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Correlation between N/O nebular ratio and central star mass: distances to Galactic PN

Published online by Cambridge University Press:  25 May 2016

J. O. Cazetta  and
W. J. Maciel
J. O. Cazetta
Affiliation:
Instituto Astronômico e Geofísico da USP, São Paulo, Brazil
W. J. Maciel
Affiliation:
Instituto Astronômico e Geofísico da USP, São Paulo, Brazil

Extract

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In the planetary nebulae (PNe) studies, their distance determination remains a confusing issue. The statistical distance scales cannot be regarded as reliable, and there are few PNe with individual distance determinations. In this work, we present a distance scale based on the method of individual distance determination by Méndez et al. (1988, A&A 190, 113).

Type
II. Distances to Galactic Planetary Nebulae
Information
Symposium - International Astronomical Union , Volume 180: Planetary Nebulae , 1997 , pp. 46
Copyright
Copyright © Kluwer 1997