Fig. 8
Left panel: iron abundance is plotted against effective temperature. The filled diamonds mark the results from the sdBs. The filled rectangles mark the combined results for BHB stars from seven GCs and the field (Behr et al. 2003a,b; Fabbian et al. 2005). Right panel: titanium abundance is plotted against effective temperature. The filled diamonds mark the results from the sdBs. The filled rectangles mark the combined results for BHB stars from eight GCs and the field (Behr et al. 2003a,b; Fabbian et al. 2005; Pace et al. 2006).
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