Synthetic spectrum fit to the europium lines at 4129 Å and 6645 Å. The observed spectrum for the programme star HD 149105 is shown as a solid line with dots. The dark grey solid lines are synthetic spectra with [Eu/Fe] = 0.04 ± 0.1 and [Eu/Fe] = 0.11 ± 0.1 for these two lines, respectively.
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