Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...181...14r&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 181, no. 1, July 1987, p. 14-18.
Astronomy and Astrophysics
Astronomy
6
Astronomical Models, Extragalactic Radio Sources, Radio Jets (Astronomy), Relativistic Velocity, Ejection, Precession, Quasars
Scientific paper
The radio source 4CT74.17.1 has been put forward by Rudnick (1982) and also Rudnick and Edgar (1984) as an example of a radio source exhibiting the "preferential avoidance" effect, which they attribute to alternating side ejection. The authors show that the main features of the brightness distribution of this source can be modelled by a relativistic jet slowly precessing around an axis near the plane of the sky. This type of configuration may also explain the apparent one-sidedness of the jets in the sample of radio quasars of largest angular size studied by Wardle and Potash (1984).
Meurs Evert J. A.
Roos Nico
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