Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-06-26
Astronomy and Astrophysics
Astrophysics
7 pages, Review Talk, IAU 243, Planetary Nebulae in our Galaxy and Beyond
Scientific paper
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 works done in the last 5 years and several works on magnetohydrodynamics about 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 relation binary-bipolararity.
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