The blueshift of the [OIII] emission line in narrow-line Seyfert 1 galaxies

Details The blueshift of the [OIII] emission line in narrow-line Seyfert 1 galaxies The blueshift of the [OIII] emission line in narrow-line Seyfert 1 galaxies

Nov 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005mnras.364..187b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 364, Issue 1, pp. 187-194.

Astronomy and Astrophysics

Astronomy

16

Galaxies: Active, Galaxies: Nuclei, Quasars: Emission Lines

Scientific paper

We investigate the radial velocity difference between the narrow emission-line components of [OIII]λ5007 and Hβ in a sample of 150 Sloan Digital Sky Survey narrow-line Seyfert 1 galaxies. Seven `blue outliers' with [OIII] blueshifted by more than 250 km s-1 are found. A strong correlation between the [OIII] blueshift and the Eddington ratio is found for these seven `blue outliers'. For the entire sample, we found a modest correlation between the blueshift and the linewidth of the narrow component of the [OIII] line. The reflected profile of [OIII] indicates two kinematically and physically distinct regions. The [OIII] linewidth depends not only on the bulge stellar gravitational potential, but also on the central black hole potential.

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