File:PhysRevLett.125.101102.pdf
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GW190521: A Binary Black Hole Merger with a Total Mass of 150 Mo
Summary[edit]
| Description |
English: On May 21, 2019 at 03:02:29 UTC Advanced LIGO and Advanced Virgo observed a short duration gravitational-wave signal, GW190521, with a three-detector network signal-to-noise ratio of 14.7, and an estimated false-alarm rate of 1 in 4900 yr using a search sensitive to generic transients. If GW190521 is from a quasicircular binary inspiral, then the detected signal is consistent with the merger of two black holes with masses of 85+21−14 M⊙ and 66+17−18 M⊙ (90% credible intervals). We infer that the primary black hole mass lies within the gap produced by (pulsational) pair-instability supernova processes, with only a 0.32% probability of being below 65 M⊙. We calculate the mass of the remnant to be 142+28−16 M⊙, which can be considered an intermediate mass black hole (IMBH). The luminosity distance of the source is 5.3+2.4−2.6 Gpc, corresponding to a redshift of 0.82+0.28−0.34. The inferred rate of mergers similar to GW190521 is 0.13+0.30−0.11 Gpc−3 yr−1. |
| Date | |
| Source |
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.125.101102 https://doi.org/10.1103/PhysRevLett.125.101102 |
| Author | R. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration) |
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This file, which was originally posted to
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.125.101102, was reviewed on 8 September 2023 by reviewer Юрий Д.К., who confirmed that it was available there under the stated license on that date.
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