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Chemical abundances variations and kinematical ages of multiple shell Planetary Nebulae and their haloes

Published online by Cambridge University Press:  25 May 2016

M. A. Guerrero  and
A. Manchado
M. A. Guerrero
Affiliation:
Instituto de Astrofísica de Canarias
A. Manchado
Affiliation:
Instituto de Astrofísica de Canarias

Extract

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We have carried out a comparative study of the chemical abundances and physical properties of the haloes and main nebulae on a sample of type I multiple shell PNe: M 1-46, NGC 2438, NGC 5882, NGC 6543, NGC 6720, NGC 6751, and NGC 6826.

Type
IV. Envelopes
Information
Symposium - International Astronomical Union , Volume 180: Planetary Nebulae , 1997 , pp. 234
Copyright
Copyright © Kluwer 1997