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Dynamical PN Evolution with Magnetic Fields

Published online by Cambridge University Press:  15 December 2006

Guillermo García-Segura
Guillermo García-Segura
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Apdo Postal 877, Ensenada, Baja California, Mexico
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Abstract

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Hydrodynamical simulations played an important role in understanding the dynamics and shaping of planetary nebulae in the past century. However, hydrodynamical simulations were just a first order approach. The new millennium arrived with the generalized understanding that the effects of magnetic fields were necessary to study the dynamics of planetary nebulae. Thus, B-fields introduced a whole new number of physical possibilities for the modeling. In this paper, we review observational work done in the last 5 years and several works on the magnetohydrodynamics of proto-planetary nebulae, since all the effort has been focused on that stage, and discuss different scenarios for the origin of magnetized winds, and the binary-bipolarity relation.

Keywords

MHD—Stars: AGB and Post-AGB—Planetary Nebulae: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S234: Planetary Nebulae in our Galaxy and Beyond , April 2006 , pp. 297 - 304
Copyright
© 2006 International Astronomical Union