Table 1.
Summary statistics for the metallicities of the MMR subgroups.
| MMR subgroup | # of ⋆s | ⟨[Fe/H]⟩ | σ[Fe/H] | [Fe/H]max | [Fe/H]min | ⟨[Mg/Fe]⟩ | σ[Mg/Fe] |
|---|---|---|---|---|---|---|---|
| 7 (dark green) | 61 | 0.27 | 0.035 | 0.35 | 0.17 | −0.050 | 0.066 |
| 6 (orange) | 17 | 0.29 | 0.049 | 0.33 | 0.15 | −0.030 | 0.070 |
| 8 (pink) | 59 | 0.34 | 0.034 | 0.40 | 0.24 | −0.040 | 0.057 |
| 9 (light green) | 24 | 0.39 | 0.033 | 0.47 | 0.31 | −0.005 | 0.048 |
| 10 (purple) | 10 | 0.49 | 0.049 | 0.50 | 0.35 | −0.010 | 0.083 |
Notes. We display their hierarchical clustering (HC) classification number (i.e. MMR subgroup number, which we adopt throughout this paper) and colour associated in all plots, the number of stars in each group, median and standard deviations of both [Fe/H] and [Mg/Fe], maximum and minimum values for [Fe/H]. The order displayed is with increasing ⟨[Fe/H]⟩.
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