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Theoretical Models for the Evolution of Planetary Nebulae Nuclei Tested by Observations

Published online by Cambridge University Press:  19 July 2016

Romuald Tylenda  and
Grażyna Stasińska
Romuald Tylenda
Affiliation:
Copernicus Astronomical Center, Torún, Poland
Grażyna Stasińska
Affiliation:
DAEC, Observatoire de Paris-Meudon, France

Abstract

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We compare theoretical evolutionary tracks of planetary nebulae nuclei with observational data on over a hundred planetary nebulae in the (log L, log Teff, log texp) space. The simultaneous use of the three coordinates eliminates some interpretation that might be proposed when looking at the (log L, log Teff) plane and at the (Mv, log texp) only. The inconsistencies which we find between theory and observations could be partly removed by adopting a different distance scale.

Type
VI. Evolution
Information
Symposium - International Astronomical Union , Volume 131: Planetary Nebulae , 1989 , pp. 542
Copyright
Copyright © Kluwer 1989