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- W2033132064 abstract "We present time-resolved, very precise linear spectropolarimetry of the short-period WR+O star binary CQ Cephei. We find that the N Iv λ4058 line is the best spectral diagnostic of the WR orbital motion, and we derive a semi-amplitude KWR = 290 ± 1 km s−1 and a systemic velocity γ = −72 ± 1 km s−1. We identify an antiphase spectral feature that we attribute to He I λ4143 absorption by the O star. A semi-amplitude of 360 ± l8 km s−1 is found for the O star, giving a mass ratio (WR:O) of 1.24 ± 0.06." @default.
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- W2033132064 date "1997-11-01" @default.
- W2033132064 modified "2023-09-25" @default.
- W2033132064 title "Time-series spectropolarimetry of the short-period Wolf-Rayet+O star binary CQ Cephei" @default.
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- W2033132064 doi "https://doi.org/10.1093/mnras/291.3.544" @default.
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