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Fig. 10

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Fittings to the Brγ line profile. When the mass loss increases, the synthetic line profile becomes deeper. The best fitting is obtained with a lower mass-loss rate (Ṁ = 1.5 × 10−7 M⊙ yr−1). The line is blended with He I λ2.184 µm. Readers can refer to the main text for details.
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