[Mg/Fe] abundances from the SAGA database. Notice the big data dispersion that arises from different analysis methods and samples (blue crosses). The stars selected from the SAGA database have Teff = 6250 ± 250 and log g = 4.0 ± 0.5, as in our sample. For comparison our more precise results are shown by red circles. The black line is the GCE model prediction.
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