Radiatively driven electron-positron jets from two component accretion flows

Details Radiatively driven electron-positron jets from two component accretion flows Radiatively driven electron-positron jets from two component accretion flows

2004-01-11

arxiv.org/abs/astro-ph/0401181v1

Mon.Not.Roy.Astron.Soc. 348 (2004) 846

Astronomy and Astrophysics

Astrophysics

24 pages, 8 figures, accepted in MNRAS

Scientific paper

10.1111/j.1365-2966.2004.07398.x

Matter accreting onto black holes has long been known to have standing or oscillating shock waves. The post-shock matter puffs up in the form of a torus, which intercepts soft photons from the outer Keplerian disc and inverse Comptonizes to produce hard photons. The post-shock region also produces jets. We study the interaction of both hard photons and soft photons, with on-axis electron-positron jets. We show that the radiation from post-shock torus accelerates the flow to relativistic velocities, while that from the Keplerian disc has marginal effect. We also show that, the velocity at infinity or terminal velocity ${\vartheta}$, depends on the shock location in the disc.

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