Table 4: Mean metallicities and dispersions for the branches considered in the present work and for the superclusters according to (1) Helmi et al. (2006).
  Branches (this work) Superclusters (1)
  $\overline {{\rm [Fe/H]}}\ \ $ $\sigma_{{\rm [Fe/H]}}$ $\overline {{\rm [Fe/H]}}\ \ $ $\sigma_{{\rm [Fe/H]}}$
  ( ${\rm ~dex}$)$\ \ \ $ ( ${\rm ~dex}$) ( ${\rm ~dex}$)$\ \ \ $ ( ${\rm ~dex}$)
Hercules $-0.15\ \ $ 0.27 $-0.13\ \ $0.2
Hyades-Pleiades $-0.11\ \ $ 0.20 $-0.08\ \ $0.2
Coma Berenices $-0.16\ \ $ 0.22 ...
Sirius $-0.21\ \ $ 0.21 $-0.18\ \ $0.2


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