Fig. 10.
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Difference between the observed weighted-average ⟨[Fe/H]⟩ of our galaxies and the expected values at their luminosity obtained from the Kirby et al. (2013) relation; symbols and colours as in Fig. 3. Error bars obtained adding in quadrature the errors on ⟨[Fe/H]⟩ and the rms = 0.17 dex of the Kirby et al. relation for the MW satellites. Dashed lines are the median offsets of each sub-sample.
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