The energetics and evolution of jet-fed radio sources

Details The energetics and evolution of jet-fed radio sources The energetics and evolution of jet-fed radio sources

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...342..187e&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 342, July 1, 1989, p. 187-207.

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60

Computational Astrophysics, Evolution (Development), Radio Jets (Astronomy), Radio Sources (Astronomy), Electron Acceleration, Electron Energy, Luminosity, Magnetohydrodynamic Waves, Radiative Lifetime

Scientific paper

A simple, global model of a radio source is used to investigate the dynamic and energetic evolution of the source and to predict the evolution of its total and radio luminosities. The evolution of the average electron energy with time is studied, and the effects of local reacceleration of the electrons is examined, assuming that some of the turbulent energy is tapped for reacceleration. It is found that the general trends of source evolution are not greatly changed by reacceleration, and that a source with a steady rate of energy input will be brightest, in a fixed observing band, at an age comparable with the electron radiative lifetime, and is likely to fade thereafter.

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