Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978azh....55..673v&link_type=abstract
(Astronomicheskii Zhurnal, vol. 55, July-Aug. 1978, p. 673-682.) Soviet Astronomy, vol. 22, July-Aug. 1978, p. 385-390. Transla
Astronomy and Astrophysics
Astronomy
1
Galactic Evolution, Galactic Nuclei, Supermassive Stars, Astronomical Models, Cosmology, Energy Distribution, Mass Distribution, Radiation Pressure, Stellar Envelopes, Stellar Models, Stellar Motions
Scientific paper
The consequences of the interaction between a galaxy and a central objects within it (a superstar) are examined. If 100 to 10,000 stars traverse the superstar annually, its energy balance would be assured (for an object of 10 million to 1 billion solar masses). Partial capture of mass from incoming stars will be compensated by outflow of mass from the surface of the superstar. A model for the mass loss is considered; it is shown that a complete theory should allow for the effect of stars in the galaxy on the properties of the outflow. A model radio source is proposed, and certain aspects of the variability of active extragalactic objects are interpreted.
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