Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...226...26c&link_type=abstract
Astrophysical Journal, Part 1, vol. 226, Nov. 15, 1978, p. 26-31.
Astronomy and Astrophysics
Astrophysics
16
Electron Scattering, Extragalactic Radio Sources, Low Frequencies, Quasars, Radio Emission, Synchrotron Radiation, Astronomical Models, Earth Magnetosphere, High Frequencies, Pitch (Inclination), Ripples, Thomson Scattering
Scientific paper
A radiation mechanism consisting of the scattering of magnetic irregularities by high-energy electrons (ripple scattering) is applied to explain the observed radio radiation of compact astronomical sources. A consistent model for the low-frequency variable compact radio source 3C 454.3 is constructed in which high-energy (gamma = 200 to 2000) electrons are moving in an essentially rigid magnetosphere (curvature radius of about 200 lt-yr, magnetic field of about 0.04 G), emitting high-frequency radio radiation by the small-pitch-angle synchrotron mechanisms (pitch angle of approximately 0.01 rad) and low-frequency radiation by the ripple emission (irregularity size of about 800,000 cm).
Cocke William J.
Hopf F. A.
Pacholczyk A. G.
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