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Revisited Mass-Loss Rates of Planetary Nebula Nuclei Observed with IUE

Published online by Cambridge University Press:  19 July 2016

D. Hutsemékers  and
J. Surdej
D. Hutsemékers
Affiliation:
Institut d'Astrophysique, Université de Liège
J. Surdej
Affiliation:
Institut d'Astrophysique, Université de Liège

Abstract

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The first order moment of P Cygni line profiles has been computed for the case of resonance doublet and subordinate line transitions, using realistic velocity and opacity distributions. This improved method has allowed us to rederive mass-loss rates for a sample of 17 PNN observed in the low resolution mode with IUE. The average value of our mass-loss rates amounts to 10−7 M⊙/yr.

Type
III. Central Stars
Information
Symposium - International Astronomical Union , Volume 131: Planetary Nebulae , 1989 , pp. 317
Copyright
Copyright © Kluwer 1989