Narrow line profiles and interacting gas flows in active galaxies

Details Narrow line profiles and interacting gas flows in active galaxies Narrow line profiles and interacting gas flows in active galaxies

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.218..651m&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 218, Feb. 15, 1986, p. 651-662. SERC-supported research

Astronomy and Astrophysics

Astronomy

9

Active Galaxies, Astronomical Models, Emission Spectra, Galactic Nuclei, Gas Flow, Line Shape, Spectral Line Width, Gas Density, Interactions, Molecular Clouds, Subsonic Flow, Supersonic Flow, Wind Velocity, X Ray Spectra

Scientific paper

The "catapult model" of the narrow line region involves both infalling and outflowing clouds interacting with an outflowing wind. The authors derive the emission line profiles in this model and compare the results with observation. Supersonic and subsonic winds in the interaction zone produce distinct line profiles, both of which are observed. Flat-topped profiles, the presence of broad wings, asymmetry and line shifts are discussed. A relationship between profile shape and X-ray properties is predicted.

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