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Radio light-curve for WR 146 (HM19-3, WC6+O8.5), a colliding wind binary∗

Published online by Cambridge University Press:  25 May 2016

Diah Y.A. Setia Gunawan ,
A. Ger de Bruyn ,
Karel A. van der Hucht  and
Peredur M. Williams
Diah Y.A. Setia Gunawan
Affiliation:
Kapteyn Astronomical Institute, RU Groningen, the Netherlands Space Research Organisation Netherlands, Utrecht, the Netherlands
A. Ger de Bruyn
Affiliation:
Kapteyn Astronomical Institute, RU Groningen, the Netherlands Netherlands Foundation for Research in Astronomy, Dwingeloo, the Netherlands
Karel A. van der Hucht
Affiliation:
Space Research Organisation Netherlands, Utrecht, the Netherlands
Peredur M. Williams
Affiliation:
Royal Observatory, Edinburgh, United Kingdom

Abstract

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We report preliminary results of monitoring the flux from the Wolf-Rayet object WR 146 with the Westerbork Synthesis Radio Telescope at 21 cm since 1989. We find the average flux density slowly rising in the period 1989–1997, with evidence of shorter time-scale variability.

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. 390 - 391
Copyright
Copyright © Astronomical Society of the Pacific 1999 

References

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Setia Gunawan, D.Y.A., van der Hucht, K.A., de Bruyn, A.G., Williams, P.M. 1996, in: Vreux, J.-M., Detal, A., Fraipont-Caro, D., Gosset, E. & Rauw, G. (eds.), Wolf-Rayet Stars in the Framework of Stellar Evolution, Proc. 33 rd Liège Int. Astroph. Coll. (Liège: Univ. of Liège), p. 327 Google Scholar
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