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The strength of the low-ionization emission lines in Type I PNe

Published online by Cambridge University Press:  25 May 2016

A. Riera
A. Riera*
Affiliation:
1Departament de Física i Enginyeria Nuclear 2Departament d'Astronomia i Meteorologia, Barcelona

Extract

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I have performed a statistical analysis on a group of emission line ratios of a sample of PNe. The optical data was taken from ELCAT2 Catalogue (http://www.stsci.edu/pub/elcat). Some observations of H–H objects were also included for comparison.

Type
IV. Envelopes
Information
Symposium - International Astronomical Union , Volume 180: Planetary Nebulae , 1997 , pp. 273
Copyright
Copyright © Kluwer 1997