Spectrophotometry of three radio galaxies

Details Spectrophotometry of three radio galaxies Spectrophotometry of three radio galaxies

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mnras.183..479p&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 183, May 1978, p. 479-490.

Other

57

Astronomical Photometry, Astronomical Spectroscopy, Emission Spectra, Galactic Radiation, Radio Galaxies, Absorption Spectra, Abundance, Line Spectra, Tables (Data), Very Long Base Interferometry

Scientific paper

Scans of the radio galaxies 3C 33, 3C 327 and PKS 1934-63 are presented. All show strong emission lines but have red continua with stellar absorption features. The two 3C objects, which are classical double radio sources, have He II 4686-A emission stronger with respect to H-beta than any other galaxy yet reported. The Parkes radio source is known from VLBI measurements to have a sub-arcsecond double structure and has a synchrotron self-absorbed spectrum which peaks around 1000 MHz. It has a lower-excitation emission spectrum which is significantly reddened, presumably by the dust lane visible on an optical photograph. The classification of radio galaxies is discussed.

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