Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.232..539c&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 232, June 1, 1988, p. 539-550.
Astronomy and Astrophysics
Astronomy
107
Active Galactic Nuclei, Emission Spectra, Interstellar Matter, Line Spectra, Star Clusters, Stellar Mass Ejection, Compton Effect, Shock Waves, Thermodynamic Equilibrium, X Ray Scattering
Scientific paper
The interaction of the radiation field, the wind, the star cluster, and the accretion disk is described in a two-component emission model in which the high-ionization broad lines (HILs) are produced in the vicinity of shocks in the wind and the low-ionization lines (LILs) are produced in the outer part of the accretion disk as a result of energy reflected from the flow above the disk. The present model resolves the well-known cloud confinement problem by gravitational confinement for the LILs and by postulating a transient cloud population for the HILs. The model can also explain the systematic velocity shifts noted between the HILs and LILs.
Collin-Souffrin Suzy
Dyson John E.
McDowell Jonathan C.
Perry Judith J.
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