Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978aj.....83.1363g&link_type=abstract
Astronomical Journal, vol. 83, Nov. 1978, p. 1363-1373. NSF-supported research.
Astronomy and Astrophysics
Astronomy
5
Astronomical Catalogs, Galactic Structure, Quasars, Radio Galaxies, Astronomical Maps, Astronomical Photography, Centimeter Waves, Interferometry, Morphology
Scientific paper
Radio positions, angular structure data, and polarizations were measured with the NRAO interferometer at 3.71 and 11.1 cm for 18 sources whose optical identifications seem to have jets, wisps, or close companions. Optical positions were measured with the University of Texas measuring machine. In five cases, alignment within 10 deg in position angle of the optical and the radio major axes was found. The quasar PHL 1093 (0137+012) may be similar to 3C 273. There is a compact flat-spectrum source at the quasar position and an extended steep-spectrum component at the end of the optical jet.
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