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Why are Planetary Nebulae Poor Distance Indicators?

Published online by Cambridge University Press:  07 August 2017

G.A. Tammann
G.A. Tammann*
Affiliation:
Astronomisches Institut der Universität Basel, Venusstraße 7, CH-4102 Binningen

Abstract

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It is shown from multiple evidence that the λ 5007 Å luminosity of the brightest shells of planetary nebulae has intrinsic scatter, which is well approximated for the brightest objects by an exponential luminosity function, as proposed by Bottinelli et al. (1991). The resulting open-ended luminosity function weakens the usefulness of planetary nebulae as distance indicators.

Information

Type
VI. Planetary Nebulae in Galactic Systems
Information
Symposium - International Astronomical Union , Volume 155: Planetary Nebulae , 1993, pp. 515 - 522
Copyright
Copyright © Kluwer 1993 

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