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On the origin of black hole spin in high-mass black hole binaries: Cygnus X-1

Axelsson, Magnus LU ; Church, Ross LU ; Davies, Melvyn B LU ; Levan, Andrew J. and Ryde, Felix (2011) In Monthly Notices of the Royal Astronomical Society 412(4). p.2260-2264
Abstract
To date, there have been several detections of high-mass black hole binaries in both the Milky Way and other galaxies. For some of these, the spin parameter of the black hole has been estimated. As many of these systems are quite tight, a suggested origin of the spin is angular momentum imparted by the synchronous rotation of the black hole progenitor with its binary companion. Using Cygnus X-1, the best studied high-mass black hole binary, we investigate this possibility. We find that such an origin of the spin is not likely, and our results point rather to the spin being the result of processes during the collapse.
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
black hole physics, binaries: close, X-rays: binaries, X-rays:, individual: Cygnus X-1
in
Monthly Notices of the Royal Astronomical Society
volume
412
issue
4
pages
2260 - 2264
publisher
Wiley-Blackwell
external identifiers
  • wos:000289295800010
  • scopus:79953792500
ISSN
1365-2966
DOI
10.1111/j.1365-2966.2010.18050.x
language
English
LU publication?
yes
id
a93ff298-7a29-4593-868b-59251812c4c2 (old id 1964889)
date added to LUP
2011-05-23 13:22:28
date last changed
2017-10-01 03:31:16
@article{a93ff298-7a29-4593-868b-59251812c4c2,
  abstract     = {To date, there have been several detections of high-mass black hole binaries in both the Milky Way and other galaxies. For some of these, the spin parameter of the black hole has been estimated. As many of these systems are quite tight, a suggested origin of the spin is angular momentum imparted by the synchronous rotation of the black hole progenitor with its binary companion. Using Cygnus X-1, the best studied high-mass black hole binary, we investigate this possibility. We find that such an origin of the spin is not likely, and our results point rather to the spin being the result of processes during the collapse.},
  author       = {Axelsson, Magnus and Church, Ross and Davies, Melvyn B and Levan, Andrew J. and Ryde, Felix},
  issn         = {1365-2966},
  keyword      = {black hole physics,binaries: close,X-rays: binaries,X-rays:,individual: Cygnus X-1},
  language     = {eng},
  number       = {4},
  pages        = {2260--2264},
  publisher    = {Wiley-Blackwell},
  series       = {Monthly Notices of the Royal Astronomical Society},
  title        = {On the origin of black hole spin in high-mass black hole binaries: Cygnus X-1},
  url          = {http://dx.doi.org/10.1111/j.1365-2966.2010.18050.x},
  volume       = {412},
  year         = {2011},
}