Jet power extracted from ADAF and the applications to X-ray binaries and radio galaxy FR dichotomy

Details Jet power extracted from ADAF and the applications to X-ray binaries and radio galaxy FR dichotomy Jet power extracted from ADAF and the applications to X-ray binaries and radio galaxy FR dichotomy

2008-07-15

arxiv.org/abs/0807.2288v2

Astronomy and Astrophysics

Astrophysics

6 pages, 3 color figures, ApJ in press, edited with ApJ style and English is improved as suggested by Editor

Scientific paper

10.1086/591933

We calculate the jet power of the classical Blandford-Znajek(BZ) model and hybrid model developed by Meier based on the global solutions of advection dominated accretion flows (ADAFs) surrounding Kerr black holes. We find that the jet power of the hybrid model is larger than that of the pure BZ model. The jet power will dominate over the accretion power, and the objects will enter into "jet-power-dominated advective systems", when the accretion rate is less than a critical value mdot_c=Mdot_c/Mdot_Edd, where 3*10^-4 < mdot_c < 5*10^-3 is a function of black hole spin parameter. The accretion power will be dominant when mdot

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