GW190814: Gravitational Waves from the Coalescence of a 23 Solar Mass Black Hole with a 2.6 Solar Mass Compact Object

verfasst von: The LIGO Scientific Collaboration , Virgo Collaboration , R. Abbott, T. D. Abbott, S. Abraham, F. Acernese, K. Ackley, C. Adams, R. X. Adhikari, V. B. Adya, C. Affeldt, M. Agathos, K. Agatsuma, N. Aggarwal, O. D. Aguiar, A. Aich, L. Aiello, A. Ain, P. Ajith, S. Akcay, G. Allen, A. Allocca, P. A. Altin, A. Amato, S. Anand, A. Ananyeva, S. B. Anderson, W. G. Anderson, S. V. Angelova, S. Ansoldi, S. Antier, S. Appert, K. Arai, M. C. Araya, J. S. Areeda, M. Arène, N. Arnaud, S. M. Aronson, K. G. Arun, Y. Asali, S. Ascenzi, G. Ashton, S. L. Danilishin, K. Danzmann, M. Heurs, H. Lück, D. Steinmeyer, H. Vahlbruch, L.-w. Wei, D. M. Wilken, B. Willke, H. Wittel, Sukanta Bose, D. D. Brown, Y. B. Chen, Hai-Ping Cheng, Manuela Hanke, Hannah Hansen, J. Hennig, M. T. Hübner, Sanjeev Kumar, R. N. Lang, C. H. Lee, H. M. Lee, H. W. Lee, X. Li, C. A. Rose, D. Rose, J. R. Sanders, Patricia Schmidt, L. Sun, Y. F. Wang, L. V. White, D. S. Wu, L. Zhang, X. J. Zhu, Minchuan Zhou, Fabio Bergamin, G. Bergmann, A. Bisht, Nina Bode, P. Booker, M. Brinkmann, M. Cabero, N. Gohlke, J. Heinze, O. de Varona, S. Hochheim, J. Junker, W. Kastaun, S. Khan, R. Kirchhoff, P. Koch, N. Koper, S. M. Köhlenbeck, V. Kringel, N. V. Krishnady, G. Kuehn, S. Leavey, J. Lehmann, J. Liu, J. D. Lough, M. Mehmet, Fabian Meylahn, N. Mukund, M. Nery, F. Ohme, P. Oppermann, E. Schreiber, B. W. Schulte, M. Phelps, Y. Setyawati, M. Steinke, M. Standke, M. Weinert, F. Wellmann, Peter Weßels, W. Winkler, J. Woehler, Peter Aufmuth, Steffen Kaufer
Abstract: We report the observation of a compact binary coalescence involving a 22.2-24.3 M o˙ black hole and a compact object with a mass of 2.50-2.67 M o˙ (all measurements quoted at the 90% credible level). The gravitational-wave signal, GW190814, was observed during LIGO's and Virgo's third observing run on 2019 August 14 at 21:10:39 UTC and has a signal-to-noise ratio of 25 in the three-detector network. The source was localized to 18.5 deg2 at a distance of 241 +41-41 Mpc; no electromagnetic counterpart has been confirmed to date. The source has the most unequal mass ratio yet measured with gravitational waves , 0.112+0.0090.008, , and its secondary component is either the lightest black hole or the heaviest neutron star ever discovered in a double compact-object system. The dimensionless spin of the primary black hole is tightly constrained to ≤0.07. Tests of general relativity reveal no measurable deviations from the theory, and its prediction of higher-multipole emission is confirmed at high confidence. We estimate a merger rate density of 1-23 Gpc-3 yr-1 for the new class of binary coalescence sources that GW190814 represents. Astrophysical models predict that binaries with mass ratios similar to this event can form through several channels, but are unlikely to have formed in globular clusters. However, the combination of mass ratio, component masses, and the inferred merger rate for this event challenges all current models of the formation and mass distribution of compact-object binaries.
Organisationseinheit(en): QUEST Leibniz Forschungsschule
Institut für Gravitationsphysik
QuantumFrontiers
Externe Organisation(en): Washington State University Pullman
Inter-University Centre for Astronomy and Astrophysics India
University of Adelaide
University of Florida (UF)
Massachusetts Institute of Technology (MIT)
LIGO Laboratory
Monash University
Tata Institute of Fundamental Research (TIFR HYD)
Inje University
California Institute of Technology (Caltech)
California State University Fullerton
The California State University
Radboud Universität Nijmegen (RU)
University of Melbourne
The Chinese University of Hong Kong
University of Texas Rio Grande Valley
Syracuse University
Northwestern University
Max-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut)
Typ: Artikel
Journal: Astrophysical Journal Letters
Band: 896
Anzahl der Seiten: 30
ISSN: 2041-8205
Publikationsdatum: 23.06.2020
Publikationsstatus: Veröffentlicht
Peer-reviewed: Ja
ASJC Scopus Sachgebiete: Astronomie und Astrophysik, Astronomie und Planetologie
Elektronische Version(en): https://arxiv.org/abs/2006.12611 (Zugang: Offen)
https://doi.org/10.3847/2041-8213/ab960f (Zugang: Offen)
https://doi.org/10.15488/11393 (Zugang: Offen)
: Details im Forschungsportal „Research@Leibniz University“

BibTeX

@article{06b8018215444c1f9be3430f1bd14b54,
title = "GW190814: Gravitational Waves from the Coalescence of a 23 Solar Mass Black Hole with a 2.6 Solar Mass Compact Object",
abstract = "We report the observation of a compact binary coalescence involving a 22.2-24.3 M o˙ black hole and a compact object with a mass of 2.50-2.67 M o˙ (all measurements quoted at the 90% credible level). The gravitational-wave signal, GW190814, was observed during LIGO's and Virgo's third observing run on 2019 August 14 at 21:10:39 UTC and has a signal-to-noise ratio of 25 in the three-detector network. The source was localized to 18.5 deg2 at a distance of 241 +41-41 Mpc; no electromagnetic counterpart has been confirmed to date. The source has the most unequal mass ratio yet measured with gravitational waves , 0.112+0.0090.008, , and its secondary component is either the lightest black hole or the heaviest neutron star ever discovered in a double compact-object system. The dimensionless spin of the primary black hole is tightly constrained to ≤0.07. Tests of general relativity reveal no measurable deviations from the theory, and its prediction of higher-multipole emission is confirmed at high confidence. We estimate a merger rate density of 1-23 Gpc-3 yr-1 for the new class of binary coalescence sources that GW190814 represents. Astrophysical models predict that binaries with mass ratios similar to this event can form through several channels, but are unlikely to have formed in globular clusters. However, the combination of mass ratio, component masses, and the inferred merger rate for this event challenges all current models of the formation and mass distribution of compact-object binaries.",
author = "{The LIGO Scientific Collaboration} and {The Virgo Collaboration} and R. Abbott and Abbott, {T. D.} and S. Abraham and F. Acernese and K. Ackley and C. Adams and Adhikari, {R. X.} and Adya, {V. B.} and C. Affeldt and M. Agathos and K. Agatsuma and N. Aggarwal and Aguiar, {O. D.} and A. Aich and L. Aiello and A. Ain and P. Ajith and S. Akcay and G. Allen and A. Allocca and Altin, {P. A.} and A. Amato and S. Anand and A. Ananyeva and Anderson, {S. B.} and Anderson, {W. G.} and Angelova, {S. V.} and S. Ansoldi and S. Antier and S. Appert and K. Arai and Araya, {M. C.} and Areeda, {J. S.} and M. Ar{\`e}ne and N. Arnaud and Aronson, {S. M.} and Arun, {K. G.} and Y. Asali and S. Ascenzi and G. Ashton and Danilishin, {S. L.} and K. Danzmann and M. Heurs and H. L{\"u}ck and D. Steinmeyer and H. Vahlbruch and L.-w. Wei and Wilken, {D. M.} and B. Willke and H. Wittel and Sukanta Bose and Brown, {D. D.} and Chen, {Y. B.} and Hai-Ping Cheng and Manuela Hanke and Hannah Hansen and J. Hennig and H{\"u}bner, {M. T.} and Sanjeev Kumar and Lang, {R. N.} and Lee, {C. H.} and Lee, {H. M.} and Lee, {H. W.} and X. Li and Rose, {C. A.} and D. Rose and Sanders, {J. R.} and Patricia Schmidt and L. Sun and Wang, {Y. F.} and White, {L. V.} and Wu, {D. S.} and L. Zhang and Zhu, {X. J.} and Minchuan Zhou and Fabio Bergamin and G. Bergmann and A. Bisht and Nina Bode and P. Booker and M. Brinkmann and M. Cabero and N. Gohlke and J. Heinze and {de Varona}, O. and S. Hochheim and J. Junker and W. Kastaun and S. Khan and R. Kirchhoff and P. Koch and N. Koper and K{\"o}hlenbeck, {S. M.} and V. Kringel and Krishnady, {N. V.} and G. Kuehn and S. Leavey and J. Lehmann and J. Liu and Lough, {J. D.} and M. Mehmet and Fabian Meylahn and N. Mukund and M. Nery and F. Ohme and P. Oppermann and E. Schreiber and Schulte, {B. W.} and M. Phelps and Y. Setyawati and M. Steinke and M. Standke and M. Weinert and F. Wellmann and Peter We{\ss}els and W. Winkler and J. Woehler and Peter Aufmuth and Steffen Kaufer",
note = "Funding Information: This research was supported by the U.S. Department of Energy Contract No. DE-FG03-86-ER13600. ",
year = "2020",
month = jun,
day = "23",
doi = "10.3847/2041-8213/ab960f",
language = "English",
volume = "896",
journal = "Astrophysical Journal Letters",
issn = "2041-8205",
publisher = "American Astronomical Society",
number = "2",
}

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