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The Wind Temperature and C/He and O/He Ratios of the WC10 Central Star CPD-56°8032

Published online by Cambridge University Press:  07 August 2017

M. J. Barlow  and
R. J. Storey
M. J. Barlow
Affiliation:
Department of Physics & Astronomy, University College London, Gower Street, London WC1E 6BT, U.K.
R. J. Storey
Affiliation:
Department of Physics & Astronomy, University College London, Gower Street, London WC1E 6BT, U.K.

Extract

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We have analysed absolutely calibrated 3500–8900Å AAT spectrophotometry of the WC10 central star CPD–56°8032. After dereddening by E(B–V) = 0.68, the few line-free portions of the stellar continuum are well fitted by the 18000K blackbody which corresponds to the nebular H I Zanstra temperature. The Wolf-Rayet wind terminal velocity is sufficiently low (210–230 km s−1) that it is possible to resolve virtually every fine structure component of every multiplet of C II, C III and O I listed by the NBS Multiplet Tables for this wavelength region.

Type
II. Highlights on the Nuclei
Information
Symposium - International Astronomical Union , Volume 155: Planetary Nebulae , 1993 , pp. 92
Copyright
Copyright © Kluwer 1993