Fig. 1
Alpha elements: gray circles represent literature data for field stars from Roederer et al. (2014). Blue triangles are literature data for dwarf spheroidal galaxies in Frebel (2010) who collected results from (Shetrone et al. 2001, 2003; Cohen & Huang 2004; Fulbright et al. 2004; Geisler et al. 2005; Aoki et al. 2009; Frebel et al. 2010a,b; Simon et al. 2010) Red circles represent the results for our sample of UfDSph stars.
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