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Wind Features and Wind Velocities

Published online by Cambridge University Press:  19 July 2016

Michael Grewing
Michael Grewing*
Affiliation:
Astronomisches Institut der Universität, Waldhäuserstrasse 64, D-7400 Tübingen, Germany, Fed. Rep.

Abstract

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Fast winds have been detected in the spectra of many nuclei of planetary nebulae (PNNi). The wind velocities range from about 600 km/s to roughly 4000 km/s. While these winds add little to the mass of the nebular shells they may significantly effect their internal kinematics.

By studying the emission from the faint outer envelopes of PNe one can infer also the wind properties of the progenitors of the current nuclei. This will in the end allow to test quantitatively current models of the origin of PNe.

Type
III. Central Stars
Information
Symposium - International Astronomical Union , Volume 131: Planetary Nebulae , 1989 , pp. 241 - 250
Copyright
Copyright © Kluwer 1989 

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