Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984azh....61..112c&link_type=abstract
(Astronomicheskii Zhurnal, vol. 61, Jan.-Feb. 1984, p. 112-117) Soviet Astronomy (ISSN 0038-5301), vol. 28, Jan.-Feb. 1984, p. 6
Astronomy and Astrophysics
Astronomy
Compton Effect, Pulsars, Quasars, Angular Distribution, Anisotropy, Electron Acceleration, Electron Energy, Electron Scattering, Emission Spectra, Optical Emission Spectroscopy, Relativistic Electron Beams
Scientific paper
Analytical expressions are obtained for the Compton losses of the energy of nonrelativistic and relativistic electrons for various kinds of anisotropy of the emission. It is shown that at the surface of a powerful emission source, the nonrelativistic electrons can rapidly gain energy up to 0.03 MeV (the energy gain is proportional to beta). Further energy gain ceases owing to losses to emission. These losses are proportional to beta squared, where beta = v/c. Relativistic electrons will gain energy in Compton scattering so long as the radiation is concentrated in a narrow cone of angles less than arccos beta along the velocity vector of the electron. It is shown that near a quasar electrons gain an energy of about 0.03 MeV rapidly, in a time of less than a few days. If in the region of optical emission in pulsar NP 0532 the magnetic field strength is 5 x 10 to the 6th Oe and the relativistic electrons move at pitch angles of less than 0.001 rad to the field, then for electrons with energies less than 1000 mc-squared the Compton energy gain will dominate over the synchrotron losses.
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