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Searching for supernova bursts in Super-Kamiokande IV
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(2022) Searching for supernova bursts in Super-Kamiokande IV. The Astrophysical Journal, 938 (1). 35. doi:10.3847/1538-4357/ac8f41 ISSN 0004-637X.
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Official URL: http://dx.doi.org/10.3847/1538-4357/ac8f41
Abstract
Super-Kamiokande has been searching for neutrino bursts characteristic of core-collapse supernovae continuously, in real time, since the start of operations in 1996. The present work focuses on detecting more distant supernovae whose event rate may be too small to trigger in real time, but may be identified using an offline approach. The analysis of data collected from 2008 to 2018 found no evidence of distant supernovae bursts. This establishes an upper limit of 0.29 yr−1 on the rate of core-collapse supernovae out to 100 kpc at 90% C.L. For supernovae that fail to explode and collapse directly to black holes the limit reaches to 300 kpc.
Item Type: | Journal Article | ||||||
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Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
Library of Congress Subject Headings (LCSH): | Astrophysics, Neutrinos, Nuclear astrophysics, Supernovae, Particles (Nuclear physics), Astronomy -- Observations, Supernovae as distance indicators | ||||||
Journal or Publication Title: | The Astrophysical Journal | ||||||
Publisher: | Institute of Physics Publishing, Inc. | ||||||
ISSN: | 0004-637X | ||||||
Official Date: | 12 October 2022 | ||||||
Dates: |
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Volume: | 938 | ||||||
Number: | 1 | ||||||
Number of Pages: | 13 | ||||||
Article Number: | 35 | ||||||
DOI: | 10.3847/1538-4357/ac8f41 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||
Date of first compliant deposit: | 7 November 2022 | ||||||
Date of first compliant Open Access: | 8 November 2022 |
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