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Fig. 13
[Alpha/Fe] ratio as a function of [Fe/H] in the investigated stars of Group 2 (filled circles), in the Arcturus stream (plus signs), and in the AF06 stream (diamonds). The data for Arcturus and AF06 streams were taken from Ramya et al. (2012). The averaged values for alpha-elements consist of Mg, Si, Ca, and Ti abundances.
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