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Evidence for shocking behaviour in WR133 (HD 190918, WN4.5+O9.5I)

Published online by Cambridge University Press:  07 August 2017

J. F. Bertrand
J. F. Bertrand*
Affiliation:
Département de Physique, Université de Montréal, C. P. 6128, Succ. A, Montreal, QC, H3C 3J7, and Observatoire du Mont-Mégantic, Canada

Abstract

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Analysis of radial velocities of the WR binary WR133 yield semi-amplitudes KWR = 49±2 km s−1 and Ko = 21±2 kms−1 respectively and a mass ratio q = 0.43. The HeII 4686Â profiles show increased blue emission when the base of the wind-interaction cone is directed towards the observer.

Type
Session IV - poster summaries
Information
Symposium - International Astronomical Union , Volume 163: Wolf-Rayet Stars: Binaries, Colliding Winds, Evolution , 1995 , pp. 248 - 249
Copyright
Copyright © Kluwer 1995 

References

Cherepashchuk, A.M. 1991, in: van der Hucht, K.A. & Hidayat, B. (eds.), Wolf-Rayet Stars and Interrelations with Other Massive Stars in Galaxies, Proc. IAU Symp. No. 143 (Dordrecht: Kluwer), p. 187 Google Scholar
Howarth, I.D., Prinja, R.K. 1989, ApJ Suppl. 69, 527 Google Scholar
Fraquelli, D.A., Bolton, C.T., Horn, J. 1987, private communication Google Scholar