On the separation ratio of the outer radio components in quasars

Details On the separation ratio of the outer radio components in quasars On the separation ratio of the outer radio components in quasars

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.209..525s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 209, Aug. 1, 1984, p. 525-531.

Astronomy and Astrophysics

Astronomy

18

Plasma Jets, Quasars, Radio Sources (Astronomy), Collinearity, Ratios, Relativistic Effects

Scientific paper

If the observed asymmetry in the radio jets is due to relativistic beaming, then the approaching outer component can be identified together with the ratio r(theta) if its separation from the core to that of the receding one is evaluated. The expected value of this ratio, F(beta, phi), should always be not less than 1 for an intrinsically symmetric, collinear source. It is found, however, from a sample of quasars observed with high resolution, that r(theta) is less than about F(beta, phi) for most of them and less than 1 for about half of them. Possible explanations for such an effect are investigated and it is suggested that intrinsic noncollinearity, and the existence of extremely dissipative beams, probably play an important role.

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