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Fig. 4.

image

Disentangled, renormalized spectra of both components using K1 = 36 km s−1 and K2 = 49 km s−1. The spectrum of the primary is shifted up by 0.4 units with respect to the secondary for clarity. In Hα, the core is contaminated by nebular emission present in the FEROS and HERMES spectra. The model spectra are those obtained with the best-fit atmospheric parameters from the FASTWIND analysis (Sect. 4).

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