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Fig. 12


Extract of three synthetic spectra of metallicity  [Fe/H]  = 0.0 dex (blue),  [Fe/H]  =  −1.0 dex (red),  [Fe/H]  =  −2.0 dex (black), showing the influence of the metallicity on an Fe I line (top left), an Fe II line at 6456.39 Å (top right), a Ni I line (bottom left) and a Ti I line at 6258.11 Å (bottom right).

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