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

Al-Shammari, Sama, Amarasinghege, Oshadha, Bergamin, Fabio, Divyajyoti, Divyajyoti ORCID: https://orcid.org/0000-0002-2787-1012, Dooley, Katherine L. ORCID: https://orcid.org/0000-0002-1636-0233, Fairhurst, Stephen ORCID: https://orcid.org/0000-0001-8480-1961, Goettel, A.S., Grote, Hartmut ORCID: https://orcid.org/0000-0002-0797-3943, Hannam, Mark D. ORCID: https://orcid.org/0000-0001-5571-325X, Higginbotham, Samuel, Javed, Wasim ORCID: https://orcid.org/0009-0009-1471-7890, Kinnear, Meryl, Kokeyama, Keiko ORCID: https://orcid.org/0000-0002-2896-1992, Kuntimaddi, Nikitha, MacLeod, Duncan M. ORCID: https://orcid.org/0000-0002-1395-8694, Norman, Michael, North, Christopher, Patra, Abhinav, Patterson, Ben G., Pearce, Terri, Raymond, Vivien ORCID: https://orcid.org/0000-0003-0066-0095, Riley, Huw K., Sathyaprakash, Bangalore S. ORCID: https://orcid.org/0000-0003-3845-7586, Schutz, Bernard F. ORCID: https://orcid.org/0000-0001-9487-6983, Skliris, Vasileios, Sutton, Patrick J. ORCID: https://orcid.org/0000-0003-1614-3922, Tanioka, Satoshi and Tsang, Terrence 2025. GW231123: A binary black hole merger with total mass 190–265 M⊙. The Astrophysical Journal Letters 993 (1) , L25. 10.3847/2041-8213/ae0c9c

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Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Additional Information:	For full author list refer to the published article at: https://doi.org/10.3847/2041-8213/ae0c9c
Publisher:	IOP
ISSN:	2041-8205
Date of First Compliant Deposit:	3 November 2025
Date of Acceptance:	26 September 2025
Last Modified:	04 Nov 2025 08:22
URI:	https://orca.cardiff.ac.uk/id/eprint/182086

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