Spatial distribution of antisymmetrically-curved extragalactic radio-jets

Details Spatial distribution of antisymmetrically-curved extragalactic radio-jets Spatial distribution of antisymmetrically-curved extragalactic radio-jets

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.164..131f&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 164, no. 1, Feb. 1990, p. 131-137.

Astronomy and Astrophysics

Astronomy

4

Extragalactic Radio Sources, Radio Jets (Astronomy), Spatial Distribution, Gravitational Lenses, Intergalactic Media, Interstellar Magnetic Fields

Scientific paper

In order to find the observational restrictions for theoretical models explaining curvatures of extragalactic jets, tails, or lobes, a list of 365 objects has been extracted from published data. Radio sources exhibiting both jets curved in the same direction (called type V) are equally frequent as those exhibiting them with opposite directions. Among the last antisymmetric types, two possibilities are considered: when jets draw a clockwise (type S) or counterclockwise (type N) image. Types S and N are not only equally frequent as expected, but they do not have preferred locations in the sky. At least at large scales, once a jet is thrown out, it has an equal chance to be sent in any direction, independently of the one followed by its twin counterjet.

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