Spectroscopic observations of radio source identifications from the 1 Jy, S4 and S5 Surveys. III

Details Spectroscopic observations of radio source identifications from the 1 Jy, S4 and S5 Surveys. III Spectroscopic observations of radio source identifications from the 1 Jy, S4 and S5 Surveys. III

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26as..100..395s&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 100, no. 2, p. 395-411.

Astronomy and Astrophysics

Astronomy

62

Astronomical Spectroscopy, Bl Lacertae Objects, Quasars, Radio Sources (Astronomy), Red Shift, Sky Surveys (Astronomy), Active Galactic Nuclei, Astronomical Catalogs, Gravitational Lenses

Scientific paper

Optical spectra are presented for the optical counterparts of 21 radio sources taken from the 1 Jy, S4, and S5 radio source catalogues. New redshifts are given for 18 sources, including a radio-selected quasar with a redshift of 3.886. For two other sources, redshifts had previously been listed in other publications and were confirmed by the new observations. One radio source is confirmed as a BL Lac object showing a featureless spectrum. For several sources, additional direct imaging data are provided.

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