Kinematics and ionization of extended gas in active galaxies. V - The Seyfert galaxy NGC 5548

Details Kinematics and ionization of extended gas in active galaxies. V - The Seyfert galaxy NGC 5548 Kinematics and ionization of extended gas in active galaxies. V - The Seyfert galaxy NGC 5548

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...339..729w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 339, April 15, 1989, p. 729-741. Research supported by the University of Wa

Astronomy and Astrophysics

Astrophysics

36

Astronomical Spectroscopy, Gas Ionization, Kinematics, Seyfert Galaxies, Active Galactic Nuclei, H Beta Line, H Ii Regions, Spatial Distribution, Spectral Line Width

Scientific paper

It is found that NGC 5548 contains a spatially extended high-excitation
narrow-line region with line widths ranging between 500 and 100 km/s
(FWHM). This nebulosity is elongated along the axis of the triple radio
source. The peak of optical continuum light (nucleus) coincides with the
peak of the forbidden O III 5007 A distribution.

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