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The Formation and Evolution of Planetary Nebulae

Published online by Cambridge University Press:  26 May 2016

Detlef Schönberner  and
Matthias Steffen
Detlef Schönberner
Affiliation:
Astrophysikalisches Institut Potsdam, Germany
Matthias Steffen
Affiliation:
Astrophysikalisches Institut Potsdam, Germany

Abstract

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We review our present knowledge about the formation and evolution of planetary nebulae and discuss the relevant processes responsible in creating and shaping planetary nebulae out of a cool AGB wind envelope. Based on 1D simulations we show that a hydrodynamical treatment along the upper AGB leads quite naturally to more realistic starting configurations for planetaries with density slopes steeper than r −2. Taking into account photoionization and wind interaction in a realistic manner, the hydrodynamics of post-AGB wind envelopes leads to density structures and velocity fields in close resemblance to observations of spherical or elliptical planetary nebulae.

Information

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. 147 - 154
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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