Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ap%26ss..46..443v&link_type=abstract
Astrophysics and Space Science, vol. 46, Feb. 1977, p. 443-464. Research supported by the National Research Council of Canada.
Astronomy and Astrophysics
Astrophysics
9
Emission Spectra, Line Spectra, Quasars, Stellar Models, Stimulated Emission, Helium, Oxygen Ions, Oxygen Spectra, Red Shift, Stellar Spectra
Scientific paper
The plasma-laser star model for quasars, which is based on the hypotheses that there is no redshift in the spectra of quasars and that the strength of the emission lines is due to laser action, is further developed. Continuity is shown to exist between the spectra of O VI sequence planetary nuclei, Sanduleak stars, and 10 quasars. The O VI emission lines at 3811 and 3834 A and the He II line at 4686 A in the spectra of these 10 quasars are identified. Candidate identifications for other quasar lines are also suggested. Making use of the similarity between the spectra of O VI sequence planetary nuclei and those of the 10 quasars, absolute magnitudes, temperatures, and masses of these quasars are estimated. The distribution of quasars in galactic coordinates is also discussed. Three predictions are made.
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