Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...209..362o&link_type=abstract
Astrophysical Journal, vol. 209, Oct. 15, 1976, pt. 1, p. 362-371.
Astronomy and Astrophysics
Astronomy
1
Centimeter Waves, Compton Effect, High Energy Electrons, Microwave Emission, Quasars, Radio Sources (Astronomy), Synchrotron Radiation, Astronomical Models, Cosmology, Energy Spectra, Red Shift, Relativistic Particles
Scientific paper
It is shown that any synchrotron radiation source of sufficient compactness and containing relativistic electrons whose energy spectrum extends down to the MeV range will be able to generate observable centimeter-wavelength inverse-Compton radiation provided reasonable values of source magnetic-field strengths are assumed, and provided also that the relativistic electron energy stored in the source exceeds certain minimum values. The model is illustrated with the aid of 4C 39.25, a centimeter-excess source known to be a QSS, and the data are found not to be inconsistent with a cosmological interpretation of the associated redshift. It is also suggested that if the radiative power output of the model centimeter-excess radio source is not insignificant relative to the relativistic electron energy store, then temporal variations in source intensity may ensue.
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