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Some Hypothesized Observational Aspects of Magnetic Fields in Protoplanetary Nebulae

Published online by Cambridge University Press:  19 July 2016

G. Pascoli
G. Pascoli*
Affiliation:
Faculté des Sciences, Department of Physique, Amiens, France

Abstract

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Polarization mapping of some reflection nebulae (e.g., NGC 6729) reveals parallel bands of polarization vectors across pre-main sequence stars (Ward-Thomson et al. 1985, Mon. Not. R. Astr. Soc., 215). These authors have suggested a model in which the bands would be. Explained by dust discs, the grains being aligned by toroidal magnetic fields ∼ 102 μG.

Type
V. Origin of Planetaries
Information
Symposium - International Astronomical Union , Volume 131: Planetary Nebulae , 1989 , pp. 455
Copyright
Copyright © Kluwer 1989