Illustration of the line profile variability in the primary component (HgMn star) of 66 Eri. On the panels from left to right we show the spectral lines as follows: Sr ii 4215.159 Å, Ti ii 4779.985 Å, Ba ii 4934.076 Å, and Y ii 5200.410 Å. The dashed line represents an average profile. All profiles are shifted upwards for displaying purposes.
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