Fig. 8.
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Three Ondřejov Hα profiles. They are mutually shifted in ordinate by 1.0 of the continuum level for better clarity. Profiles from HJD 2457128.5976 and 2457137.5762 have anomalously positive RVs of the emission wings, which stem from the episode of a large strengthening of the emission. The next profile, from HJD 2457154.5435, has a normal orbital RV.
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