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Carbon to Helium Ratio in the Wind of Central Stars of Planetary Nebulae with WC Spectrum

Published online by Cambridge University Press:  07 August 2017

J.A. De Freitas Pacheco ,
R.D.D. Costa ,
F.X. De Araújo  and
D. Petrini
J.A. De Freitas Pacheco
Affiliation:
Instituto Astron⊚mico e Geofísico, Universidade de São Paulo, Brazil
R.D.D. Costa
Affiliation:
Instituto Astron⊚mico e Geofísico, Universidade de São Paulo, Brazil
F.X. De Araújo
Affiliation:
Observatório Nacional - CNPq, Rio de Janeiro, Brazil
D. Petrini
Affiliation:
Observatoire de la C⊚te D'Azur, Nice, France

Abstract

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We present C/He ratios in the wind of a sample of 5 central stars of planetary nebulae having WC spectrum. The resulting values are comparable to those observed in population I WR stars.

Type
Near Stellar Environments
Information
Symposium - International Astronomical Union , Volume 150: Astrochemistry of Cosmic Phenomena , 1992 , pp. 359 - 360
Copyright
Copyright © Kluwer 1992 

References

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