Broad emission lines in the duelling wind model of active galaxies

Details Broad emission lines in the duelling wind model of active galaxies Broad emission lines in the duelling wind model of active galaxies

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.237..979m&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 237, April 15, 1989, p. 979-994. Research supported by

Astronomy and Astrophysics

Astronomy

12

Active Galactic Nuclei, Black Holes (Astronomy), Emission Spectra, Galactic Radiation, Quasars, Stellar Winds, Accretion Disks, Carbon, H Beta Line, Interstellar Gas, Line Spectra, Lyman Alpha Radiation, Photoionization

Scientific paper

The broad-line emission from clouds formed by the interaction of a nuclear mass outflow and a disk wind is investigated in the context of a quasar model. The line ratios and profiles are shown to be in general agreement with observations. Particular results include: (1) a density range compatible with suggested solutions to the Ly-alpha/H-beta problem which nevertheless yields the correct C III 1909-A flux; (2) broader lines from the inner higher density region despite an accelerated outflow; (3) compatibility between broad-line-region sizes from variability arguments and ionization parameters; and (4) blueshifted line-peaks apparently uncorrelated with line asymmetry.

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