Optical nuclear activity in the radio galaxy 3C 465

Details Optical nuclear activity in the radio galaxy 3C 465 Optical nuclear activity in the radio galaxy 3C 465

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj....100...84d&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 100, July 1990, p. 84-95. Research supported by NSERC.

Astronomy and Astrophysics

Astrophysics

18

Astronomical Photometry, Astronomical Spectroscopy, Nuclear Astrophysics, Radio Galaxies, Absorption Spectra, Brightness Distribution, Emission Spectra, Line Spectra, Signal To Noise Ratios

Scientific paper

The presently discussed discovery of weak, high-ionization emission lines in the nuclei of radio galaxies which had been classified as quiescent absorption-line systems demonstrates that AGN-like activity does occur in the central galaxies of rich clusters. 3C 465-like objects can be considered the extreme low-luminosity end of active nuclei in the centers of rich clusters; the estimated magnitude of 3C 465's nuclear component, at -15.7, is consistent with the precipitous drop of the luminosities of quasars in clusters. 3C 465 appears to represent a new class of optically active objects.

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