Profiles of emission lines in AGN – I. Observations of [O III] lines

Open Access

1 June 1988

journal article
Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society

Vol. 232 (3) , 525-538
https://doi.org/10.1093/mnras/232.3.525

Abstract

We present high-resolution (35 km s^–1) spectroscopic observations of the [O III]λ4959/5007 emission lines in 13 southern active galactic nuclei. Profile parameters are presented for each object, using the characterization methods defined by Heckman et al. and Whittle. The parameters are compared with measures from other authors, obtained with different resolutions and detectors. We show also the very unusual [O III]λ5007 profile of NGC 7213, with two very distinct components, a narrow one being attributable to a ‘classical’ Narrow Line. Region, and a very wide one which may originate in a region characteristic of LINERs.

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