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Observation of Gravitational Waves from Two Neutron Star–Black Hole Coalescences

Abbott, R. and Abbott, T. D. and Abraham, S. and Acernese, F. and Ackley, K. and Adams, A. and Adams, C. and Adhikari, R. X. and Adya, V. B. and Affeldt, C. and Agarwal, D. and Agathos, M. and Agatsuma, K. and Aggarwal, N. and Aguiar, O. D. and Aiello, L. and Ain, A. and Ajith, P. and Akutsu, T. and Aleman, K. M. and Allen, G. and Allocca, A. and Altin, P. A. and Amato, A. and Anand, S. and Ananyeva, A. and Anderson, S. B. and Anderson, W. G. and Ando, M. and Angelova, S. V. and Ansoldi, S. and Antelis, J. M. and Antier, S. and Appert, S. and Arai, Koya and Arai, Koji and Arai, Y. and Araki, S. and Araya, A. and Araya, M. C. and Areeda, J. S. and Arène, M. and Aritomi, N. and Arnaud, N. and Aronson, S. M. and Arun, K. G. and Asada, H. and Asali, Y. and Ashton, G. and Aso, Y. and Aston, S. M. and Astone, P. and Aubin, F. and Aufmuth, P. and AultONeal, K. and Austin, C. and Babak, S. and Badaracco, F. and Bader, M. K. M. and Bae, S. and Bae, Y. and Baer, A. M. and Bagnasco, S. and Bai, Y. and Baiotti, L. and Baird, J. and Bajpai, R. and Ball, M. and Ballardin, G. and Ballmer, S. W. and Bals, M. and Balsamo, A. and Baltus, G. and Banagiri, S. and Bankar, D. and Bankar, R. S. and Barayoga, J. C. and Barbieri, C. and Barish, B. C. and Barker, D. and Barneo, P. and Barone, F. and Barr, B. and Barsotti, L. and Barsuglia, M. and Barta, D. and Bartlett, J. and Barton, M. A. and Bartos, I. and Bassiri, R. and Basti, A. and Bawaj, M. and Bayley, J. C. and Baylor, A. C. and Bazzan, M. and Bécsy, B. and Bedakihale, V. M. and Bejger, M. and Belahcene, I. and Benedetto, V. and Beniwal, D. and Benjamin, M. G. and Benkel, R. and Bennett, T. F. and Bentley, J. D. and BenYaala, M. and Bergamin, F. and Berger, B. K. and Bernuzzi, S. and Berry, C. P. L. and Bersanetti, D. and Bertolini, A. and Betzwieser, J. and Bhandare, R. and Bhandari, A. V. and Bhattacharjee, D. and Bhaumik, S. and Bidler, J. and Bilenko, I. A. and Billingsley, G. and Birney, R. and Birnholtz, O. and Biscans, S. and Bischi, M. and Biscoveanu, S. and Bisht, A. and Biswas, B. and Bitossi, M. and Bizouard, M.-A. and Blackburn, J. K. and Blackman, J. and Blair, C. D. and Blair, D. G. and Blair, R. M. and Bobba, F. and Bode, N. and Boer, M. and Bogaert, G. and Boldrini, M. and Bondu, F. and Bonilla, E. and Bonnand, R. and Booker, P. and Boom, B. A. and Bork, R. and Boschi, V. and Bose, N. and Bose, S. and Bossilkov, V. and Boudart, V. and Bouffanais, Y. and Bozzi, A. and Bradaschia, C. and Brady, P. R. and Bramley, A. and Branch, A. and Branchesi, M. and Brau, J. E. and Breschi, M. and Briant, T. and Briggs, J. H. and Brillet, A. and Brinkmann, M. and Brockill, P. and Brooks, A. F. and Brooks, J. and Brown, D. D. and Brunett, S. and Bruno, G. and Bruntz, R. and Bryant, J. and Buikema, A. and Bulik, T. and Bulten, H. J. and Buonanno, A. and Buscicchio, R. and Buskulic, D. and Byer, R. L. and Cadonati, L. and Caesar, M. and Cagnoli, G. and Cahillane, C. and Cain III, H. W. and Calderón Bustillo, J. and Callaghan, J. D. and Callister, T. A. and Calloni, E. and Camp, J. B. and Canepa, M. and Cannavacciuolo, M. and Cannon, K. C. and Cao, H. and Cao, J. and Cao, Z. and Capocasa, E. and Capote, E. and Carapella, G. and Carbognani, F. and Carlin, J. B. and Carney, M. F. and Carpinelli, M. and Carullo, G. and Carver, T. L. and Casanueva Diaz, J. and Casentini, C. and Castaldi, G. and Caudill, S. and Cavaglià, M. and Cavalier, F. and Cavalieri, R. and Cella, G. and Cerdá-Durán, P. and Cesarini, E. and Chaibi, W. and Chakravarti, K. and Champion, B. and Chan, C.-H. and Chan, C. and Chan, C. L. and Chan, M. and Chandra, K. and Chanial, P. and Chao, S. and Charlton, P. and Chase, E. A. and Chassande-Mottin, E. and Chatterjee, D. and Chaturvedi, M. and Chatziioannou, K. and Chen, A. and Chen, C. and Chen, H. Y. and Chen, J. and Chen, K. and Chen, X. and Chen, Y.-B. and Chen, Y.-R. and Chen, Z. and Cheng, H. and Cheong, C. K. and Cheung, H. Y. and Chia, H. Y. and Chiadini, F. and Chiang, C-Y. and Chierici, R. and Chincarini, A. and Chiofalo, M. L. and Chiummo, A. and Cho, G. and Cho, H. S. and Choate, S. and Choudhary, R. K. and Choudhary, S. and Christensen, N. and Chu, H. and Chu, Q. and Chu, Y-K. and Chua, S. and Chung, K. W. and Ciani, G. and Ciecielag, P. and Cieślar, M. and Cifaldi, M. and Ciobanu, A. A. and Ciolfi, R. and Cipriano, F. and Cirone, A. and Clara, F. and Clark, E. N. and Clark, J. A. and Clarke, L. and Clearwater, P. and Clesse, S. and Cleva, F. and Coccia, E. and Cohadon, P.-F. and Cohen, D. E. and Cohen, L. and Colleoni, M. and Collette, C. G. and Colpi, M. and Compton, C. M. and Constancio, M., Jr. and Conti, L. and Cooper, S. J. and Corban, P. and Corbitt, T. R. and Cordero-Carrión, I. and Corezzi, S. and Corley, K. R. and Cornish, N. and Corre, D. and Corsi, A. and Cortese, S. and Costa, C. A. and Cotesta, R. and Coughlin, M. W. and Coughlin, S. B. and Coulon, J.-P. and Countryman, S. T. and Cousins, B. and Couvares, P. and Covas, P. B. and Coward, D. M. and Cowart, M. J. and Coyne, D. C. and Coyne, R. and Creighton, J. D. E. and Creighton, T. D. and Criswell, A. W. and Croquette, M. and Crowder, S. G. and Cudell, J. R. and Cullen, T. J. and Cumming, A. and Cummings, R. and Cuoco, E. and Curyło, M. and Dal Canton, T. and Dálya, G. and Dana, A. and DaneshgaranBajastani, L. M. and D’Angelo, B. and Danilishin, S. L. and D’Antonio, S. and Danzmann, K. and Darsow-Fromm, C. and Dasgupta, A. and Datrier, L. E. H. and Dattilo, V. and Dave, I. and Davier, M. and Davies, G. S. and Davis, D. and Daw, E. J. and Dean, R. and DeBra, D. and Deenadayalan, M. and Degallaix, J. and De Laurentis, M. and Deléglise, S. and Del Favero, V. and De Lillo, F. and De Lillo, N. and Del Pozzo, W. and DeMarchi, L. M. and De Matteis, F. and D’Emilio, V. and Demos, N. and Dent, T. and Depasse, A. and De Pietri, R. and De Rosa, R. and De Rossi, C. and DeSalvo, R. and De Simone, R. and Dhurandhar, S. and Díaz, M. C. and Diaz-Ortiz, M., Jr. and Didio, N. A. and Dietrich, T. and Di Fiore, L. and Di Fronzo, C. and Di Giorgio, C. and Di Giovanni, F. and Di Girolamo, T. and Di Lieto, A. and Ding, B. and Di Pace, S. and Di Palma, I. and Di Renzo, F. and Divakarla, A. K. and Dmitriev, A. and Doctor, Z. and D’Onofrio, L. and Donovan, F. and Dooley, K. L. and Doravari, S. and Dorrington, I. and Drago, M. and Driggers, J. C. and Drori, Y. and Du, Z. and Ducoin, J.-G. and Dupej, P. and Durante, O. and D’Urso, D. and Duverne, P.-A. and Dwyer, S. E. and Easter, P. J. and Ebersold, M. and Eddolls, G. and Edelman, B. and Edo, T. B. and Edy, O. and Effler, A. and Eguchi, S. and Eichholz, J. and Eikenberry, S. S. and Eisenmann, M. and Eisenstein, R. A. and Ejlli, A. and Enomoto, Y. and Errico, L. and Essick, R. 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B. and Kozakai, C. and Kozu, R. and Kringel, V. and Krishnendu, N. V. and Królak, A. and Kuehn, G. and Kuei, F. and Kumar, A. and Kumar, P. and Kumar, Rahul and Kumar, Rakesh and Kume, J. and Kuns, K. and Kuo, C. and Kuo, H-S. and Kuromiya, Y. and Kuroyanagi, S. and Kusayanagi, K. and Kwak, K. and Kwang, S. and Laghi, D. and Lalande, E. and Lam, T. L. and Lamberts, A. and Landry, M. and Landry, P. and Lane, B. B. and Lang, R. N. and Lange, J. and Lantz, B. and La Rosa, I. and Lartaux-Vollard, A. and Lasky, P. D. and Laxen, M. and Lazzarini, A. and Lazzaro, C. and Leaci, P. and Leavey, S. and Lecoeuche, Y. K. and Lee, H. K. and Lee, H. M. and Lee, H. W. and Lee, J. and Lee, K. and Lee, R. and Lehmann, J. and Lemaître, A. and Leon, E. and Leonardi, M. and Leroy, N. and Letendre, N. and Levin, Y. and Leviton, J. N. and Li, A. K. Y. and Li, B. and Li, J. and Li, K. L. and Li, T. G. F. and Li, X. and Lin, C.-Y. and Lin, F.-K. and Lin, F.-L. and Lin, H. L. and Lin, L. C.-C. and Linde, F. and Linker, S. D. and Linley, J. N. and Littenberg, T. B. and Liu, G. C. and Liu, J. and Liu, K. and Liu, X. and Llorens-Monteagudo, M. and Lo, R. K. L. and Lockwood, A. and Lollie, M. L. and London, L. T. and Longo, A. and Lopez, D. and Lorenzini, M. and Loriette, V. and Lormand, M. and Losurdo, G. and Lough, J. D. and Lousto, C. O. and Lovelace, G. and Lück, H. and Lumaca, D. and Lundgren, A. P. and Luo, L.-W. and Macas, R. and MacInnis, M. and Macleod, D. M. and MacMillan, I. A. O. and Macquet, A. and Magaña Hernandez, I. and Magaña-Sandoval, F. and Magazzù, C. and Magee, R. M. and Maggiore, R. and Majorana, E. and Makarem, C. and Maksimovic, I. and Maliakal, S. and Malik, A. and Man, N. and Mandic, V. and Mangano, V. and Mango, J. L. and Mansell, G. L. and Manske, M. and Mantovani, M. and Mapelli, M. and Marchesoni, F. and Marchio, M. and Marion, F. and Mark, Z. and Márka, S. and Márka, Z. and Markakis, C. and Markosyan, A. 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(2021) Observation of Gravitational Waves from Two Neutron Star–Black Hole Coalescences. Astrophysical Journal Letters, 915 (1). Art. No. L5. ISSN 2041-8205. doi:10.3847/2041-8213/ac082e. https://resolver.caltech.edu/CaltechAUTHORS:20210719-213056759

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Abstract

We report the observation of gravitational waves from two compact binary coalescences in LIGO's and Virgo's third observing run with properties consistent with neutron star–black hole (NSBH) binaries. The two events are named G_W200105_162426 and GW200115_042309, abbreviated as GW200105 and GW200115; the first was observed by LIGO Livingston and Virgo and the second by all three LIGO–Virgo detectors. The source of GW200105 has component masses 8.9^(+1.2)_(-1.5) and 1.9^(+0.3)_(-0.2) M_⊙, whereas the source of GW200115 has component masses 5.7^(+1.8)_(-2.1) and 1.5^(+0.7)_(-0.3) M_⊙ (all measurements quoted at the 90% credible level). The probability that the secondary's mass is below the maximal mass of a neutron star is 89%–96% and 87%–98%, respectively, for GW200105 and GW200115, with the ranges arising from different astrophysical assumptions. The source luminosity distances are 280⁺¹¹⁰₋₁₁₀ and 300⁺¹⁵⁰₋₁₀₀ Mpc, respectively. The magnitude of the primary spin of GW200105 is less than 0.23 at the 90% credible level, and its orientation is unconstrained. For GW200115, the primary spin has a negative spin projection onto the orbital angular momentum at 88% probability. We are unable to constrain the spin or tidal deformation of the secondary component for either event. We infer an NSBH merger rate density of 45⁺⁷⁵₋₃₃ Gpc⁻³ yr⁻¹ when assuming that GW200105 and GW200115 are representative of the NSBH population or 130⁺¹¹²₋₆₉ Gpc⁻³ yr⁻¹ under the assumption of a broader distribution of component masses.


Item Type:Article
Related URLs:
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https://doi.org/10.3847/2041-8213/ac082eDOIArticle
https://arxiv.org/abs/2106.15163arXivDiscussion Paper
ORCID:
AuthorORCID
Adhikari, R. X.0000-0002-5731-5076
Anand, S.0000-0003-3768-7515
Anderson, S. B.0000-0003-2219-9383
Arai, Koji0000-0001-8916-8915
Araya, M. C.0000-0002-6018-6447
Barish, B. C.0000-0001-6386-7371
Billingsley, G.0000-0002-4141-2744
Biscans, S.0000-0002-9635-7527
Biscoveanu, S.0000-0001-7616-7366
Biswas, B.0000-0003-2131-1476
Bizouard, M.-A.0000-0002-4618-1674
Blackburn, J. K.0000-0002-3838-2986
Blackman, J.0000-0002-7113-0289
Brooks, A. F.0000-0003-4295-792X
Buscicchio, R.0000-0002-7387-6754
Cahillane, C.0000-0002-3888-314X
Calderón Bustillo, J.0000-0002-4171-5884
Callister, T. A.0000-0001-9892-177X
Capocasa, E.0000-0003-3762-6958
Cesarini, E.0000-0001-9127-3167
Chatziioannou, K.0000-0002-5833-413X
Chen, Y.-B.0000-0002-9730-9463
Chiummo, A.0000-0003-2165-2967
Christensen, N.0000-0002-6870-4202
Cordero-Carrión, I.0000-0002-1985-1361
Coughlin, M. W.0000-0002-8262-2924
Couvares, P.0000-0002-2823-3127
Coyne, D. C.0000-0002-6427-3222
Croquette, M.0000-0002-8581-5393
Dal Canton, T.0000-0001-5078-9044
D’Angelo, B.0000-0001-9143-8427
Darsow-Fromm, C.0000-0001-9602-0388
Datrier, L. E. H.0000-0002-0290-3129
Davis, D.0000-0001-5620-6751
Degallaix, J.0000-0002-1019-6911
De Laurentis, M.0000-0002-9945-682X
Deléglise, S.0000-0002-8680-5170
De Lillo, F.0000-0003-4977-0789
De Lillo, N.0000-0002-5083-3639
Del Pozzo, W.0000-0003-3978-2030
DeMarchi, L. M.0000-0003-4587-2366
De Matteis, F.0000-0001-7860-9754
Depasse, A.0000-0003-1014-8394
De Pietri, R.0000-0003-1556-8304
De Rosa, R.0000-0002-4918-0247
DeSalvo, R.0000-0002-4818-0296
De Simone, R.0000-0002-7555-8856
Di Giorgio, C.0000-0003-2127-3991
Di Giovanni, F.0000-0001-8568-9334
Di Girolamo, T.0000-0003-2339-4471
Di Lieto, A.0000-0002-4787-0754
Di Pace, S.0000-0001-6759-5676
Di Palma, I.0000-0003-1544-8943
Di Renzo, F.0000-0002-5447-3810
Dmitriev, A.0000-0002-0314-956X
D’Onofrio, L.0000-0001-9546-5959
Drori, Y.0000-0001-6590-1828
Edo, T. B.0000-0001-9828-028X
Eikenberry, S. S.0000-0002-1332-5061
Evans, T. M.0000-0003-4387-4843
Fafone, V.0000-0003-1314-1622
Farah, A. M.0000-0002-6121-0285
Fauchon-Jones, E. J.0000-0002-4200-892X
Fazio, M. A.0000-0002-9057-9663
Feicht, J.0000-0001-5223-7091
Fejer, M. M.0000-0002-5512-1905
Fernandez-Galiana, A.0000-0002-8940-9261
Fritschel, P.0000-0003-1983-3187
Fronzé, G. G.0000-0003-0966-4279
Giesler, M.0000-0003-2300-893X
Gopakumar, A.0000-0003-4274-4369
Gupta, Anchal0000-0002-1762-9644
Hannuksela, O. A.0000-0002-3887-7137
Harry, I. W.0000-0002-5304-9372
Helmling-Cornell, A. F.0000-0002-7709-8638
Hernandez Vivanco, F.0000-0002-1942-7608
Ho, W. C. G.0000-0002-6089-6836
Huang, Y.-C.0000-0001-8786-7026
Hui, D. C. Y.0000-0003-1753-1660
JaberianHamedan, V.0000-0003-3605-4169
Kamai, B.0000-0001-6521-9351
Kanner, J. B.0000-0001-8115-0577
Kapasi, D. P.0000-0001-8189-4920
Karathanasis, C.0000-0002-0642-5507
Kasprzack, M.0000-0003-4618-5939
Khalili, F. Y.0000-0001-7068-2332
Kijbunchoo, N.0000-0002-2874-1228
Kinley-Hanlon, M.0000-0002-7367-8002
Kong, A. K. H.0000-0002-5105-344X
Kovalam, M.0000-0001-8143-9696
Kozak, D. B.0000-0003-3118-8950
Krishnendu, N. V.0000-0002-3483-7517
Lazzarini, A.0000-0002-5993-8808
Lecoeuche, Y. K.0000-0002-9186-7034
Li, A. K. Y.0000-0001-6728-6523
Li, T. G. F.0000-0003-4297-7365
Lin, C.-Y.0000-0002-7489-7418
Lo, R. K. L.0000-0003-1561-6716
MacMillan, I. A. O.0000-0002-6927-1031
Magaña Hernandez, I.0000-0003-2362-0459
Mantovani, M.0000-0002-4424-5726
Mapelli, M.0000-0001-8799-2548
Marchesoni, F.0000-0001-6482-1842
Márka, S.0000-0002-3957-1324
Márka, Z.0000-0003-1306-5260
Markowitz, A.0000-0003-0223-2342
Martin, I. W.0000-0001-7300-9151
Martynov, D. V.0000-0003-0679-1344
Masalehdan, H.0000-0002-4589-0815
Massinger, T. J.0000-0002-3429-5025
Masso-Reid, M.0000-0001-6177-8105
Mastrogiovanni, S.0000-0003-1606-4183
Mateu-Lucena, M.0000-0003-4817-6913
Matichard, F.0000-0001-8982-8418
Matiushechkina, M.0000-0002-9957-8720
McCuller, L.0000-0003-0851-0593
Menendez-Vazquez, A.0000-0002-0828-8219
Meshkov, S.0000-0002-7973-5338
Michaloliakos, I.0000-0003-2980-358X
Mitrofanov, V. P.0000-0002-6983-4981
Mo, Geoffrey0000-0001-6331-112X
Ng, S. W. S.0000-0001-5843-1434
Nguyen Quynh, L.0000-0002-1828-3702
Nuttall, L. K.0000-0002-8599-8791
Ossokine, S.0000-0002-2579-1246
Ottaway, D. J.0000-0001-6794-1591
Pang, P. T. H.0000-0001-7041-3239
Pannarale, F.0000-0002-7537-3210
Pascucci, D.0000-0003-1907-0175
Passaquieti, R.0000-0003-4753-9428
Patricelli, B.0000-0001-6709-0969
Pele, A.0000-0002-1873-3769
Peña Arellano, F. E.0000-0002-8516-5159
Pereira, A.0000-0003-1856-6881
Pereira, T.0000-0003-1856-6881
Piccinni, O. J.0000-0001-5478-3950
Piergiovanni, F.0000-0001-8063-828X
Pierini, L.0000-0003-0945-2196
Piotrzkowski, K.0000-0002-6226-957X
Plastino, W.0000-0002-5737-6346
Porter, E. K.0000-0001-7042-0914
Prokhorov, L.0000-0002-0869-185X
Punturo, M.0000-0001-8722-4485
Quetschke, V.0000-0002-8012-4868
Quitzow-James, R.0000-0003-1233-633X
Raaijmakers, G.0000-0002-9397-786X
Ramos-Buades, A.0000-0002-6874-7421
Razzano, M.0000-0003-4825-1629
Reitze, D. H.0000-0002-5756-1111
Richardson, J. W.0000-0002-1472-4806
Rollins, J. G.0000-0002-9388-2799
Romero-Shaw, I. M.0000-0002-4181-8090
Ross, M. P.0000-0002-8955-5269
Sachdev, S.0000-0002-2432-7070
Salafia, O. S.0000-0003-4924-7322
Sanchez, L. E.0000-0001-6903-5736
Sanchis-Gual, N.0000-0001-5375-7494
Sathyaprakash, B. S.0000-0003-3845-7586
Savage, R. L.0000-0003-3317-1036
Scheel, M.0000-0001-6656-9134
Schnabel, R.0000-0003-2896-4218
Schutz, B. F.0000-0001-9487-6983
Shcheblanov, N. S.0000-0001-8696-2435
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Shoemaker, D. M.0000-0002-9899-6357
Sieniawska, M.0000-0001-5895-5537
Sigg, D.0000-0003-4606-6526
Singer, L. P.0000-0001-9898-5597
Slagmolen, B. J. J.0000-0002-2471-3828
Smith, R. J. E.0000-0001-8516-3324
Sorazu, B.0000-0002-6178-3198
Sordini, V.0000-0003-0885-824X
Steinlechner, J.0000-0003-4710-8548
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Additional Information:© 2021. The Author(s). Published by the American Astronomical Society. Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Received 2021 April 29; revised 2021 June 3; accepted 2021 June 4; published 2021 June 29. This material is based upon work supported by the NSF's LIGO Laboratory, which is a major facility fully funded by the National Science Foundation. The authors also gratefully acknowledge the support of the Science and Technology Facilities Council (STFC) of the United Kingdom, the Max Planck Society (MPS), and the State of Niedersachsen/Germany for support of the construction of Advanced LIGO and construction and operation of the GEO600 detector. Additional support for Advanced LIGO was provided by the Australian Research Council. The authors gratefully acknowledge the Italian Istituto Nazionale di Fisica Nucleare (INFN), the French Centre National de la Recherche Scientifique (CNRS), and the Netherlands Organization for Scientific Research for the construction and operation of the Virgo detector and the creation and support of the EGO consortium. The authors also gratefully acknowledge research support from these agencies, as well as the Council of Scientific and Industrial Research of India, the Department of Science and Technology, India, the Science & Engineering Research Board (SERB), India, the Ministry of Human Resource Development, India, the Spanish Agencia Estatal de Investigación, the Vicepresidència i Conselleria d'Innovació Recerca i Turisme and the Conselleria d'Educació i Universitat del Govern de les Illes Balears, the Conselleria d'Innovació Universitats, Ciència i Societat Digital de la Generalitat Valenciana and the CERCA Programme Generalitat de Catalunya, Spain, the National Science Centre of Poland and the Foundation for Polish Science (FNP), the Swiss National Science Foundation (SNSF), the Russian Foundation for Basic Research, the Russian Science Foundation, the European Commission, the European Regional Development Funds (ERDF), the Royal Society, the Scottish Funding Council, the Scottish Universities Physics Alliance, the Hungarian Scientific Research Fund (OTKA), the French Lyon Institute of Origins (LIO), the Belgian Fonds de la Recherche Scientifique (FRS-FNRS), Actions de Recherche Concertés (ARC) and Fonds Wetenschappelijk Onderzoek—Vlaanderen (FWO), Belgium, the Paris Île-de-France Region, the National Research, Development and Innovation Office Hungary (NKFIH), the National Research Foundation of Korea, the Natural Science and Engineering Research Council Canada, Canadian Foundation for Innovation (CFI), the Brazilian Ministry of Science, Technology, and Innovations, the International Center for Theoretical Physics South American Institute for Fundamental Research (ICTP-SAIFR), the Research Grants Council of Hong Kong, the National Natural Science Foundation of China (NSFC), the Leverhulme Trust, the Research Corporation, the Ministry of Science and Technology (MOST), Taiwan, the United States Department of Energy, and the Kavli Foundation. The authors gratefully acknowledge the support of the NSF, STFC, INFN, and CNRS for provision of computational resources. This work was supported by MEXT, the JSPS Leading-edge Research Infrastructure Program, JSPS Grant-in-Aid for Specially Promoted Research 26000005, JSPS Grant-in-Aid for Scientific Research on Innovative Areas 2905: JP17H06358, JP17H06361, and JP17H06364, JSPS Core-to-Core Program A. Advanced Research Networks, JSPS Grant-in-Aid for Scientific Research (S) 17H06133, the joint research program of the Institute for Cosmic Ray Research, University of Tokyo, National Research Foundation (NRF) and Computing Infrastructure Project of KISTI-GSDC in Korea, Academia Sinica (AS), AS Grid Center (ASGC) and the Ministry of Science and Technology (MoST) in Taiwan under grants including AS-CDA-105-M06, Advanced Technology Center (ATC) of NAOJ, and Mechanical Engineering Center of KEK. Some of the parameter estimation analyses presented in this paper were performed using supercomputer clusters at Swinburne University of Technology (OzSTAR and SSTAR), Cardiff University (ARCCA), the Max Planck Institute for Gravitational Physics (Hypatia), and the Barcelona Supercomputing Center—Centro Nacional de Supercomputación. We would like to thank all of the essential workers who put their health at risk during the COVID-19 pandemic, without whom we would not have been able to complete this work. Software: The detection of the signal and subsequent significance evaluation were performed with the GstLAL-based inspiral software pipeline (Cannon et al. 2012; Privitera et al. 2014; Messick et al. 2017; Sachdev et al. 2019; Hanna et al. 2020), built on the LALSuite software library (LIGO Scientific Collaboration 2018), and with the PyCBC (Usman et al. 2016; Nitz et al. 2018, 2019a) and MBTA Online (Adams et al. 2016) packages. Parameter estimation was performed with the LALInference (Veitch et al. 2015) and LALSimulation libraries within LALSuite (LIGO Scientific Collaboration 2018), as well as the bilby and pbilby Libraries (Ashton et al. 2019; Smith et al. 2020) and the dynesty nested sampling package (Speagle 2020). Estimates of the noise spectra were obtained using BayesWave (Cornish & Littenberg 2015; Littenberg & Cornish 2015). Parameter estimation results were visualized and shared with the PESummary software library (Hoy & Raymond 2020). Plots were prepared with Matplotlib (Hunter 2007). Figure 1 was generated using GWpy (Macleod et al. 2020). The sky map plot also used Astropy (http://www.astropy.org), a community-developed core Python package for astronomy (Robitaille et al. 2013; Price-Whelan et al. 2018), and ligo.skymap (https://lscsoft.docs.ligo.org/ligo.skymap).
Group:LIGO
Funders:
Funding AgencyGrant Number
NSFUNSPECIFIED
Science and Technology Facilities Council (STFC)UNSPECIFIED
Max Planck SocietyUNSPECIFIED
State of Niedersachsen/GermanyUNSPECIFIED
Australian Research CouncilUNSPECIFIED
Istituto Nazionale di Fisica Nucleare (INFN)UNSPECIFIED
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)UNSPECIFIED
Council of Science and Industrial Research (India)UNSPECIFIED
Department of Science and Technology (India)UNSPECIFIED
Science and Engineering Research Board (SERB)UNSPECIFIED
Ministry of Human Resource Development (India)UNSPECIFIED
Agencia Estatal de InvestigaciónUNSPECIFIED
Vicepresidència i Conselleria d'Innovació Recerca i TurismeUNSPECIFIED
Conselleria d'Educació i Universitat del Govern de les Illes BalearsUNSPECIFIED
Conselleria d'Innovació Universitats, Ciència i Societat Digital de la Generalitat ValencianaUNSPECIFIED
Generalitat de CatalunyaUNSPECIFIED
National Science Centre (Poland)UNSPECIFIED
Foundation for Polish ScienceUNSPECIFIED
Swiss National Science Foundation (SNSF)UNSPECIFIED
Russian Foundation for Basic ResearchUNSPECIFIED
Russian Science FoundationUNSPECIFIED
European CommissionUNSPECIFIED
European Regional Development FundUNSPECIFIED
Royal SocietyUNSPECIFIED
Scottish Funding CouncilUNSPECIFIED
Scottish Universities Physics AllianceUNSPECIFIED
Hungarian Scientific Research Fund (OTKA)UNSPECIFIED
Lyon Institute of Origins (LIO)UNSPECIFIED
Fonds de la Recherche Scientifique (FNRS)UNSPECIFIED
Actions de Recherche ConcertéesUNSPECIFIED
Fonds Wetenschappelijk Onderzoek (FWO)UNSPECIFIED
Île-de-France RegionUNSPECIFIED
National Research, Development and Innovation Fund (NKFIA)UNSPECIFIED
National Research Foundation of KoreaUNSPECIFIED
Natural Science and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Canada Foundation for Innovation (CFI)UNSPECIFIED
Ministério da Ciência, Tecnologia, Inovações e Comunicações (MCTIC)UNSPECIFIED
International Center for Theoretical Physics South American Institute for Fundamental Research (ICTP-SAIFR)UNSPECIFIED
Research Grants Council of Hong KongUNSPECIFIED
National Natural Science Foundation of ChinaUNSPECIFIED
Leverhulme TrustUNSPECIFIED
Research CorporationUNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
Kavli FoundationUNSPECIFIED
Ministry of Education, Culture, Sports, Science and Technology (MEXT)UNSPECIFIED
Japan Society for the Promotion of Science (JSPS)26000005
Japan Society for the Promotion of Science (JSPS)JP17H06358
Japan Society for the Promotion of Science (JSPS)JP17H06361
Japan Society for the Promotion of Science (JSPS)JP17H06364
Japan Society for the Promotion of Science (JSPS)17H06133
Institute for Cosmic Ray ResearchUNSPECIFIED
National Research Foundation of KoreaUNSPECIFIED
Korea Institute of Science and Technology (KIST)UNSPECIFIED
Academia SinicaUNSPECIFIED
AS Grid Center (ASGC)UNSPECIFIED
Ministry of Science and Technology (Taipei)AS-CDA-105-M06
National Astronomical Observatory of JapanUNSPECIFIED
Kō Enerugī Kasokuki Kenkyū Kikō (KEK)UNSPECIFIED
Other Numbering System:
Other Numbering System NameOther Numbering System ID
LIGO DocumentP2000357
Issue or Number:1
DOI:10.3847/2041-8213/ac082e
Record Number:CaltechAUTHORS:20210719-213056759
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20210719-213056759
Official Citation:R. Abbott et al 2021 ApJL 915 L5
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:109931
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:19 Jul 2021 22:47
Last Modified:28 Oct 2022 19:10

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