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Fig. 23

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Top panels: dynamic spectra with orbital phase φ of He i λ5876 computed with the 3D asymmetric wind model we develop for MWC 314 in this paper. Bottom panels: corresponding normalised flux spectra for 12 φ-values. Left-hand panels are computed for f = 10 and ς0 = ϑ0 = π/4 in the density structure of Eq. (6). For comparison the middle panels are computed for f = 10, ς0 = ϑ0 = π/3, with the radial velocity amplitude of orbital motion set to 4× the observed value. Right-hand panel is computed for f = 3.3, ς0 = ϑ0 = π/4, and the observed Vr-curve. The latter values provide the best fit to the P Cyg absorption line profile changes we observe with φ shown in Fig. 12 (see Sect. 5.3).

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