Publication Abstracts

Vrtilek and Carleton 1985

Vrtilek, J.M., and N.P. Carleton, 1985: Seyfert galaxy narrow-line regions. I. Observations of [O III] λ5007. Astrophys. J., 294, 106-120, doi:10.1086/163279.

High-resolution (23 km/s) spectra of the forbidden O III emission line at 500.7 nm from the nuclear regions of 32 Seyfert galaxies and low-redshift QSOs have been obtained at the Smithsonian Institution/University of Arizona Multiple Mirror Telescope. The properties of the data are summarized by a group of measures which efficiently describe the entire line profiles, are stable in the presence of noise, and have easily visualized geometric meaning.

The distributions of line profile measures are shown. In particular, typical [O III] FWHM values of 200-520 km/s (mean ±1 σ) and a highly significant tendency for the lines to fall off more slowly on the blue than on the red side of the peak have been found, in agreement with previous work. Using galaxian system velocities obtained from absorption-line measurements, the distribution of differences between [O III] emission-line velocities and galaxian system velocities has been determined; in disagreement with previous work, this distribution has been found to be consistent with symmetry about zero difference velocity.

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BibTeX Citation

  author={Vrtilek, J. M. and Carleton, N. P.},
  title={Seyfert galaxy narrow-line regions. I. Observations of [O III] λ5007},
  journal={Astrophysical Journal},

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RIS Citation

ID  - vr02000x
AU  - Vrtilek, J. M.
AU  - Carleton, N. P.
PY  - 1985
TI  - Seyfert galaxy narrow-line regions. I. Observations of [O III] λ5007
JA  - Astrophys. J.
JO  - Astrophysical Journal
VL  - 294
SP  - 106
EP  - 120
DO  - 10.1086/163279
ER  -

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