Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978gregr...9..189s&link_type=abstract
General Relativity and Gravitation, vol. 9, Mar. 1978, p. 189-193.
Astronomy and Astrophysics
Astronomy
Astronomical Models, Black Holes (Astronomy), Gravitational Collapse, Quasars, Galactic Nuclei, Seyfert Galaxies, Solar Flares, Stellar Luminosity, Stellar Mass
Scientific paper
A model for QSOs and the nuclei of Seyfert Galaxies is proposed in which mass lost from stars in a galactic nucleus repeatedly builds to a critical density and then collapses to the center where it accretes onto a massive black hole (approximately 10 to the 8th solar masses), emitting great luminosity. This model describes a means of starting with an ordinary nucleus and developing conditions found in QSOs. By invoking intermittent flashes we overcome a difficulty previously encountered in similar models in which plausible sources of mass in reasonable galactic nuclei fail by a factor of approximately 10 to the -2 in fueling a black hole at QSO luminosities.
Shields Gregory A.
Wheeler Justin C.
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