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

Title
Observation of Gravitational Waves from Two Neutron Star-Black Hole Coalescences
Authors
Abbott, R.Abbott, T. D.Abraham, S.Acernese, F.Ackley, K.Adams, A.Adams, C.Adhikari, R. X.Adya, V. B.Affeldt, C.Agarwal, D.Agathos, M.Agatsuma, K.Aggarwal, N.Aguiar, O. D.Aiello, L.Ain, A.Ajith, P.Akutsu, T.Aleman, K. M.Allen, G.Allocca, A.Altin, P. A.Amato, A.Anand, S.Ananyeva, A.Anderson, S. B.Anderson, W. G.Ando, M.Angelova, S., VAnsoldi, S.Antelis, J. M.Antier, S.Appert, S.Arai, KoyaArai, KojiArai, Y.Araki, S.Araya, A.Araya, M. C.Areeda, J. S.Arene, M.Aritomi, N.Arnaud, N.Aronson, S. M.Arun, K. G.Asada, H.Asali, Y.Ashton, G.Aso, Y.Aston, S. M.Astone, P.Aubin, F.Aufmuth, P.AultONeal, K.Austin, C.Babak, S.Badaracco, F.Bader, M. K. M.Bae, S.Bae, Y.Baer, A. M.Bagnasco, S.Bai, Y.Baiotti, L.Baird, J.Bajpai, R.Ball, M.Ballardin, G.Ballmer, S. W.Bals, M.Balsamo, A.Baltus, G.Banagiri, S.Bankar, D.Bankar, R. S.Barayoga, J. C.Barbieri, C.Barish, B. C.Barker, D.Barneo, P.Barone, F.Barr, B.Barsotti, L.Barsuglia, M.Barta, D.Bartlett, J.Barton, M. A.Bartos, IBassiri, R.Basti, A.Bawaj, M.Bayley, J. C.Baylor, A. C.Bazzan, M.Becsy, B.Bedakihale, V. M.Bejger, M.Belahcene, IBenedetto, VBeniwal, D.Benjamin, M. G.Benkel, R.Bennett, T. F.Bentley, J. D.BenYaala, M.Bergamin, F.Berger, B. K.Bernuzzi, S.Berry, C. P. L.Bersanetti, D.Bertolini, A.Betzwieser, J.Bhandare, R.Bhandari, A., VBhattacharjee, D.Bhaumik, S.Bidler, J.Bilenko, I. A.Billingsley, G.Birney, R.Birnholtz, O.Biscans, S.Bischi, M.Biscoveanu, S.Bisht, A.Biswas, B.Bitossi, M.Bizouard, M-ABlackburn, J. K.Blackman, J.Blair, C. D.Blair, D. G.Blair, R. M.Bobba, F.Bode, N.Boer, M.Bogaert, G.Boldrini, M.Bondu, F.Bonilla, E.Bonnand, R.Booker, P.Boom, B. A.Bork, R.Boschi, VBose, N.Bose, S.Bossilkov, VBoudart, VBouffanais, Y.Bozzi, A.Bradaschia, C.Brady, P. R.Bramley, A.Branch, A.Branchesi, M.Brau, J. E.Breschi, M.Briant, T.Briggs, J. H.Brillet, A.Brinkmann, M.Brockill, P.Brooks, A. F.Brooks, J.Brown, D. D.Brunett, S.Bruno, G.Bruntz, R.Bryant, J.Buikema, A.Bulik, T.Bulten, H. J.Buonanno, A.Buscicchio, R.Buskulic, D.Byer, R. L.Cadonati, L.Caesar, M.Cagnoli, G.Cahillane, C.Cain, H. W., IIIBustillo, J. CalderonCallaghan, J. D.Callister, T. A.Calloni, E.Camp, J. B.Canepa, M.Cannavacciuolo, M.Cannon, K. C.Cao, H.Cao, J.Cao, Z.Capocasa, E.Capote, E.Carapella, G.Carbognani, F.Carlin, J. B.Carney, M. F.Carpinelli, M.Carullo, G.Carver, T. L.Diaz, J. CasanuevaCasentini, C.Castaldi, G.Caudill, S.Cavaglia, M.Cavalier, F.Cavalieri, R.Cella, G.Cerda-Duran, P.Cesarini, E.Chaibi, W.Chakravarti, K.Champion, B.Chan, C-HChan, C.Chan, C. L.Chan, M.Chandra, K.Chanial, P.Chao, S.Charlton, P.Chase, E. A.Chassande-Mottin, E.Chatterjee, D.Chaturvedi, M.Chatziioannou, K.Chen, A.Chen, C.Chen, H. Y.Chen, J.Chen, K.Chen, X.Chen, Y-BChen, Y-RChen, Z.Cheng, H.Cheong, C. K.Cheung, H. Y.Chia, H. Y.Chiadini, F.Chiang, C-YChierici, R.Chincarini, A.Chiofalo, M. L.Chiummo, A.Cho, G.Cho, H. S.Choate, S.Choudhary, R. K.Choudhary, S.Christensen, N.Chu, H.Chu, Q.Chu, Y-KChua, S.Chung, K. 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E.Zweizig, J.|LIGO Sci CollaborationVirgo CollaborationKAGRA Collaboration
Ewha Authors
전건상김정리
SCOPUS Author ID
전건상scopus; 김정리scopus
Issue Date
2021
Journal Title
ASTROPHYSICAL JOURNAL LETTERS
ISSN
2041-8205JCR Link

2041-8213JCR Link
Citation
ASTROPHYSICAL JOURNAL LETTERS vol. 915, no. 1
Publisher
IOP PUBLISHING LTD
Indexed
SCIE; SCOPUS WOS scopus
Document Type
Article
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 GW200105_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(-1.5)(+1.2) and 1.9(-0.2)(+0.3)M(circle dot), whereas the source of GW200115 has component masses 5.7(-2.1)(+1.8) and 1.5(-0.3)(+0.7)M(circle dot) (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(-100)(+150) 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(-69)(+112) Gpc(-3) yr(-1) under the assumption of a broader distribution of component masses.
DOI
10.3847/2041-8213/ac082e
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자연과학대학 > 물리학전공 > Journal papers
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