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| Query : 2021MNRAS.504L..28K |
2021MNRAS.504L..28K - Mon. Not. R. Astron. Soc., 504, L28-L33 (2021/June-2)
Gravitational waves from Population III binary black holes are consistent with LIGO/Virgo O3a data for the chirp mass larger than ∼20 M☉.
KINUGAWA T., NAKAMURA T. and NAKANO H.
Abstract (from CDS):
The probability number distribution function of binary black hole mergers observed by LIGO/Virgo O3a has double peaks as a function of chirp mass Mchirp, total mass Mtotal, primary black hole mass M1, and secondary one M2, respectively. The larger chirp mass peak is at Mchirp~= 30 M☉. The distribution of M2 versus M1 follows the relation of M2~= 0.7M1. For initial mass functions of Population III stars in the form of f(M) ∝ M–α, population synthesis numerical simulations with 0 <= α <= 1.5 are consistent with O3a data for Mchirp >= 20 M☉. The distribution of M2 versus M1 for simulation data also agrees with M2 ~= 0.7M1 relation of O3a data.
Abstract Copyright: © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society
Journal keyword(s): gravitational waves - black hole mergers - stars: black holes - stars: Population III
Simbad objects: 3
| Number of rows : 3 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | GrW 190814 | GWE | 00 55.8 | -27 05 | ~ | 433 | 0 | |||||
| 2 | GRB 190425 | GWE | ~ | ~ | ~ | 438 | 0 | |||||
| 3 | GrW 190426 152155 | GWE | ~ | ~ | ~ | 66 | 0 |
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