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A Photoionization Model Study of NGC 7027

Published online by Cambridge University Press:  19 July 2016

Ruth B. Gruenwald
Affiliation:
Instituto Astronômico e Geofísico, São Paulo, Brasil
Daniel Pequignot
Affiliation:
Observatoire de Paris-Meudon, Meudon, France

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The physical characteristics of NGC7027 and the nature of the observations available make it an exceptional object to check the ability of steady photoionization modelling to correctly predict the emission spectrum of nebulae. After a decade of atomic physics and observation improvements, a complete updating of the analysis performed by Pequignot et al (1978) (Astron. Astrophys. 63, 313) is in order.

Type
II. Nebular Properties
Copyright
Copyright © Kluwer 1989 
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