Fig. A.1.
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Different star formation histories fitted using different initial star formation histories. The blue line shows the [Si/Fe]–time evolutions from Sect. 4.1. The orange lines show the [Si/Fe]–time evolution with the explicit quenching removed, and the green line shows the result when the late-time thin disc ϵ is set to be the same as the thick disc ϵ.
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