Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.238.1479b&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 238, June 15, 1989, p. 1479-1495.
Astronomy and Astrophysics
Astronomy
19
Active Galactic Nuclei, Emission Spectra, Forbidden Transitions, Oxygen Spectra, Balmer Series, Kurtosis, Luminosity, Spectral Line Width
Scientific paper
An analysis of a sample of high-resolution forbidden-line O-III 5007-A profiles for AGN reveal that line kurtosis correlates with the narrow-line Balmer decrement, suggesting the presence of dust inside the narrow-line region. A correlation is noted between line FWHM and host galaxy inclination, revealing the planar and aligned nature of the narrow-line region velocity field. Although radio-quiet objects showed a good correlation between line FWHM and optical/radio luminosity, no such correlation was found for the radio-loud objects.
Busko Ivo C.
Steiner Joao Evangelista
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