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Fig. 17

image

Comparison of synthetic spectra for different rotational velocities, accounting for the full 3D line formation in the wind under the assumption of angular momentum conservation. vsini refers to the photosphere. The left panel shows the N vλλ 4604,4620 lines of SMC AB 12, while the right panel depicts the N vλλ 4934,4944,4951 lines of the same object. The blue full line is the observation. The red dashed line, green dotted line, and black dashed-dotted line correspond to a rotational velocity of vsini = 0 km s-1, 200 km s-1, and 300 km s-1, respectively.

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