The milliarcsecond structure of a complete sample of radio sources. II - First-epoch maps at 5 GHz

Details The milliarcsecond structure of a complete sample of radio sources. II - First-epoch maps at 5 GHz The milliarcsecond structure of a complete sample of radio sources. II - First-epoch maps at 5 GHz

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...328..114p&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 328, May 1, 1988, p. 114-142.

Astronomy and Astrophysics

Astronomy

328

Astronomical Maps, Extragalactic Radio Sources, Radiant Flux Density, Radio Galaxies, Radio Jets (Astronomy), Very Long Base Interferometry, Active Galactic Nuclei, Black Holes (Astronomy), High Resolution, Morphology, Radio Sources (Astronomy)

Scientific paper

VLBI observations of the compact radio structure in a sample of 65 powerful extragalactic radio sources are presented. The sources are classified as very compact, compact, asymmetric, compact double, irregular flat-spectrum, compact steep-spectrum, and lobe-dominated. Two different types of compact double source are identified. One-sided jets are found to be common features in AGN. Compact, optically thick cores are found in all objects except compact S doubles and a few steep-spectrum compact objects. No two-sided jet has yet been found in an AGN. The nuclear jets lie on the same side of the core as the large-scale jets. The nuclear jets are fairly highly polarized, with polarizations typically in the range of 1-5 percent. Superluminal motion is common in AGN and is found in all classes of object except the compact S double objects.

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