Table 12: The group means for the parameters of the GCs of M 31.
Variables Cluster 1 Cluster 2 Cluster 3
No. of members 9 19 7
$\langle[{\rm Fe/H}]\rangle$ -0.43 -1.51 -1.41
$\langle B-V\rangle$ 1.06 0.76 0.73
$\langle c\rangle$ 1.67 1.55 1.08
$\langle R_{\rm c}\rangle$(pc) 0.545 0.92 1.93
$\langle R_{\rm gc}$(kpc) 5.28 8.78 8.17
$\langle\mu_V\rangle$ 16.28 16.01 16.56
$\langle v_{\rm rot}\rangle$ (km s-1) 52.87 31.16 51.90


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