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Article Dans Une Revue Monthly Notices of the Royal Astronomical Society Année : 2010

Relativistic jets in active galactic nuclei: time variability

Résumé

We show that a jet in an active galactic nucleus (AGN) is produced by a rotating massive black hole. The jet contains relativistic protons accelerated by the corotating radial magnetic field, which is brought to the black hole horizon by the accreting disc matter. The Lorentz factor of protons at the light cylinder surface can gain a value of gamma as high as ~= 105. The main proton energy is in the azimuthal rotation, and only a small part is in the radial motion. The jet matter, flowing out slowly behind the light cylinder, vr = cgamma-1/2, is accelerated moving in the expanding poloidal magnetic field (magnetic nozzle) and it obtains a longitudinal Lorentz factor of Gamma ~= (B/BL)-1/2
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hal-03732686 , version 1 (09-09-2022)

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Yakov Istomin. Relativistic jets in active galactic nuclei: time variability. Monthly Notices of the Royal Astronomical Society, 2010, 408, pp.1307-1312. ⟨10.1111/j.1365-2966.2010.17219.x⟩. ⟨hal-03732686⟩
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