Fig. 5
Carbon in Sculptor and the Galactic halo as a function of luminosity. Dashed line shows the definition of CEMP stars as proposed by Aoki et al. (2007), to account for the mixing in stars at higher luminosities. Halo stars (gray squares) come from Yong et al. (2013), and Sculptor stars (blue circles) from: Tafelmeyer et al. (2010); Frebel et al. (2010); Kirby & Cohen (2012); Starkenburg et al. (2013).
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