Extended emission-line regions in active galaxies

Details Extended emission-line regions in active galaxies Extended emission-line regions in active galaxies

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....95.1363h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 95, May 1988, p. 1363-1370.

Astronomy and Astrophysics

Astronomy

7

Emission Spectra, Galactic Nuclei, Quasars, Red Shift, Seyfert Galaxies, Balmer Series, Charge Coupled Devices, Luminosity

Scientific paper

The authors present long-slit spectra of four active galaxies in the redshift range 0.06-0.10. Two have interacting companions. Spectra of the galaxies show extended narrow emission lines in all cases. The authors detected continuum color changes (B-V≡ -0.3 to 1.0), emission-line ratio changes, and velocity changes with 1arcsec resolution. Relative velocities between AGN and companion galaxies are also given. These objects appear to lie in galaxies in which there is considerable star-formation activity, and very extended line emission.

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