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Dust in Planetary Nebulae: Observational Considerations

Published online by Cambridge University Press:  22 September 2016

Bruce Balick
Bruce Balick*
Affiliation:
Astronomy Department, University of Washington, Seattle, WA 98195 USA National Radio Astronomy Observatory, Socorro, NM 87801 USA

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The question of dust in planetary nebulae dates back a decade to the first then unexpected discoveries of strong infrared (IR) excesses in planetary nebulae (Gillett et al. 1967; Woolf 1969; Gillett and Stein 1969, 1970; Neugebauer and Garmire 1970; Willner et al. 1972). It has been clear from the outset that a substantial fraction, if not most, of the nebular luminosity is somehow converted to IR radiation by the dust. Two important questions are whether, and to what extent, dust influences the ionization structure and chemical properties of the nebula.

Type
Session VI: Evolution and Morphology of Planetary Nebulae
Information
Symposium - International Astronomical Union , Volume 76: Planetary Nebulae , 1978 , pp. 275 - 279
Copyright
Copyright © Reidel 1978 

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