The CHARA Array resolves the long-period Wolf–Rayet binaries WR 137 and WR 138

Noel D. Richardson,Tomer Shenar,Olivier Roy-Loubier,Gail Schaefer,Anthony F. J. Moffat,Nicole St-Louis,Douglas R. Gies,Chris Farrington,Grant M. Hill,Peredur M. Williams,Kathryn Gordon,Herbert Pablo,Tahina Ramiaramanantsoa

Monthly Notices of the Royal Astronomical Society（2016）

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摘要

We report on interferometric observations with the CHARA Array of two classical Wolf–Rayet (WR) stars in suspected binary systems, namely WR 137 and WR 138. In both cases, we resolve the component stars to be separated by a few milliarcseconds. The data were collected in the H band, and provide a measure of the fractional flux for both stars in each system. We find that the WR star is the dominant...

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关键词

binaries: visual,stars: individual: WR 137,stars: individual: WR 138,stars: mass-loss,stars: winds, outflows,stars: Wolf–Rayet

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