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Record W4415620163 · doi:10.3847/2041-8213/ae0c9c

GW231123: A Binary Black Hole Merger with Total Mass 190–265 <i>M</i> <sub>⊙</sub>

2025· article· en· W4415620163 on OpenAlexfundno aff
Adrian Abac, I. Abouelfettouh, F. Acernese, K. Ackley, Christian Adamcewicz, S. Adhicary, Dadhi Adhikari, N. Adhikari, R. X. Adhikari, V.K Adkins, Samsuzzaman Afroz, A. Agapito, D. Agarwal, M. Agathos, N. Aggarwal, S. Aggarwal, Odylio D. Aguiar, I. -L. Ahrend, L. Aiello, A. Ain, P. Ajith, T. Akutsu, Simone Albanesi, Wadah Ali, S. Al-Kershi, C. Alléné, A. Allocca, S. Al-Shammari, P. A. Altin, S. Álvarez-López, W. Amar, O. Amarasinghe, A. Amato, F. Amicucci, Claude Amra, A. Ananyeva, S. B. Anderson, W. G. Anderson, M. Andia, Mizuo Ando, M. Andrés‐Carcasona, T. Andrić, J. D. Anglin, Stefano Ansoldi, Javier M. Antelis, S. Antier, M. Aoumi, E. Z. Appavuravther, S. Appert, S. K. Apple, K. Arai, C. Alvarez, A. Araya, M. C. Araya, Manuel Arca Sedda, J. S. Areeda, N. Aritomi, F. Armato, Shiro Armstrong, N. Arnaud, M. Arogeti, Scott Aronson, K. G. Arun, G. Ashton, Y. Aso, L. Asprea, M. Assiduo, S. Assis de Souza Melo, S. M. Aston, P. Astone, F. Attadio, F. Aubin, K. AultONeal, Guerino Avallone, E. A. Avila, S. Babak, C. Badger, S. Bae, S. Bagnasco, Luca Baiotti, R. Bajpai, T. Baka, Andrew Baker, Keith Baker, Tessa Baker, G. Baldi, N. Baldicchi, M. Ball, G. Ballardin, S. W. Ballmer, S. Banagiri, B. Banerjee, D. Bankar, T. M. Baptiste, Pratyusava Baral, M. Baratti, J. C. Barayoga, B. C. Barish, D. Barker, Nilkanta Barman, P. Barneo, F. Barone, B. Barr, L. Barsotti, M. Barsuglia, D. Barta, Alice Bartoletti, M. A. Barton, I. Bartos, A. Basalaev, R. Bassiri, A. Basti, M. Bawaj, J. C. Bayley, A. C. Baylor, P. A. Baynard, M. Bazzan, V.M Bedakihale, F. Beirnaert, M. Bejger, Daniele Belardinelli, A. S. Bell, D. S. Bellie, Lorenzo Bellizzi, William Benoit, I. Bentara, J. D. Bentley, M. Ben Yaala, Sayantani Bera, F. Bergamin, B. K. Berger, Sebastiano Bernuzzi, M. Beroiz, C. P. L. Berry, D. Bersanetti, T. Bertheas, A. Bertolini, J. Betzwieser, D. Beveridge, G. Bevilacqua, N. Bevins, R. Bhandare, R. Bhatt, D. Bhattacharjee, Swarnapratim Bhattacharyya, S. Bhaumik, S. Bhagwat, V. Biancalana, A. Bianchi, I. A. Bilenko, G. Billingsley, A. Binetti, S. Bini, C. Binu, S. Biot, O. Birnholtz, S. Biscoveanu, A. Bisht, M. Bitossi, M. A. Bizouard, S. Blaber, K. Blackburn, L. A. Blagg, C. D. Blair, D. G. Blair, N. Bode, N. Boettner, Guillaume Boileau, M. Boldrini, G. N. Bolingbroke, A. Bolliand, L. D. Bonavena, R. Bondarescu, F. Bondu, E. Bonilla, M. S. Bonilla, A. Bonino, R. Bonnand, Andrea T. Borchers, Ssohrab Borhanian, V. Boschi, S. Bose, V. Bossilkov, Y. Bothra, Alexis Boudon, L. Bourg, Michael Boyle, A. Bozzi, C. Bradaschia, P. R. Brady, A. Branch, M. Branchesi, I. Braun, T. Briant, A. Brillet, M. Brinkmann, P. Brockill, Eike Brockmüller, A. F. Brooks, B. C. Brown, D. D. Brown, M. L. Brozzetti, S. Brunett, G. Bruno, R. Bruntz, Jennifer Bryant, Yanyan Bu, F. Bucci, J. Buchanan, O. M. Bulashenko, T. Bulik, H. J. Bulten, Alessandra Buonanno, K. Burtnyk, R. Buscicchio, D. Buskulic, C. Buy, R. L. Byer, G. S. Davies, R. Cabrita, V. Cáceres-Barbosa, L. Cadonati, G. Cagnoli, C. Cahillane, Antonia M. Calafat, J. Calderón Bustillo, T. A. Callister, E. Calloni, S. R. Callos, M. Canepa, G. Caneva Santoro, K. C. Cannon, H. Cao, L. A. Capistran, E. Capocasa, E. Capote, Giulia Capurri, G. Carapella, F. Carbognani, M Carlassara, J. B. Carlin, T. K. Carlson, M. F. Carney, M. Carpinelli, G. Carrillo, J. J. Carter, G. Carullo, Alejandro Casallas-Lagos, Julia Casanueva Diaz, C. Casentini, S. Y. Castro-Lucas, S. Caudill, M. Cavaglià, R. Cavalieri, A. Ceja, G. Cella, P. Cerdá–Durán, E. Cesarini, N. Chabbra, W. Chaibi, Aniruddha Chakraborty, Pulak K. Chakraborty, Sumanta Chakraborty, S. Chalathadka Subrahmanya, C. Chan, M. Chan, Koustav Chandra, Kai Chang, S. Chao, P. Charlton, E. Chassande‐Mottin, C. Chatterjee, Debarati Chatterjee, Deep Chatterjee, M. Chaturvedi, S. Chaty, Katerina Chatziioannou, Anson Chen, A. H.-Y. Chen, D. Chen, Hsin-Yu Chen, Shihua Chen, Yanbei Chen, Yitian Chen, H. P. Cheng, P. Chessa, Damon H. T. Cheung, S.Y. Amy Cheung, F. Chiadini, G. Chiarini, A. Chiba, A. Chincarini, Maria Luisa Chiofalo, A. Chiummo, Clifford C. Chou, S. Choudhary, N. Christensen, S. Chua, G. Ciani, P. Ciecieląg, M. Cieślar, M. Cifaldi, B. Cirok, J. A. Clark, Teagan A. Clarke, P. Clearwater, S. Clesse, F. Cleva, E. Coccia, E. Codazzo, P.-F. Cohadon, S. Colace, E. Colangeli, M. Colleoni, C. G. Collette, Josh N. Collins, Storm Colloms, A. Colombo, C. M. Compton, Gavin Connolly, L. Conti, T. R. Corbitt, I. Cordero-Carrión, S. Corezzi, Neil J. Cornish, I. Coronado, A. Corsi, R. Cottingham, M. W. Coughlin, A. Couineaux, P. Couvares, D. M. Coward, R. Coyne, Andrea Cozzumbo, J. D. E. Creighton, P. Cremonese, Sharon Crook, R. K. Crouch, J. Csizmazia, J. R. Cudell, T. J. Cullen, A. Cumming, E. Cuoco, M. Cusinato, L. V. Da Conceição, T. Dal Canton, Stefano Dal Pra, G. Dálya, B. D’Angelo, S. L. Danilishin, S. D’Antonio, K. Danzmann, K. E. Darroch, L. P. Dartez, Rituparna Das, A. Dasgupta, V. Dattilo, Aurélie Daumas, N. Davari, I. Dave, A. Davenport, M. Davier, Terry F. Davies, D. Davis, L. Davis, M. C. Davis, Philip Davis, E. J. Daw, Maximilian Dax, J. De Bolle, M. Deenadayalan, J. Degallaix, M. De Laurentis, F. De Lillo, S. Della Torre, W. Del Pozzo, A. Demagny, F. De Marco, G. Demasi, F. De Matteis, N. Demos, T. Dent, A. Depasse, N. DePergola, R. De Pietri, R. De Rosa, Camilla De Rossi, Malina Desai, R. DeSalvo, Antonio DeSimone, R. De Simone, Arnab Dhani, R. Diab, M. C. Díaz, M. Di Cesare, G. Dideron, Tim Dietrich, L. Di Fiore, C. Di Fronzo, Matteo Di Giovanni, T. Di Girolamo, D. Diksha, J. Ding, S. Di Pace, I. Di Palma, F. Di Renzo, A. Dmitriev, J. P. Docherty, Z. Doctor, N. Doerksen, E. Dohmen, A. Doke, A. Domiciano De Souza, L. D’Onofrio, F. Donovan, K. L. Dooley, T. Dooney, S. Doravari, O. Dorosh, William Doyle, M. Drago, J. C. Driggers, L. Dunn, U. Dupletsa, Pierre-Alexandre Duverne, D. D’Urso, Poulami Dutta Roy, H. Duval, S. E. Dwyer, C. Eassa, M. Ebersold, T. Eckhardt, G. Eddolls, A. Effler, J. Eichholz, H. Einsle, M. Eisenmann, M. Emma, Kazuhiko Endo, R. Enficiaud, L. Errico, R. Espinosa, M. Esposito, R. C. Essick, H. Estellés, T. Etzel, M. Evans, T. Evstafyeva, B. E. Ewing, José María Ezquiaga, F. Fabrizi, V. Fafone, S. Fairhurst, A. M. Farah, B. Farr, Will M. Farr, G. Favaro, M. Favata, M. Fays, Mariana Fazio, J. Feicht, M. M. Fejer, R. Felicetti, E. Fenyvesi, J. Fernandes, Tiago Fernandes, Diego Fernándo, S. Ferraiuolo, T. A. Ferreira, F. Fidecaro, P. Figura, A. Fiori, I. Fiori, R. P. Fisher, R. Fittipaldi, V. Fiumara, R. Flaminio, S. M. Fleischer, L. S. Fleming, E. Floden, H. Fong, José A. Font, F. Fontinele-Nunes, C. Foo, Bartosz Fornal, K. Franceschetti, N. Franchini, F. Frappez, S. Frasca, F. Frasconi, J. P. Freed, Z. Frei, A. Freise, O. Freitas, R. Frey, W. Frischhertz, P. Fritschel, V. V. Frolov, G. G. Fronzé, P. Fritschel, S. Fujii, T. Fujimori, P. Fulda, M. Fyffe, B. U. Gadre, J. R. Gair, S. Galaudage, Vincenzo Galdi, R. Gamba, A. Gamboa, S. Gamoji, D. Ganapathy, A. Ganguly, B. Garaventa, J. García-Bellido, C. García-Quirós, James W. Gardner, K. A. Gardner, Sakshi Garg, J. Gargiulo, X. Garrido, A. Garron, F. Garufi, P. A. Garver, C. Gasbarra, B. Gateley, François Gautier, V. Gayathri, T. Gayer, G. Gemme, A. Gennai, V. Gennari, J. George, Oliver Gerberding, L. Gergely, Sayantan Ghosh, Shaon Ghosh, Shrobana Ghosh, Suprovo Ghosh, Tathagata Ghosh, J. A. Giaime, K. D. Giardina, Des Gibson, C. Gier, S. Gkaitatzis, J. Glanzer, F Glotin, J. Godfrey, R. V. Godley, P. Godwin, Alexandre Göttel, E. Goetz, Jacob Golomb, S. Gomez Lopez, B. Goncharov, G. González, P. Goodarzi, Simon Goode, M. Gosselin, R. Gouaty, D. W. Gould, K. Govorkova, A. Grado, V. Graham, A. E. Granados, M. Granata, V. Granata, S. Gras, P. Grassia, J. Graves, R. Gray, G. Greco, A. C. Green, Lucie M. Green, S. M. Green, Stephen Green, C. Greenberg, A. M. Gretarsson, H. K. Griffin, D. Griffith, H. L. Griggs, G. Grignani, C. Grimaud, H. Grote, S. 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Kabagöz, T. Kajita, Ikou Kaku, V. Kalogera, Marios Kalomenopoulos, M. Kamiizumi, Nobuyuki Kanda, S. Kandhasamy, G. Kang, N. C. Kannachel, J. B. Kanner, S. A. KantiMahanty, S. J. Kapadia, D. P. Kapasi, M. Karthikeyan, M. Kasprzack, Hiromi Kato, T. Kato, E. Katsavounidis, W. Katzman, R. Kaushik, K. Kawabe, Ryuichi Kawamoto, D. Keitel, L. J. Kemperman, James Kennington, F. A. Kerkow, Ravi Kesharwani, J. S. Key, R. Khadela, S. Khadka, Sanika Khadkikar, F. Y. Khalili, F. Khan, T. Khanam, M. Khursheed, N. M. Khusid, W. Kiendrébéogo, N. Kijbunchoo, C. Kim, J. C. Kim, Kyungmin Kim, M. H. Kim, S. Kim, Y.-M. Kim, C. Kimball, K. Kimes, M. Kinnear, J. S. Kissel, S. Klimenko, A. M. Knee, Eleanor Knox, N. Knust, K. Kobayashi, S. M. Koehlenbeck, G. Koekoek, Kazunori Kohri, K. Kokeyama, S. Koley, P. Kolitsidou, Alexandra E. Koloniari, K. Komori, A. K. H. Kong, A. Kontos, Lari M. Koponen, M. Korobko, 修至 出口, Anoop Nagesh Koushik, N. Kouvatsos, M. Kovalam, Tomohiro Koyama, D. B. Kozak, S. L. Kranzhoff, V. Kringel, N. V. Krishnendu, Stefanie Kroker, A. Królak, K. Kruska, Jerzy Kubisz, G. Kuehn, Sumeet Kulkarni, A. Kulur Ramamohan, Achal Kumar, Praveen Kumar, P. Kumar, Rahul Kumar, Rakesh Kumar, J. Kume, K. Kuns, N. Kuntimaddi, Sachiko Kuroyanagi, S. Kuwahara, K. Kwak, Kelvin Y. Kwan, S. Kwon, G. Lacaille, D. Laghi, A. H. Laity, E. Lalande, Max Lalleman, P. C. Lalremruati, M. Landry, B. B. Lane, R. N. Lang, J. Lange, R. Langgin, B. Lantz, I. La Rosa, J. Larsen, A. Lartaux-Vollard, P. D. Lasky, Jessica Lawrence, M. Laxen, C. Lazarte, A. Lazzarini, C. Lazzaro, P. Leaci, L. Leali, Y. K. Lecoeuche, Hyung Mok Lee, H. W. Lee, J. Lee, H. K. Lee, Ray‐Kuang Lee, S. Lee, Y. Lee, I. N. Legred, J. Lehmann, Luis Lehner, M. Le Jean, Anaël Lemaı̂tre, M. Lenti, M. Leonardi, Michel Lequime, N. Leroy, M. Lesovsky, N. Letendre, M. Lethuillier, Y. Levin, K. Leyde, A. K. Y. Li, Kwan-Lok Li, X. Li, Yong Li, Zhiyuan Li, A. Lihos, E. T. Lin, F. Lin, L. C.-C. Lin, Y.-C. Lin, C. Lindsay, S. D. Linker, A. Liu, Guo-Chin Liu, J. Liu, F. Llamas Villarreal, J. Llobera-Querol, R. K. L. Lo, Jean‐Pierre Locquet, S. C. G. Loggins, M. R. Loizou, L. T. London, A. Longo, D. Lopez, M. Lorenzini, A. Lorenzo-Medina, V. Loriette, M. Lormand, G. Losurdo, E. Lotti, T. P. Lott, J. D. Lough, Hudson A. Loughlin, C. O. Loustó, Nicholas Low, N. Lu, Leonardo Lucchesi, H. Lück, D. Lumaca, A. P. Lundgren, A. W. Lussier, R. Macas, M. MacInnis, D. M. Macleod, I. A. O. MacMillan, A. Macquet, Kenji Maeda, S. Maenaut, S. S. Magare, R. M. Magee, Elisa Maggio, R. Maggiore, M. Magnozzi, M. Mahesh, M. Maini, Santosh Kumar Majhi, E. Majorana, C. N. Makarem, D. Malakar, J. A. Malaquias-Reis, U. Mali, S. Maliakal, A. Malik, Labani Mallick, Ann-Kristin Malz, N. Man, Michele Mancarella, Vuk Mandic, V. Mangano, B. Mannix, G. L. Mansell, M. Manske, M. Mantovani, Michela Mapelli, C. Marinelli, F. Marion, A. S. Markosyan, A. Markowitz, E. Maros, F. Martelli, I. W. Martin, R. M. Martin, B. B. Martinez, D. Martinez, M. Martinez, V. Martínez, Alberto Martini, J. C. Martins, Д. В. Мартынов, E. J. Marx, L. Massaro, A. Masserot, M. Masso‐Reid, S. Mastrogiovanni, T. Matcovich, M. Matiushechkina, L. Maurin, N. Mavalvala, N. Maxwell, G. McCarrol, R. McCarthy, D. E. McClelland, S. McCormick, L. McCuller, S. McEachin, C. McElhenny, G. I. McGhee, J. McGinn, K. B. M. McGowan, J. McIver, A. McLeod, I. McMahon, T. McRae, R. McTeague, D. Meacher, Benjamin R. Meagher, R. Mechum, Q. Meijer, A. Melatos, Carmen S. Menoni, F. Mera, R. A. Mercer, L. Mereni, K. Merfeld, E. L. Merilh, J. R. Mérou, J. D. Merritt, M. Merzougui, C. Messick, Benedetta Mestichelli, M. Meyer-Conde, F. Meylahn, A. Mhaske, A. Miani, H. Miao, C. Michel, Yuta Michimura, H. Middleton, Deyan P. Mihaylov, Simona J. Miller, M. Millhouse, E. Milotti, Valeria Milotti, Y. Minenkov, E. M. Minihan, L. M. Mir, L. Mirasola, M. Miravet-Tenés, C.-A. Miritescu, Ashok Kumar Mishra, C. Mishra, T. Mishra, A. L. Mitchell, J. G. Mitchell, S. Mitra, V. P. 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Patra, B. Patricelli, B. G. Patterson, K. Paul, S. Paul, Ethan Payne, T. Pearce, M. Pedraza, A. Pele, F. E. Peña Arellano, Xinhua Peng, S. Penn, M. D. Penuliar, Albino Perego, Z. Pereira, C. Périgois, G. Perna, A. Perreca, J. Perret, S. Perriès, J. W. Perry, D. Pesios, Stéphanie Peters, S. Petracca, C. Petrillo, Harald Pfeiffer, H. Pham, K. A. Pham, K. S. Phukon, H. Phurailatpam, M. Piarulli, M. Piendibene, O. J. Piccinni, M. Pichot, M. Piendibene, F. Piergiovanni, L. Pierini, G. Pierra, V. Pierro, Michał Bernard Pietrzak, Marion Pillas, F. Pilo, Laurent Pinard, I. M. Pinto, M. Pinto, B. J. Piotrzkowski, M. Pirello, M. Pitkin, A. Placidi, E. Placidi, Maria de Lluc Planas, W. Plastino, Cailin Plunkett, R. Poggiani, E. Polini, J. Pomper, Lorenzo Pompili, J. Poon, E. Porcelli, E. K. Porter, C. Posnansky, R. Poulton, J. Powell, G. Ashwin Prabhu, M. Pracchia, Bikram Keshari Pradhan, T. Pradier, Ashish Prajapati, Kiran Prasai, R. Prasanna, P. Prasia, G. Pratten, G. Principe, G. A. Prodi, Paolo Prosperi, P. Prosposito, A. C. Providence, Anna Puecher, Jorge Pullin, P. Puppo, M. Pürrer, H. Qi, J. Qin, G. Qúeḿener, V. Quetschke, P. J. Quinonez, N. Qutob, Reinhardt Rading, I. Rainho, S. Raja, C. Rajan, K. E. Ramirez, F. A. Ramis Vidal, M. Ramos Arevalo, A. Ramos-Buades, S. Ranjan, Katherine M. Ransom, P. Rapagnani, B. Ratto, A. Ravichandran, Anarya Ray, V. Raymond, M. Razzano, J. Read, T. Regimbau, S. Reid, C. Reissel, D. H. Reitze, A. Renzini, B. Revenu, Adrian Pena, R. Reyes, Leonardo Ricca, M. Ricci, Angelo Ricciardone, J. Rice, J. W. Richardson, Mark L. A. Richardson, A. Rijal, K. Riles, H. K. Riley, S. Rinaldi, J. Rittmeyer, C. Robertson, F. Robinet, Mitchell B. Robinson, A. Rocchi, L. Rolland, J. G. Rollins, Antonio Enea Romano, R. Romano, A. Romero, I. M. Romero-Shaw, J. H. Romie, S. Ronchini, T. J. Roocke, L. Rosa, T. J. Rosauer, C. A. Rose, D. Rosińska, M. P. Ross, M. Rossello-Sastre, Sheila Rowan, S. K. Roy, Soumen Roy, D. Rozza, P. Ruggi, N. Ruhama, E. Ruiz Morales, K. Ruiz-Rocha, S. Sachdev, T. Sadecki, P Saffarieh, Samar Safí-Harb, Mohit Raj Sah, Surojit Saha, T. Sainrat, S. Sajith Menon, K. Sakai, Yusuke Sakai, Mairi Sakellariadou, S. Sakon, O. S. Salafia, F. Salces-Cárcoba, L. Salconi, M. Saleem, F. Salemi, M. Sallé, Sameer Salunkhe, S. Salvador, A. Salvarese, A. Samajdar, A. Sanchez, E. J. Sanchez, L. E. Sanchez, N. Sanchis-Gual, J. R. Sanders, E. M. Sänger, Filippo Santoliquido, F. Sarandrea, T. R. Saravanan, N. Sarin, Pranab Sarkar, A. Sasli, Paola Sassi, B. Sassolas, B. S. Sathyaprakash, R. Sato, S. Sato, Y Sato, Yu Sato, O. Sauter, R. L. Savage, T. Sawada, H. L. Sawant, Sihem Sayah, V. Scacco, D. Schaetzl, M. Scheel, A. Schiebelbein, M. G. Schiworski, P. Schmidt, S. Schmidt, Roman Schnabel, M. Schneewind, R. M. S. Schofield, Koen Schouteden, B. W. Schulte, B. F. Schutz, E. Schwartz, M. Scialpi, J. Scott, S. M. Scott, R. Mishael Sedas, T. C. Seetharamu, M. Seglar-Arroyo, Yuichiro Sekiguchi, D. Sellers, N. Sembo, A. S. Sengupta, E. G. Seo, Jin Won Seo, V. Sequino, M. Serra, Alexander Sevrin, T. Shaffer, U. S. Shah, Md Arif Shaikh, Lijing Shao, Aditya Kumar Sharma, Preeti Sharma, Prianka Sharma, Ritwik Sharma, Sushant Sharma Chaudhary, P. Shawhan, N. S. Shcheblanov, E. Sheridan, Zhu-Pei Shi, M. Shikauchi, Ryoichi Shimomura, H. Shinkai, Swarnim Shirke, D. H. Shoemaker, Deirdre Shoemaker, R. W. Short, S. ShyamSundar, A. Sider, Harrison Siegel, D. Sigg, L. Silenzi, L. Silvestri, Mark Simmonds, L. P. Singer, Amitesh Singh, Anika Singh, D. Singh, N. Singh, S. Singh, A. M. Sintes, V. Sipala, V. Skliris, B. J. J. Slagmolen, David Slater, T. J. Slaven-Blair, J. Smetana, J. R. Smith, L. Smith, R. J. E. Smith, W. J. Smith, K. Somiya, I. Song, S. Soni, V. Sordini, F. Sorrentino, Hajime Sotani, Francesca Spada, V. Spagnuolo, A. P. Spencer, Piernicola Spinicelli, A. K. Srivastava, F. Stachurski, Chris Stark, D. A. Steer, Nathan Steinle, J. Steinlechner, S. Steinlechner, Nikolaos Stergioulas, Paul E. Stevens, S. P. Stevenson, M. StPierre, M. D. Strong, A Strunk, A. L. Stuver, M. Suchenek, S. Sudhagar, Yuta Sudo, N. Sueltmann, L. Suleiman, K. D. Sullivan, Jielun Sun, L. Sun, J. Suresh, Brian J. Sutton, P. J. Sutton, Kota Suzuki, Masuo Suzuki, S. Swain, B. L. Swinkels, A. Syx, M. J. Szczepańczyk, P. Szewczyk, M. Tacca, Hideyuki Tagoshi, Kentaro Takada, Hirotaka Takahashi, Ryutaro Takahashi, Akiteru Takamori, Satoru Takano, H. Takeda, Kenichi Takeshita, I. Takimoto Schmiegelow, M. Takou-Ayaoh, C. Talbot, M. Tamaki, Nicola Tamanini, D. Tanabe, K. Tanaka, Shuta Tanaka, S. Tanioka, D. B. Tanner, W. A. Tanner, Tao Liu, R. D. Tapia, E. N. Tapia San Martín, C. Taranto, Atsushi Taruya, Jay D. Tasson, J. G. Tau, David Téllez, R. Tenorio, H. Themann, A. Theodoropoulos, M. P. Thirugnanasambandam, L. M. Thomas, M. Thomas, P. Thomas, Jonathan E. Thompson, S. R. Thondapu, K. A. Thorne, E. Thrane, Jacopo Tissino, A. Tiwari, Pawan Tiwari, Praveer Tiwari, Shubhanshu Tiwari, V. Tiwari, M. R. Todd, M. Toffano, Andrew Toivonen, K. Toland, A. E. Tolley, T. Tomaru, V. Tommasini, T. Tomura, Hui Tong, C. Tong-Yu, A. Torres-Forné, C. I. Torrie, I. Tosta e Melo, E. Tournefier, M. Nery, Kevin Tran, A. Trapananti, R. Travaglini, F. Travasso, G. Traylor, M. Trevor, M. C. Tringali, A. Tripathee, G. Troian, A. Trovato, L. Trozzo, R. J. Trudeau, T. Tsang, S. Tsuchida, Leo Tsukada, K. Turbang, M. Turconi, C. Turski, H. Ubach, N. Uchikata, Takashi Uchiyama, R. P. Udall, T. Uehara, K. Ueno, V. Undheim, L. E. Uronen, T. Ushiba, M. Vacatello, H. Vahlbruch, Nina Vaidya, G. Vajente, A. Vajpeyi, J. Valencia, M. Valentini, S. A. Vallejo-Peña, S. Vallero, V. Valsan, M. van Dael, E. Van den Bossche, J. F. J. van den Brand, Marc van der Sluys, A. Van de Walle, J. van Dongen, K. Vandra, M. VanDyke, Hans Van Haevermaet, J. V. van Heijningen, P. Van Hove, J. Vanier, M. VanKeuren, J. Vanosky, N. Van Remortel, M. Vardaro, A. F. Vargas, Vijay Varma, A. Vázquez, A. Vecchio, G. Vedovato, J. Veitch, P. J. Veitch, S. Venikoudis, Ricco C. Venterea, P. Verdier, M. Vereecken, D. Verkindt, B. G. Verma, Y. Verma, S. M. Vermeulen, F. Vetrano, A. Veutro, A. Viceré, S. Vidyant, A. D. Viets, A. Vijaykumar, A. Vilkha, Núria Espinosa, V. Villa-Ortega, E. T. Vincent, J.-Y. Vinet, S. Viret, S. Vitale, H. Vocca, Daniel Voigt, E. R. G. von Reis, J. S. A. von Wrangel, W. E. Vossius, Luka Vujeva, S. P. Vyatchanin, J. Wack, M. Wade, K. J. Wagner, L. Wallace, E. J. Wang, H. Wang, J. Z. Wang, W. H. Wang, Yifan Wang, G. Waratkar, J. Warner, M. Wąs, T. Washimi, N. Y. Washington, D. Watarai, B. Weaver, S. A. Webster, N. L. Weickhardt, M. Weinert, A. J. Weinstein, R. Weiss, L. Wen, K. Wette, J. T. Whelan, B. F. Whiting, C. Whittle, E. G. Wickens, Dennis Wilken, Anne Wilkin, B. M. Williams, D. R. Williams, M. J. Williams, Natalie Williams, J. L. Willis, B. Willke, M. Wils, Laura Wilson, C. W. Winborn, J. Winterflood, C. C. Wipf, G. Woan, J. Woehler, N. E. Wolfe, H. T. Wong, H. W. Y. Wong, I. C. F. Wong, Kaze W. K. Wong, Thibeau Wouters, J. L. Wright, Bin Wu, Chien-Ming Wu, D. S. Wu, H. Wu, K. Wu, Q. Wu, Yiheng Wu, Zheng Wu, E. Wuchner, D. M. Wysocki, Victoria Xu, Yumeng Xu, N. Yadav, H. Yamamoto, K. Yamamoto, Takahiro Yamamoto, Takahiro Yamamoto, Ryo Yamazaki, Tong Yan, K. Z. Yang, Yi Yang, Z. Yarbrough, J. Yebana, S.-W. Yeh, A. B. Yelikar, Xiangwei Yin, Jun’ichi Yokoyama, T. Yokozawa, Sihan Yuan, H. Yuzurihara, M. Zanolin, M. Zeeshan, T. Zelenova, J.-P. Zendri, M Zeoli, Myriam Zerrad, M. Zevin, L. Zhang, N. Zhang, R. Zhang, T. Zhang, C. Zhao, Yue Zhao, Zhichao Zhao, Y. Zheng, H. Zhong, Hao Zhou, Hengrui Zhu, Zong‐Hong Zhu, Aaron Zimmerman, L. Zimmermann, M. E. Zucker, J. Zweizig

Bibliographic record

VenueThe Astrophysical Journal Letters · 2025
Typearticle
Languageen
FieldPhysics and Astronomy
TopicPulsars and Gravitational Waves Research
Canadian institutionsnot available
FundersEuropean Social FundJapan Society for the Promotion of ScienceSchweizerischer Nationalfonds zur Förderung der Wissenschaftlichen ForschungScience and Technology Facilities CouncilNational Science and Technology CouncilEuropean Regional Development FundCentre National de la Recherche ScientifiqueICTP South American Institute for Fundamental ResearchMinistry of Science and ICT, South KoreaNemzeti Kutatási Fejlesztési és Innovációs HivatalNational Research FoundationVlaamse regeringNational Astronomical Observatory of JapanMinistry of Education, Culture, Sports, Science and TechnologyNatural Sciences and Engineering Research Council of CanadaMinistry of Education, IndiaConseil Régional, Île-de-FranceIsrael Science FoundationScottish Universities Physics AllianceNational Natural Science Foundation of ChinaNational Research Foundation of KoreaDivision of Human Resource DevelopmentKorea Astronomy and Space Science InstituteHungarian Scientific Research FundGeneralitat de CatalunyaGeneralitat ValencianaFonds Wetenschappelijk OnderzoekIstituto Nazionale di Fisica NucleareU.S. Department of EnergyNational Research, Development and Innovation OfficeGreat Southern Development Commission, Government of Western AustraliaAgencia Estatal de InvestigaciónKorea Institute of Science and Technology InformationNederlandse Organisatie voor Wetenschappelijk OnderzoekInstitute for Cosmic Ray Research, University of TokyoCouncil of Scientific and Industrial Research, IndiaFundacja na rzecz Nauki PolskiejAcademia SinicaAbdus Salam International Centre for Theoretical PhysicsLeverhulme TrustEuropean CommissionRussian Science FoundationScottish Funding CouncilNarodowa Agencja Wymiany AkademickiejCentres de Recerca de CatalunyaInstitut des Origines de LyonFonds De La Recherche Scientifique - FNRSMinisterio de Ciencia, Innovación y UniversidadesScience and Engineering Research BoardNational Science Foundation
KeywordsBinary black holeBlack hole (networking)RedshiftLuminosityLIGOStellar black holeSpin-flip

Abstract

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Abstract On 2023 November 23, the two LIGO observatories both detected GW231123, a gravitational-wave signal consistent with the merger of two black holes with masses <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mn>13</mml:mn> <mml:msubsup> <mml:mrow> <mml:mn>7</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>18</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> <mml:mn>23</mml:mn> </mml:mrow> </mml:msubsup> <mml:mspace width="0.25em"/> <mml:msub> <mml:mrow> <mml:mi>M</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>⊙</mml:mo> </mml:mrow> </mml:msub> </mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mn>10</mml:mn> <mml:msubsup> <mml:mrow> <mml:mn>1</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>50</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> <mml:mn>22</mml:mn> </mml:mrow> </mml:msubsup> <mml:mspace width="0.25em"/> <mml:msub> <mml:mrow> <mml:mi>M</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>⊙</mml:mo> </mml:mrow> </mml:msub> </mml:math> (90% credible intervals), at a luminosity distance of 0.7–4.1 Gpc, a redshift of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mn>0.4</mml:mn> <mml:msubsup> <mml:mrow> <mml:mn>0</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>0.25</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> <mml:mn>0.27</mml:mn> </mml:mrow> </mml:msubsup> </mml:math> , and with a network signal-to-noise ratio of ∼20.7. Both black holes exhibit high spins— <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mn>0.9</mml:mn> <mml:msubsup> <mml:mrow> <mml:mn>0</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>0.19</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> <mml:mn>0.10</mml:mn> </mml:mrow> </mml:msubsup> </mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mn>0.8</mml:mn> <mml:msubsup> <mml:mrow> <mml:mn>0</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>0.52</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> <mml:mn>0.20</mml:mn> </mml:mrow> </mml:msubsup> </mml:math> , respectively. A massive black hole remnant is supported by an independent ringdown analysis. Some properties of GW231123 are subject to large systematic uncertainties, as indicated by differences in the inferred parameters between signal models. The primary black hole lies within or above the theorized mass gap where black holes between 60–130 M ⊙ should be rare, due to pair-instability mechanisms, while the secondary spans the gap. The observation of GW231123 therefore suggests the formation of black holes from channels beyond standard stellar collapse and that intermediate-mass black holes of mass ∼200 M ⊙ form through gravitational-wave-driven mergers.

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How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.554
Threshold uncertainty score0.602

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.005
GPT teacher head0.254
Teacher spread0.249 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

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Citations80
Published2025
Admission routes1
Has abstractyes

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