Science
Volume501
DOIs
StatePublished - Dec 30 2025
Event39th International Cosmic Ray Conference, ICRC 2025 - Geneva, Switzerland
Duration: Jul 15 2025Jul 24 2025

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