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Does the Narrow [Oiii] λ5007 Line Reflect the Stellar Velocity Dispersion in Active Galactic Nuclei?
2003
Astrophysical Journal
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It has been proposed that the width of the narrow [O III] 5007 emission line can be used as a surrogate for the stellar velocity dispersion in active galaxies. This proposition is tested using the SDSS EDR spectra of 107 low-redshift radio-quiet QSOs and Seyfert 1 galaxies by investigating the correlation between black hole mass, as determined from H-beta FWHM and optical luminosity, and [O III] FWHM. The correlation is real, but the scatter is large. Without additional information or selection
doi:10.1086/346111
fatcat:3ql3eayo7vebxmjgbpfmoivt3m