2012MNRAS.419L..69N

Query : 2012MNRAS.419L..69N

2012MNRAS.419L..69N - Mon. Not. R. Astron. Soc., 419, L69-L73 (2012/January-1)

Observational evidence for a correlation between jet power and black hole spin.

NARAYAN R. and McCLINTOCK J.E.

Abstract (from CDS):

We show that the 5-GHz radio flux of transient ballistic jets in black hole binaries correlates with the dimensionless black hole spin parameter a* estimated via the continuum-fitting method. The data suggest that jet power scales either as the square of a* or as the square of the angular velocity of the horizon ΩH. This is the first direct evidence that jets may be powered by black hole spin energy. The observed correlation validates the continuum-fitting method of measuring spin. In addition, for those black holes that have well-sampled radio observations of ballistic jets, the correlation may be used to obtain rough estimates of their spins.

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

Journal keyword(s): accretion, accretion discs - black hole physics - binaries: close - ISM: jets and outflows - X-rays: binaries

Simbad objects: 12

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Number of rows : 12
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NAME M33 X-7 HXB 01 33 34.13 +30 32 11.3 17.50 18.80 18.70     O 164 2
2 X LMC X-3 HXB 05 38 56.6323605504 -64 05 03.317937504   17 17.2     B2.5Ve 675 0
3 X LMC X-1 HXB 05 39 38.8284304464 -69 44 35.531553624   14.8 14.5     O8(f)p 640 2
4 1A 0620-00 HXB 06 22 44.5423857312 -00 20 44.290460544 10.60 11.40 11.2     K3V-K7V 1114 0
5 V* GU Mus HXB 11 26 26.5961559600 -68 40 32.877752952           K3V-K7V 715 1
6 ESO 383-35 Sy1 13 35 53.7691256160 -34 17 44.160716796   13.89 13.61 8.9   ~ 1488 0
7 V* IL Lup HXB 15 47 08.2768672752 -47 40 10.284587760     11.96     ~ 495 1
8 V* V381 Nor HXB 15 50 58.6637920704 -56 28 35.258385000   17.95 16.6     K3III 1173 0
9 V* V1033 Sco HXB 16 54 00.137 -39 50 44.90   15.20 14.2 16.14   F5IV 1887 1
10 V* V821 Ara HXB 17 02 49.3876391280 -48 47 23.087954544 16.20 16.30 15.5     ~ 2085 0
11 Granat 1915+105 HXB 19 15 11.55576 +10 56 44.9052           ~ 2629 0
12 HD 226868 HXB 19 58 21.6757355952 +35 12 05.784512688 9.38 9.72 8.91 8.42   O9.7Iabpvar 4337 0

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