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Imaging and Polarimetry of the Dust Shells Around Post-AGB Stars

Published online by Cambridge University Press:  26 May 2016

Tim Gledhill ,
Indra Bains  and
Jeremy Yates
Tim Gledhill
Affiliation:
Dept. of Physical Sciences, University of Hertfordshire, Hatfield, AL10 9AB, England
Indra Bains
Affiliation:
Dept. of Physical Sciences, University of Hertfordshire, Hatfield, AL10 9AB, England
Jeremy Yates
Affiliation:
University College London, Gower St., London, WC1E 6BT, England

Abstract

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We have completed a polarimetric survey of 46 post-AGB stars which indicates that where an extended circumstellar envelope is seen then it is axisymmetric to some degree. This suggests that all post-AGB envelopes are axisymmetric and that the responsible mechanism must be ubiquitous.

Type
Part III: Planetary Nebulae in the Scheme of Stellar Evolution
Information
Symposium - International Astronomical Union , Volume 209: Planetary Nebulae: Their Evolution and Role in the Universe , 2003 , pp. 131 - 132
Copyright
Copyright © Astronomical Society of the Pacific 2003 

References

Gledhill, T.M., Chrysostomou, A., Hough, J.H., Yates, J.A., 2001, MNRAS, 322, 321 Google Scholar