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Dust-formation episode of the long-period WC+O binary WR 137: direct imaging with HST-NICMOS2

Published online by Cambridge University Press:  25 May 2016

Sergey V. Marchenko ,
Anthony F.J. Moffat  and
Yves Grosdidier
Sergey V. Marchenko
Affiliation:
Département de Physique, Université de Montréal, Québec, Canada
Anthony F.J. Moffat
Affiliation:
Département de Physique, Université de Montréal, Québec, Canada
Yves Grosdidier
Affiliation:
Département de Physique, Université de Montréal, Québec, Canada

Abstract

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We have resolved, for the first time in any WR+OB system, IR-emitting dust in the close environment of the long-period binary WR 137. The dust emission occurs in a few clumps within about 0″.5 of the star, as well as in a jet-like structure with total extension of about 0″.25.

Type
Part 3. Interaction of Wolf-Rayet stars and other hot massive stars with their environment: colliding winds and ring nebulae
Information
Symposium - International Astronomical Union , Volume 193: Wolf-Rayet Phenomena in Massive Stars and Starburst Galaxies , 1999 , pp. 368 - 369
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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