Hostname: page-component-78c5997874-s2hrs Total loading time: 0 Render date: 2024-11-03T08:35:58.341Z Has data issue: false hasContentIssue false
  • English
  • Français

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

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

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

REFERENCES

Castor, J., Lutz, J.H., Seaton, M.J. 1981, Mon. Not. R. astr. Soc. 194, 547 CrossRefGoogle Scholar
Cerruti-Sola, M., Pcrinotto, M. 1985, Ap.J. 291, 237 Google Scholar
Clegg, R.E.S. 1989 in Planetary Nebulae ed. Torres-Peimbert, S. - Reidel, Dordrecht, pg. 139 Google Scholar
De Freitas Pacheco, J.A., Araujo, F.X., Costa, R.D.D., Petrini, D. 1991 - in preparation Google Scholar
De Freitas Pacheco, J.A., Machado, M.A.D. 1988, Astron. J. 96, 365 Google Scholar
Kaler, J.B., Shaw, R.A., Feibelmann, W.A., Lutz, J.H. 1989, Ap.J. Supp. 70, 213 Google Scholar
Torres, A.V. 1988, Ap.J. 325, 759 Google Scholar