Fig. 3.
[Mg/Fe] and [Ca/Fe] vs. [Fe/H]. Red circles: this paper; Blue circle: BPS CS 22949−037Depagne et al. (2002), green circle: SMSS J031300−670839.3 (Keller et al. 2014); blue diamond: SDSS J1313−0019 (Frebel et al. 2015); blue square: HE 1327−2329 (Aoki et al. 2006); blue triangle: HE 0107−5240 (Christlieb et al. 2004); small grey circle: evolved stars from Roederer et al. (2014); small orange circles: main sequence stars from Roederer et al. (2014); black triangles: data from Yong et al. (2013).
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