Fig. 2.
Corner plot showing the posterior PDFs of the chemical evolution model parameters for the region at 8 kpc. For each parameter, the median and the 16th and 84th percentiles of the posterior PDF are shown with dashed lines above the marginalised PDF. The SFEs are fixed at values of 2 and 1 Gyr−1 for the high- and low-α phases, respectively.
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