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Fig. 4.
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Zoom-in view of the Hα (top) and [O I] λ6300 Å (bottom) emission lines in the NOT FIES spectrum. Velocities are given with respect to the Heliocentric frame. The narrow blue component of the [O I] λ6300 Å emission line at ≈0 km s−1 corresponds to a telluric contribution.
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