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A WC9 Star in the LMC

Published online by Cambridge University Press:  03 August 2017

M. Heydari-Malayeri  and
J. Melnick
M. Heydari-Malayeri
Affiliation:
European Southern Observatory La Silla, Chile
J. Melnick
Affiliation:
European Southern Observatory La Silla, Chile

Abstract

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We have discovered the only WC9 star in the Large Magellanic Cloud on the basis of observations made at several ESO telescopes, especially NTT. The latest Wolf-Rayet stars of the carbon sequence so far observed in the LMC are WC5-6. The lack of late type WC stars is understood in terms of an abundance effect, according to the models of Maeder. Our observations therefore pose a new observational challenge to the theory of the evolution of massive stars.

Type
Session VIII. Inventory and Distribution
Information
Symposium - International Astronomical Union , Volume 143: Wolf–Rayet Stars and Interrelations with other Massive Stars in Galaxies , 1991 , pp. 647 - 648
Copyright
Copyright © Kluwer 1991 

References

Heydari-Malayeri, M., Melnick, J., Van Drom, E.: 1990, Astron. Astrophys. Letters in press Google Scholar
Henize, K.G.: 1956, Astrophys. J. suppl. 2, 315 CrossRefGoogle Scholar
Maeder, A.: 1987, Astron. Astrophys. 173, 247 Google Scholar
Maeder, A.: 1990, private communication Google Scholar