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Table 1

Basic data for clusters studied.

Cluster Parallax DM Distance (pc) E(BV) [Fe/H] Z

α Per 5.63 ± 0.09 6.18 ± 0.03 177.6 0.09 ± 0.02 + 0.02 ± 0.03 0.016
Coma Ber 11.53 ± 0.12 4.69 ± 0.02 86.7 0.00 ± 0.02 0.00 ± 0.07 0.015
IC 2602 6.64 ± 0.09 5.86 ± 0.03 150.6 0.04 ± 0.02 −0.05 ± 0.05 0.014
NGC 2232 2.83 ± 0.17 7.59 ± 0.14 353 0.02 ± 0.02 0.27 ± 0.08 0.028
NGC 2451A 5.39 ± 0.11 6.32 ± 0.04 185.5 0.01 ± 0.02 0.02 ± 0.08 0.016
NGC 2516 2.90 ± 0.08 7.68 ± 0.07 345 0.11 ± 0.03 0.01 ± 0.07 0.016
NGC 6475 3.31 ± 0.13 7.16 ± 0.08 302 0.06 ± 0.03 0.14 ± 0.06 0.021

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