Nuclear winds and the narrow-line emission from active galaxies

Details Nuclear winds and the narrow-line emission from active galaxies Nuclear winds and the narrow-line emission from active galaxies

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...411..570s&link_type=abstract

Astrophysical Journal - Part 1 (ISSN 0004-637X), vol. 411, no. 2, p. 570-580.

Astronomy and Astrophysics

Astrophysics

22

Active Galactic Nuclei, Active Galaxies, Galactic Radiation, Quasars, Spectral Emission, Spectral Line Width, Cosmic Plasma, Forbidden Bands, Seyfert Galaxies, Supersonic Speed

Scientific paper

This paper discusses active galaxy narrow-line emission in the context of a supersonic wind generated by the active nucleus, a nuclear wind. Wind acceleration can naturally produce the inferred narrow-line cloud velocities as well as those of the broad-line and broad absorption line clouds with only a weak dependence on the parameters of the active nucleus. The primary obstacle to wind acceleration of emission-line clouds is the destructive effect of instabilities; however, the stability and structure of wind-confined clouds remain areas of future research. Observations, particularly of the Seyfert galaxy NGC 1068, are interpreted in the context of nuclear winds.

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