Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....86..169b&link_type=abstract
Astronomy and Astrophysics, vol. 86, no. 1-2, June 1980, p. 169-180.
Astronomy and Astrophysics
Astrophysics
4
Line Spectra, Quasars, Radiation Absorption, Radiative Transfer, Spectrum Analysis, Stellar Winds, Absorption Spectra, Astronomical Models, Continuous Radiation, Critical Point, Luminosity, Spectral Line Width, Wind Velocity
Scientific paper
The analytic solutions for radiatively driven winds are given for the case in which the winds are driven by absorption of line and continuum radiation. The wind solutions are analytically estimated for different parameters of the central source and for different power law spectra. For flat spectra, three sonic points can exist; it is shown, however, that only one of these sonic points is physically realistic. Parameters of the central source are given which generate winds of further interest for explaining the narrow and broad absorption lines in quasars. For the quasar model presented here, winds which could give rise to the narrow absorption lines are generated by central sources with parameters which are not realistic for quasars.
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