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06 October 2024

» arxiv » astro-ph/0510138

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Wind ionization structure of the short-period eclipsing LMC Wolf-Rayet binary BAT99-129: preliminary results
C. Foellmi ; A.F.J. Moffat ; S.V. Marchenko ;
Date:	5 Oct 2005
Subject:	astro-ph
Abstract:	BAT99-129 is a rare, short-period eclipsing Wolf-Rayet binary in the Large Magellanic Cloud. We present here medium-resolution NTT/EMMI spectra that allow us to disentangle the spectra of the two components and find the orbital parameters of the binary. We also present VLT/FORS1 spectra of this binary taken during the secondary eclipse, i.e. when the companion star passes in front of the Wolf-Rayet star. With these data we are able to extract, for the first time in absolute units for a WR+O binary, the sizes of the line emitting regions.
Source:	arXiv, astro-ph/0510138
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