Are QSOs local objects. I - A new interpretation of the emission and absorption spectra of a few QSOs

Details Are QSOs local objects. I - A new interpretation of the emission and absorption spectra of a few QSOs Are QSOs local objects. I - A new interpretation of the emission and absorption spectra of a few QSOs

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ap%26ss..87..217b&link_type=abstract

Astrophysics and Space Science, vol. 87, no. 1-2, Oct. 1982, p. 217-236. Research supported by the University Grants Commission

Astronomy and Astrophysics

Astrophysics

Absorption Spectra, Emission Spectra, Quasars, Red Shift, Spectrum Analysis, Stellar Spectra, Ultraviolet Spectra, Visible Spectrum, Wolf-Rayet Stars

Scientific paper

The similarities of the spectra of QSOs with those of Wolf-Rayet stars are pointed out. The emission spectrum of the earliest discovered QSO, 3C 273, in the ultraviolet and visible regions is interpreted as that of an object deficient in hydrogen-like Wolf-Rayet stars but having no redshift. The visible emission spectra of two other QSOs, 3C 48 and 3C 280.1, are also similarly interpreted. It is further assumed that the absorption lines of QSOs are produced in an expanding atmosphere so that they are violet shifted as in Wolf-Rayet stars. Fifty-four out of 55 narrow absorption lines of the QSO Q 1246-057 are interpreted on the assumption that the average velocity of the absorbing ions is approximately 500 km/s, although the redshift theory can explain only 23 lines by invoking six different redshifts: four of the five emission lines of the same object can be identified assuming no shift. Since the QSOs are here assumed to be comparatively local objects, the problems of energy supply, superluminal velocities, etc., raised by the conventional explanation do not arise in this case.

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