Abundance ratios of iron-peak elements. Our measurements are marked with filled black triangles: error bars include random errors, continuum placement errors and errors owing to the choice of atmospheric parameters (see text). Grey symbols mark literature measurements for red giants: filled circles are from Johnson et al. (2009), empty pentagons from Cunha et al. (2010), empty circles from Norris & Da Costa (1995), empty triangles from Cohen (1981), filled squares from Gratton (1982), empty stars from François et al. (1988), asterisks from Cunha et al. (2002), crosses from Johnson & Pilachowski (2010), four-pointed stars from Villanova et al. (2010).
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