Other
Scientific paper
May 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97.1306h&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 97, May 1989, p. 1306-1311.
Other
29
Active Galactic Nuclei, Astronomical Spectroscopy, Markarian Galaxies, Charge Coupled Devices, H Lines, Luminosity, Spatial Resolution, Ultraviolet Spectra
Scientific paper
Deep CCD imaging in broadband and forbidden O III wavelengths of the twin-nucleus active galaxy Markarian 463 is presented. These data show that the system has triple curved tails indicative of a strong tidal interaction and probable merger. Colors, morphology, and their implications are discussed. The forbidden O III line emission is seen to be extended and linear, perhaps filling twin cones with apex at the eastern optical nucleus. It is argued that this indicates nonisotropic radiation from an obscured AGN. Spatially resolved spectroscopy on and off the nuclei reveals that the radial velocities of the gas lie in a small range, unlike some other multiple nucleus systems. The nature of the emission-line regions is discussed, along with the evolutionary state of the system indicated by the present data and IR and radio data.
Hutchings John B.
Neff Susan G.
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