Abstract
The improved distances given earlier in the symposium by Harris (parallaxes) and Terzian (expansion distances) are used to discuss the evolution of PN and their central stars. A critical note is given concerning the use of model nebulae to derive abundances and central star parameters.
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Pottasch, S.R. (1997). Comments on Pn Evolution. In: Habing, H.J., Lamers, H.J.G.L.M. (eds) Planetary Nebulae. International Astronimical Union / Union Astronomique Internationale, vol 180. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5244-0_218
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DOI: https://doi.org/10.1007/978-94-011-5244-0_218
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