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Astron. Astrophys. 347, 975-982 (1999)

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The ISO spectrum of the planetary nebula NGC 6302

II. Nebular abundances

S.R. Pottasch 1 and D.A. Beintema 2

1 Kapteyn Astronomical Institute, P.O. Box 800, 9700 AV Groningen, The Netherlands
2 SRON Laboratory for Space Research, P.O. Box 800, 9700 AV Groningen, The Netherlands

Received 2 February 1999 / Accepted 9 April 1999

Abstract

The ISO spectrum of NGC 6302 is used, in conjunction with the visible and ultraviolet spectrum, to determine the nebular composition. In addition to being considerably more accurate than previous determinations, the abundances of many more elements (and ions) can be found. A discussion of the previous evolution of the central star, in the light of these abundances, is given. A discussion is also given of the composition of the dust.

Key words: stars: abundances – stars: evolution – ISM: planetary nebulae: individual: NGC 6302 – infrared: ISM: lines and bands

Send offprint requests to: pottasch@astro.rug.nl

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© European Southern Observatory (ESO) 1999

Online publication: June 6, 1999
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