Fig. 1
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Line profiles of He I λ4388 Å in the most blue- and redshifted spectra (blue and red lines, respectively) for AN Dor, HD 309317, and V1061 Cen. The spectra were corrected for the measured RVs, and the black line provides their difference (multiplied by four and then shifted by +1 to facilitate the comparison with the lines).
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