Radio-emission spectra and surface brightnesses of radio galaxies

Details Radio-emission spectra and surface brightnesses of radio galaxies Radio-emission spectra and surface brightnesses of radio galaxies

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pazh...16..675m&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 16, Aug. 1990, p. 675-678. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

Brightness Distribution, Emission Spectra, Galactic Evolution, Radio Emission, Radio Galaxies, Star Formation, Galactic Nuclei, Quasars, Radio Spectra, Radio Telescopes, Surface Properties

Scientific paper

It is shown that radio galaxies with flat radio-emission spectra have, on the average, significantly higher optical surface brightness than radio galaxies with steep spectra. The results obtained also suggest that radio galaxies with flat spectra are in a more active phase of evolution than galaxies with steep spectra. Intense star-formation processes appear to be occurring in the galaxies with flat spectra.

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