GW231123: a binary black hole merger with total mass 190–265 M⊙

Abac, A.G. orcid.org/0000-0003-4786-2698, Abouelfettouh, I., Acernese, F. et al. (1768 more authors) (2025) GW231123: a binary black hole merger with total mass 190–265 M⊙. The Astrophysical Journal Letters, 993 (1). L25. ISSN: 2041-8205

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Item Type: Article
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© 2025 The Authors. This is an Open Access article distributed under the terms of the Creative Commons Attribution Licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Keywords: LIGO; Gravitational waves; Astrophysical black holes; Intermediate-mass black holes
Dates:
  • Accepted: 26 September 2025
  • Published (online): 27 October 2025
  • Published: 27 October 2025
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Science (Sheffield) > School of Mathematical and Physical Sciences
The University of Sheffield > Faculty of Science (Sheffield) > Department of Physics and Astronomy (Sheffield)
Date Deposited: 03 Nov 2025 15:21
Last Modified: 03 Nov 2025 15:21
Published Version: https://doi.org/10.3847/2041-8213/ae0c9c
Status: Published
Publisher: American Astronomical Society
Refereed: Yes
Identification Number: 10.3847/2041-8213/ae0c9c
Open Archives Initiative ID (OAI ID):

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