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Temperature Variations and Abundance Determinations in Planetary Nebulae

Published online by Cambridge University Press:  26 May 2016

Silvia Torres-Peimbert  and
Manuel Peimbert
Silvia Torres-Peimbert
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México; Apdo. postal 70-264; Ciudad Universitaria; México D.F. 04510; México
Manuel Peimbert
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México; Apdo. postal 70-264; Ciudad Universitaria; México D.F. 04510; México

Abstract

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It is argued that an important fraction of PNe present large temperature variations that are not due to observational errors nor to incomplete atomic physics. Seven possible causes for these variations are reviewed, one of them is presented for the first time.

Type
Part VI: The Ionized Gas in Planetary Nebulae
Information
Symposium - International Astronomical Union , Volume 209: Planetary Nebulae: Their Evolution and Role in the Universe , 2003 , pp. 363 - 370
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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