Fig. A.1.
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Cumulative fraction of the star formation in the Milky Way as function of metallicity based on Snaith et al. (2015). In their calibration, models with metallicity Z = 0.02 ([Z/Z⊙] = 0) and Z = 0.0045 ([Z/Z⊙]= − 0.65) cover the 25% percentiles. A two-metallicity model has about 1/3 of the SFR in the lower metallicity bin (left of the dashed line) and about 2/3 in the higher metallicity bin.
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