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Kwak, Kyujin
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GW250114: Testing Hawking's Area Law and the Kerr Nature of Black Holes

Author(s)
Abac, A.G.Abouelfettouh, I.Acernese, F.Ackley, K.Adamcewicz, C.Adhicary, S.Adhikari, D.Adhikari, N.Adhikari, R.X.Adkins, V.K.Afroz, S.Agapito, A.Agarwal, D.Agathos, M.Aggarwal, N.Aggarwal, S.Aguiar, O.D.Ahrend, I-LAiello, L.Ain, A.Ajith, P.Akutsu, T.Al-Kershi, S.Al-Shammari, S.Albanesi, S.Ali, W.Alléné, C.Allocca, A.Altin, P.A.Alvarez-Lopez, S.Amar, W.Amarasinghe, O.Amato, A.Amicucci, F.Amra, C.Ananyeva, A.Anderson, S.B.Anderson, W.G.Andia, M.Ando, M.Andrés-Carcasona, M.Andrić, T.Anglin, J.Ansoldi, S.Antelis, J.M.Antier, S.Aoumi, M.Appavuravther, E.Z.Appert, S.Apple, S.K.Arai, K.Araya, A.Araya, M.C.Arca Sedda, M.Areeda, J.S.Aritomi, N.Armato, F.Armstrong, S.Arnaud, N.Arogeti, M.Aronson, S.M.Ashton, G.Aso, Y.Asprea, L.Assiduo, M.Assis de Souza Melo, S.Aston, S.M.Astone, P.Attadio, F.Aubin, F.AultONeal, K.Avallone, G.Avila, E.A.Babak, S.Badger, C.Bae, S.Bagnasco, S.Baiotti, L.Bajpai, R.Baka, T.Baker, A.M.Baker, K.A.Baker, T.Baldi, G.Baldicchi, N.Ball, M.Ballardin, G.Ballmer, S.W.Banagiri, S.Banerjee, B.Bankar, D.Baptiste, T.M.Baral, P.Baratti, M.Barayoga, J.C.Barish, B.C.Barker, D.Barman, N.Barneo, P.Barone, F.Barr, B.Barsotti, L.Barsuglia, M.Barta, D.Bartoletti, A.M.Barton, M.A.Bartos, I.Basalaev, A.Bassiri, R.Basti, A.Bawaj, M.Baxi, P.Bayley, J.C.Baylor, A.C.Baynard, P.A.Bazzan, M.Bedakihale, V.M.Beirnaert, F.Bejger, M.Belardinelli, D.Bell, A.S.Bellie, D.S.Bellizzi, L.Benoit, W.Bentara, I.Bentley, J.D.Ben Yaala, M.Bera, S.Bergamin, F.Berger, B.K.Bernuzzi, S.Beroiz, M.Berry, C.P.L.Bersanetti, D.Bertheas, T.Bertolini, A.Betzwieser, J.Beveridge, D.Bevilacqua, G.Bevins, N.Bhagwat, S.Bhandare, R.Bhatt, R.Bhattacharjee, D.Bhattacharyya, S.Bhaumik, S.Biancalana, V.Bianchi, A.Bilenko, I.A.Billingsley, G.Binetti, A.Bini, S.Binu, C.Biot, S.Birnholtz, O.Biscoveanu, S.Bisht, A.Bitossi, M.Bizouard, M-ABlaber, S.Blackburn, J.K.Blagg, L.A.Blair, C.D.Blair, D.G.Bode, N.Boettner, N.Boileau, G.Boldrini, M.Bolingbroke, G.N.Bolliand, A.Bonavena, L.D.Bondarescu, R.Bondu, F.Bonilla, E.Bonilla, M.S.Bonino, A.Bonnand, R.Borchers, A.Borhanian, S.Boschi, V.Bose, S.Bossilkov, V.Bothra, Y.Boudon, A.Bourg, L.Boyle, M.Bozzi, A.Bradaschia, C.Brady, P.R.Branch, A.Branchesi, M.Braun, I.Briant, T.Brillet, A.Brinkmann, M.Brockill, P.Brockmueller, E.Brooks, A.F.Brown, B.C.Brown, D.D.Brozzetti, M.L.Brunett, S.Bruno, G.Bruntz, R.Bryant, J.Bu, Y.Bucci, F.Buchanan, J.Bulashenko, O.Bulik, T.Bulten, H.J.Buonanno, A.Burtnyk, K.Buscicchio, R.Buskulic, D.Calderón Bustillo, J.Buy, C.Byer, R.L.Cáceres-Barbosa, V.Cabourn Davies, G.S.Cabrita, R.Cadonati, L.Cagnoli, G.Cahillane, C.Calafat, A.Callister, T.A.Calloni, E.Callos, S.R.Canepa, M.Caneva Santoro, G.Cannon, K.C.Cao, H.Capistran, L.A.Capocasa, E.Capote, E.Capurri, G.Carapella, G.Carbognani, F.Carlassara, M.Carlin, J.B.Carlson, T.K.Carney, M.F.Carpinelli, M.Carrillo, G.Carter, J.J.Carullo, G.Casallas-Lagos, A.Casanueva Diaz, J.Casentini, C.Castro-Lucas, S.Y.Caudill, S.Cavaglià, M.Cavalieri, R.Ceja, A.Cella, G.Cerdá-Durán, 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A.Mishra, C.Mishra, T.Mitchell, A.L.Mitchell, J.G.Mitman, K.Mitra, S.Mitrofanov, V.P.Mitsuhashi, K.Mittleman, R.Miyakawa, O.Miyoki, S.Miyoko, A.Mo, G.Mobilia, L.Mohapatra, S.R.P.Mohite, S.R.Molina-Ruiz, M.Mondin, M.Montani, M.Moore, C.J.Moraru, D.More, A.More, S.Moreno, C.Moreno, E.A.Moreno, G.Moreso Serra, A.Morisaki, S.Moriwaki, Y.Morras, G.Moscatello, A.Mould, M.Mours, B.Mow-Lowry, C.M.Muccillo, L.Muciaccia, F.Mukherjee, D.Samanwaya MukherjeeSoma MukherjeeSubroto MukherjeeSuvodip MukherjeeMukund, N.Mullavey, A.Mullock, H.Mundi, J.Mungioli, C.L.Murakoshi, M.Murray, P.G.Nabari, D.Nadji, S.L.Nagar, A.Nagarajan, N.Nakagaki, K.Nakamura, K.Nakano, H.Nakano, M.Nanadoumgar-Lacroze, D.Nandi, D.Napolano, V.Narayan, P.Nardecchia, I.Narikawa, T.Narola, H.Naticchioni, L.Nayak, R.K.Negri, L.Nela, A.Nelle, C.Nelson, A.Nelson, T.J.N.Nery, M.Neunzert, A.Ng, S.Nguyen Quynh, L.Nichols, S.A.Nielsen, A.B.Nishino, Y.Nishizawa, A.Nissanke, S.Niu, W.Nocera, F.Noller, J.Norman, M.North, C.Novak, J.Nowicki, R.Nuño Siles, J.F.Nuttall, L.K.O'Dell, J.O'Hanlon, T.O'Neal, B.O'Reilly, B.O'Shaughnessy, R.O'Shea, S.Obayashi, K.Oberling, J.Oelker, E.Oertel, M.Oganesyan, G.Ohashi, M.Ohme, F.Oliveri, R.Omer, R.Onishi, M.Oohara, K.Orselli, M.Oshino, S.Osthelder, C.Ota, I.Ottaway, D.J.Ouzriat, A.Overmier, H.Owen, B.J.Ozaki, R.Pürrer, M.Pálfi, M.Périgois, C.Pace, A.E.Pagano, R.Page, M.A.Pai, A.Paiella, L.Pal, A.Pal, S.Palaia, M.A.Palma, P.P.Palomba, C.Palud, P.Pan, H.Pan, J.Pan, K.C.Panda, P.K.Shiksha PandeySwadha PandeyPang, P.T.H.Pannarale, F.Pannone, K.A.Pant, B.C.Panther, F.H.Panzeri, M.Paoletti, F.Paolone, A.Papadopoulos, A.Papalexakis, E.E.Papalini, L.Papigkiotis, G.Paquis, A.Parisi, A.Park, B-JPark, J.
Issued Date
2025-09
DOI
10.1103/kw5g-d732
URI
https://scholarworks.unist.ac.kr/handle/201301/88756
Fulltext
https://journals.aps.org/prl/abstract/10.1103/kw5g-d732
Citation
Physical review letters, v.135, no.11, pp.111403
Abstract
The gravitational-wave signal GW250114 was observed by the two LIGO detectors with a network matched-filter signal-to-noise ratio of 80. The signal was emitted by the coalescence of two black holes with near-equal masses m_{1}=33.6_{-0.8}^{+1.2}M_{⊙} and m_{2}=32.2_{-1.3}^{+0.8}M_{⊙}, and small spins χ_{1,2}≤0.26 (90% credibility) and negligible eccentricity e≤0.03. Postmerger data excluding the peak region are consistent with the dominant quadrupolar (ℓ=|m|=2) mode of a Kerr black hole and its first overtone. We constrain the modes' frequencies to ±30% of the Kerr spectrum, providing a test of the remnant's Kerr nature. We also examine Hawking's area law, also known as the second law of black hole mechanics, which states that the total area of the black hole event horizons cannot decrease with time. A range of analyses that exclude up to five of the strongest merger cycles confirm that the remnant area is larger than the sum of the initial areas to high credibility.
Publisher
AMER PHYSICAL SOC
ISSN
0031-9007

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