Redshifts of radio sources in the 1-Jy sample

Astronomy and Astrophysics – Astronomy

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Astronomical Spectroscopy, Quasars, Radio Galaxies, Red Shift, Extragalactic Radio Sources, Galactic Nuclei, Line Spectra, Visible Spectrum

Scientific paper

Spectroscopic data of 13 1-Jy radio galaxies and one quasar are reported. The scans were made from Kitt Peak in February 1984 and covered the 4500-7900 A interval with a 15 A FWHM resolution. The magnitudes ranged from 18.6-22.7, and objects were identified with redshifts from 0.207-0.921. Companion objects were also noted and complete line identifications are provided. Two fields exhibited signs of significant ionized gas outside the galactic nucleus, a feature similar to high redshift 3C radio galaxies. The possibility that the large gas output is caused by interactions between a radio galaxy and nearby companions is recommended as a subject for further examinations.

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