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Uspekhi Fizicheskikh Nauk, 2019, Volume 189, Number 11, Pages 1230–1239
DOI: https://doi.org/10.3367/UFNr.2019.04.038593 (Mi ufn6519) 		 
This article is cited in 13 scientific papers (total in 15 papers)

CONFERENCES AND SYMPOSIA

Spins of black holes in coalescing compact binaries

K. A. Postnovabc, A. G. Kuranovad, N. A. Mitichkinab

a Lomonosov Moscow State University, Sternberg Astronomical Institute
b Faculty of Physics, Lomonosov Moscow State University
c Novosibirsk State University, Department of Physics
d All-Russian Academy of International Trade
Full-text PDF (740 kB) Citations (15)
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DOI: https://doi.org/10.3367/UFNr.2019.04.038593
Abstract: Modern astrophysical methods for determining spins of rotating stellar-mass black holes in close binaries and of supermassive black holes in active galactic nuclei are briefly discussed. Effective spins of coalescing binary black holes derived from LIGO/Virgo gravitational wave observations are specially addressed. The effective spins of coalescing astrophysical binary black holes and black holes with neutron stars are calculated for two plausible models of black hole formation from stellar core collapses (without or with an additional fallback from the stellar envelope) taking the stellar metallicity and star formation rate evolution in the Universe into account. The calculated distributions are consistent with the reported LIGO/Virgo observations. Distributions of the effective spins expected in yet undiscovered neutron star–black hole binaries have been calculated. The effective spins of primordial coalescing stellar-mass black holes can reach a few percent due to the accretion spin-up in a cold external medium.
Funding agency Grant number
Russian Science Foundation 19-42-02004
Lomonosov Moscow State University
The work is partially supported by the RSF grant no. 19-42-02004 and by the Scientific School of Lomonosov Moscow State University ‘Physics of Stars, Relativistic Objects and Galaxies.’
Received: June 13, 2019
Accepted: April 3, 2019
English version:
Physics–Uspekhi, 2019, Volume 62, Issue 11, Pages 1153–1161
DOI: https://doi.org/10.3367/UFNe.2019.04.038593
Bibliographic databases:
Document Type: Article
PACS: 04.30.-w, 97.60.Lf
Language: Russian
Citation: K. A. Postnov, A. G. Kuranov, N. A. Mitichkin, “Spins of black holes in coalescing compact binaries”, UFN, 189:11 (2019), 1230–1239; Phys. Usp., 62:11 (2019), 1153–1161
Citation in format AMSBIB
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