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[en] Examination of the structures of extragalactic radio sources shows a distinct asymmetry in addition to the more general symmetries which are well known. The most likely explanation for the observed asymmetries is that ejection from the active nucleus occurs in only one direction at a time. This direction then switches back and forth to form the large scale double structures. Implications of this picture for the nuclear engine and the radio source environment are discussed. (Auth.)
Source
Heeschen, D.S.; Wade, C.M. (National Radio Astronomy Observatory, Charlottesville, VA (USA)) (eds.); International Astronomical Union symposium; no. 97; 506 p; ISBN 90-277-1384-7; 
; 1982; p. 47-49; D. Reidel; Dordrecht, Netherlands; 97. International Astronomical Union symposium on extragalactic radio sources; Albuquerque, USA; 3 - 7 Aug 1981
; 1982; p. 47-49; D. Reidel; Dordrecht, Netherlands; 97. International Astronomical Union symposium on extragalactic radio sources; Albuquerque, USA; 3 - 7 Aug 1981
[en] A formula for the surface brightness of an optically thin radio jet is presented and compared to observations for NGC 315. (Auth.)
Source
Heeschen, D.S.; Wade, C.M. (National Radio Astronomy Observatory, Charlottesville, VA (USA)) (eds.); International Astronomical Union symposium; no. 97; 506 p; ISBN 90-277-1384-7; ; 1982; p. 227-228; D. Reidel; Dordrecht, Netherlands; 97. International Astronomical Union symposium on extragalactic radio sources; Albuquerque, USA; 3 - 7 Aug 1981
; 1982; p. 227-228; D. Reidel; Dordrecht, Netherlands; 97. International Astronomical Union symposium on extragalactic radio sources; Albuquerque, USA; 3 - 7 Aug 1981
[en] Observations for four sample sources from the Parkes 5 GHz polarization monitoring programme are presented and the interesting features are discussed. These include sudden changes of the position angle of the polarization, linear increase in the position angle of polarization and distinct burst of circular polarization. (Auth./C.F.)
Source
Heeschen, D.S.; Wade, C.M. (National Radio Astronomy Observatory, Charlottesville, VA (USA)) (eds.); International Astronomical Union symposium; no. 97; 506 p; ISBN 90-277-1384-7; ; 1982; p. 331-333; D. Reidel; Dordrecht, Netherlands; 97. International Astronomical Union symposium on extragalactic radio sources; Albuquerque, USA; 3 - 7 Aug 1981
; 1982; p. 331-333; D. Reidel; Dordrecht, Netherlands; 97. International Astronomical Union symposium on extragalactic radio sources; Albuquerque, USA; 3 - 7 Aug 1981
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