Fig. 1
Reduced-χ2 panel of the fit of composite FASTWIND spectra to the ISAAC spectrum of HJD 2 456 345.856 71. Axes denote the effective temperature of the components and are split into six equal intervals with 16 subdivisions of 10 km s-1 each to represent the projected rotational velocity range 50 − 200 km s-1. We find that the best fit corresponds to a pair of templates with Teff1 = 38 kK, Teff2 = 37 kK, and vsini values of 150 ± 20 and 130 ± 20 km s-1, respectively.
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