Table 1: WEBDA parameters on well-studied open clusters.

Cluster
[Fe/H] Age (Myr) $d_{\odot}$ (pc) $R_{\rm ex}$ ($^\prime$) (m-M)V (m-M)J ( $m-M)_{K_{\rm S}}$ E(B-V) E(J-H) $E(J-K_{\rm S}$)

Pleiades, M 45
+0.11  135  150 66  5.98  5.910  5.895 0.030 0.009 0.015
M 41, NGC 2287 +0.04  243  693 25  9.29  9.227  9.214 0.027 0.008 0.013
Praesepe, M 44, NGC 2632 +0.14  729  187 72  6.39  6.412  6.383 0.009 0.003 0.004
M 67, NGC 2682 -0.15 2564  908 15  9.98  9.799  9.794 0.059 0.018 0.029
NGC 6791 +0.11 4395 5853  7 14.21 13.936 13.879 0.117 0.036 0.057

Column 4: distance to the Sun; Col. 5: radius used for VizieR extraction.

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