Other
Scientific paper
Oct 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.234.1091a&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 234, Oct. 15, 1988, p. 1091-1103.
Other
44
Astronomical Spectroscopy, Extragalactic Radio Sources, Radio Spectra, Red Shift, Emission Spectra, Faint Objects, Forbidden Transitions, Quasars, Radio Galaxies
Scientific paper
The authors have firm redshifts for a further 12 faint radio source identifications from the "1-Jy" complete radio-selected sample, two of which are galaxies with redshifts z > 1.5. Five of these identifications had previously been classified as QSOs on the basis of their optical morphology. The authors' spectroscopy shows that of these, one is definitely a galaxy and two have characteristics intermediate between those of "normal" radio galaxies and those of "normal" quasars. Two of the eight identifications previously classified as galaxies have similar "intermediate" properties. The remaining identifications have low-excitation narrow emission-line systems of the type seen in other 1-Jy radio sources by Allington-Smith et al. The authors confirm that the 1-Jy emission lines are a factor 2 weaker than those of 3C galaxies in the same redshift interval.
Allington-Smith Jeremy R.
Djorgovski Stanislav
Liebert James
Spinrad Hyron
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