2011MNRAS.412.2260A


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.12CEST15:49:04

2011MNRAS.412.2260A - Mon. Not. R. Astron. Soc., 412, 2260-2264 (2011/April-3)

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

AXELSSON M., CHURCH R.P., DAVIES M.B., LEVAN A.J. and RYDE F.

Abstract (from CDS):

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.

Abstract Copyright: 2011 The Authors Monthly Notices of the Royal Astronomical Society2011 RAS

Journal keyword(s): black hole physics - binaries: close - X-rays: binaries - X-rays: individual: Cygnus X-1

Simbad objects: 9

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Number of rows : 9

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NAME IC 10 X-1 HXB 00 20 29.09 +59 16 51.9           ~ 148 0
2 NAME NGC 300 X-1 HXB 00 55 09.990 -37 42 12.16     22.44     WNE 103 1
3 NAME M33 X-7 HXB 01 33 34.13 +30 32 11.3 17.50 18.80 18.70     O 127 2
4 X LMC X-3 HXB 05 38 56.6325045489 -64 05 03.321118015   17 17.2     B2.5Ve 630 0
5 X LMC X-1 HXB 05 39 38.8285930597 -69 44 35.533031148   14.8 14.5     O8(f)p 560 2
6 HD 226868 HXB 19 58 21.6758193269 +35 12 05.782512305 9.38 9.72 8.91 8.42   O9.7Iabpvar 3925 0
7 Ass Cyg OB 3 As* 20 07 +35.9           ~ 165 0
8 V* V1521 Cyg HXB 20 32 25.78 +40 57 27.9           WN4/5-6/7 1765 2
9 HD 214419 WR* 22 36 53.9549498582 +56 54 20.985957352 8.68 9.21 8.80     WN6o+O9Ib/II 361 1

    Equat.    Gal    SGal    Ecl

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2020.07.12-15:49:04

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