Fig. 1
Age-metallicity relation for the disc stars which fulfill the conditions 5 <r< 10 kpc and | z | < 3 kpc. Old stars have a low value of [Fe/H], but it rapidly increases due to the SN Ia enrichment of the ISM. This figure corresponds to the galaxy MaGICC-g15784, but the relation is analogous for the rest of simulations in our sample.
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