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Concerning the Temperatures of Central Stars of Planetary Nebulae

Published online by Cambridge University Press:  18 September 2017

L. Kohoutek  and
W. Martin
L. Kohoutek
Affiliation:
Hamburg Observatory, Gojenbergsweg 112, D-2050 Hamburg 80, FRG
W. Martin
Affiliation:
Max-Planck-Institut für Astronomie, Königstuhl, D-6900 Heidelberg 1, FRG

Extract

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Recently Pottasch (1981, Astron. Astrophys. 94, L13) published extremely high effective temperatures of some central stars of planetary nebulae (> 200 000 K). Our study of planetary nebulae based on photoelectric photometry does not confirm his results. A histogram of Tz(HI) and Tz(HeII) shows smooth distribution of Tz with the maximum of about 48 000°K (HI) and 90 000°K (HeII), respectively; the effective temperature of none of the 62 planetary nuclei exceeds 120 000°K.

Type
Abstracts of Contributed Papers
Information
Symposium - International Astronomical Union , Volume 103: Planetary Nebulae , 1983 , pp. 534 - 535
Copyright
Copyright © Reidel 1983