Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979ap%26ss..61..337b&link_type=abstract
Astrophysics and Space Science, vol. 61, no. 2, Apr. 1979, p. 337-347. Research supported by the University Grants Commission.
Astronomy and Astrophysics
Astrophysics
2
Early Stars, Laser Plasma Interactions, Quasars, Stellar Atmospheres, Stellar Models, Astronomical Models, Astronomical Spectroscopy, Line Spectra, Spectral Line Width, Stellar Temperature
Scientific paper
The investigations on the plasma laser star model of QSOs reported in a previous paper are continued. It is assumed that QSOs are early-type stars with temperatures in the range from 10,000 to 100,000 K. It is pointed out that the spectral lines of such stars may have asymmetric shapes and large broadening; leading to errors in measurement up to 20 A. The conventional redshift theory, however, allows fitting errors much more than this amount for many QSO emission lines. By taking the abundances of elements in QSO atmospheres identical with the average cosmic abundance, the interpretations of the emission lines of 330 QSOs (263 QSOs are from Burbidge et al.'s list and the rest are more recently discovered QSOs) according to the new and the conventional theories are analyzed and compared.
Banerji Sudhansukumar
Bhar G. C.
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