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IR excesses of late-type WC stars: no dust needed in most cases

Published online by Cambridge University Press:  07 August 2017

T. Nugis
T. Nugis*
Affiliation:
Tartu Astrophysical Observatory, EE2444 Tõravere, Estonia

Abstract

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Many late-type WC stars exhibit strong IR excesses which have usually been explained by hot dust radiation. Alternatively, we found that free-free and free-bound radiation of a small number of high density clumps beyond the effective radio-emission zone may give rise to “dust-like” IR excesses.

Keywords

stars: Wolf-RayetWCLIR excessesclumped shells

Information

Type
Session VI - poster summaries
Information
Symposium - International Astronomical Union , Volume 163: Wolf-Rayet Stars: Binaries, Colliding Winds, Evolution , 1995 , pp. 371 - 372
Copyright
Copyright © Kluwer 1995 

References

van der Hucht, K.A., Conti, P.S. 1981, in: Chiosi, C. Stalio, R. (eds.), Effects of Mass Loss on Stellar Evolution Proc. IAU Coll. 59 (Dordrecht: Reidel), p. 35 Google Scholar
Williams, P.M., van der Hucht, K.A., The, P.S. 1987, A&A 182, 91 Google Scholar