Symmetry parameters for double radio sources

Details Symmetry parameters for double radio sources Symmetry parameters for double radio sources

Dec 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975mnras.173..569i&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 173, Dec. 1975, p. 569-577.

Astronomy and Astrophysics

Astronomy

11

Extragalactic Radio Sources, Symmetry, Galactic Nuclei, Galactic Radiation, Monte Carlo Method, Radiant Flux Density, Tables (Data), Transit Time

Scientific paper

Two simple symmetry parameters are introduced to describe those double radio sources with an observed central object. An appropriate subsample of 21 sources is selected from a pool of 223 3C sources, and the distribution of the symmetry parameters is examined. It is concluded that the data are consistent with the existence of a single class of double sources with rms intrinsic bending of 4-18 deg and with arms which typically differ in actual length by 15-30 per cent or less. An upper limit of 0.15c on typical component speeds is obtained.

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