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Dependance of the Metallicity of Planetary Nebulae by the Galactic Height Above the Disk

Published online by Cambridge University Press:  07 August 2017

F. Cuisinier ,
A. Acker  and
J. Köppen
F. Cuisinier
Affiliation:
Observatoire de Strasbourg, URA 1280, 11 rue de l'Université, F 67 000 Strasbourg, France
A. Acker
Affiliation:
Observatoire de Strasbourg, URA 1280, 11 rue de l'Université, F 67 000 Strasbourg, France
J. Köppen
Affiliation:
Inst. the or. Astroph., Im Neuenheimer Feld 561, D-6900 Heidelberg 1, Germany

Abstract

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Abundances of O, N, He, S, Ar have been derived from the observations of PN at various heights above the plane with the plasma diagnosis code HOPPLA (Köppen et al. 1991). A gradient in O and N appears in the first 1000 pc. No correlation is found above.

Type
VI. Planetary Nebulae in Galactic Systems
Information
Symposium - International Astronomical Union , Volume 155: Planetary Nebulae , 1993 , pp. 578
Copyright
Copyright © Kluwer 1993 

References

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