High resolution observations of weak radio nuclei in galaxies and quasars

Details High resolution observations of weak radio nuclei in galaxies and quasars High resolution observations of weak radio nuclei in galaxies and quasars

Jan 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26a....54..297p&link_type=abstract

Astronomy and Astrophysics, vol. 54, no. 1, Jan. 1977, p. 297-300.

Astronomy and Astrophysics

Astrophysics

52

Extragalactic Radio Sources, Galactic Nuclei, High Resolution, Quasars, Radio Galaxies, Elliptical Galaxies, Flux Density, Luminous Intensity, Masers, Radio Interferometers, Red Shift, Spiral Galaxies

Scientific paper

Compact radio sources with an angular extent of about 0.001 arcsec have been detected at a wavelength of 6 cm in 26 radio sources using a transatlantic interferometer with a baseline length of 106 million wavelengths. These radio nuclei have typical sizes in the range from 0.1 to 10 pc and luminosities ranging from approximately 10 to the 37th power to 10 to the 45th power erg/s. They are located at the centers of extended double radio galaxies and quasars, including the nuclei of the giant radio galaxies 3C 236 and NGC 315; at the 'heads' of head-tail radio galaxies such as IC 310 and 3C 465; and in the nuclei of normal spiral and elliptical galaxies.

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