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Models for extragalactic radio sources

Published online by Cambridge University Press:  19 July 2016

W. Kundt
W. Kundt*
Affiliation:
Institut für Astrophysik der Universität, Auf dem Hugel 71, D-5300 BONN, WEST GERMANY

Abstract

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Doubt is cast on the reality of the following four assumptions commonly made in the treatment of extragalactic radio sources: (1) The central engine is a black hole; (2) Electrons can be accelerated in situ in the knots and heads of the jets, to large Lorentz factors γ ≥ 102, with an efficiency exceeding 30%; (3) The (non-thermal) radiation emitted by the beam fluid is isotropic in some (comoving) Lorentz frame; and (4) The flow velocity in the jets of SS 433 is v = 0.26 c.

Type
IV. Prime Movers, Models and Mechanisms
Information
Symposium - International Astronomical Union , Volume 119: Quasars , 1986 , pp. 415 - 416
Copyright
Copyright © Reidel 1986 

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