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A Simple Mhd Model for One-Sided Jets

Published online by Cambridge University Press:  19 July 2016

G. Bodo ,
E. Trussoni  and
G. Chagelishvili
G. Bodo
Affiliation:
Osservatorio Astronomico di Torino, Italy
E. Trussoni
Affiliation:
Osservatorio Astronomico di Torino, Italy
G. Chagelishvili
Affiliation:
Abastumani Astrophysical Obervatory, Georgian Republic

Extract

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The one-sideness observed in several extragalactic jets is usually explained by the Doppler boosting effect in a pair of relativistic beams, moving almost parallel to the line of sight. However jets could be intrinsically asymmetric if magnetically driven from the accretion disk surrounding the central black hole. Wang et al. (1992) have shown that a combination of odd and even magnetic structures could lead to different Poynting fluxes in the two hemispheres of the inner nucleus. However, without any peculiar assumption, it can be shown that intrinsic one-sideness can be simply related to the symmetry properties of the MHD equations.

Type
Poster Contributions: Emission Processes
Information
Symposium - International Astronomical Union , Volume 159: Multi-Wavelength Continuum Emission of AGN , 1994 , pp. 360
Copyright
Copyright © Kluwer 1994 

References

Camenzind, M. 1989, in Accretion Disks and Magnetic Fields in Astrophysics, ed. Belvedere, G. (Dordrecht:Kluwer), 129 CrossRefGoogle Scholar
Chagelishvili, G. et al. 1990, in Plasma Astrophysics, ESA SP-311, 273 Google Scholar
Wang, J.C.L., Sulkanen, M.E. & Lovelace, R.V.E. 1992, ApJ 390, 46 CrossRefGoogle Scholar