Fig. 11
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[Fe/H] abundance profiles for the stars in the cold disc. Each grey line represents a galaxy in the sample, with Au6 highlighted in red and its linear regression shown as a dashed line. We also show the median over the sample and the 25th and 75th percentiles. The linear regression is performed in the region 0.2Rd ≤ rxy ≤ Rd (shown as a grey area for reference).
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