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Fig. 17

image

Model fits to the [Ca II] λ 7291 (left panel), [O I] λ 5577 (middle panel) and [O I] λ 6300 (right panel) line profiles corresponding to the du Pont data. The computed profiles (in red lines) were obtained combining different emitting rings (in other colours) with different projected Keplerian rotational velocities (see Table 1).

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