Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.263..373g&link_type=abstract
In ESA Proceedings of an International Symposium on New Insights in Astrophysics. Eight Years of UV Astronomy with IUE p 373-37
Astronomy and Astrophysics
Astrophysics
Iue, Planetary Nebulae, Stellar Evolution, Stellar Luminosity, Stellar Temperature, Stellar Models, Stellar Spectra, Stellar Winds
Scientific paper
Low- and high-resolution IUE spectra provide at present the best means to determine the temperature and luminosity of the central stars of planetary nebulae and to establish the presence and properties of a stellar wind, if it exists. Combining these data and data on the properties of the nebula shells, obtained from IUE, optical and radio observations, with results from recent stellar evolution calculations, current theories of planetary nebulae formation and evolution can be tested. Results are reported for the nuclei of NGC 40 and NGC 6543. Both are found to have surface temperatures in the range 80,000 to 100,000K.
Bianchi Luciana
Cerrato S.
Grewing Michael
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