Comparing neutral and ionised species of Fe as [Fe I/Fe] against [Fe II/Fe], and Fe I−Fe II against [Fe/H], Teff, and log g. Median and MAD of the difference between species of the same element are shown. Red displays the UVES sample, blue displays the GIRAFFE sample. Stars flagged by EPINARBO in the parameter round as having inconsistent Fe I and Fe II are indicated as white dots for GIRAFFE and a yellow triangle for UVES.
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