Table 4: Atmospheric parameters. Typical errors in temperature, logarithm of gravity and micro-turbulent velocity are 100$^\circ $K, 0.2 , and 0.1 km s-1.
Cluster ID $T_{\rm {eff}}$ $\log(g)$ $v_{\rm t}$ log(Fe) [Fe/H] Membership
    $\hbox{$^\circ$ }$K   km s-1   dex  
Berkeley 75 9 4968 2.57 1.55 7.04 $-0.44\pm0.03$ NM
  22 5180 3.37 1.21 7.26 $-0.22\pm0.03$ M
Berkeley 25 10 5000 2.90 1.65 7.58 $+0.10\pm0.05$ NM
  12 4870 2.75 1.50 7.28 $-0.20\pm0.04$ M
  13 4860 2.65 1.73 7.31 $-0.17\pm0.04$ M
  21 5100 2.50 1.80 7.32 $-0.19\pm0.14$ M
  23 5000 2.50 1.80 7.26 $-0.25\pm0.12$ M
Ruprecht 7 2 5160 2.12 1.62 7.14 $-0.34\pm0.02$ M
  4 5105 2.05 1.90 7.24 $-0.24\pm0.01$ M
  5 5230 2.19 2.10 7.21 $-0.27\pm0.01$ M
  6 5230 2.23 2.08 7.28 $-0.20\pm0.01$ M
  7 5150 2.40 1.82 7.23 $-0.25\pm0.01$ M
Ruprecht 4 3 5180 2.63 1.56 7.41 $-0.07\pm0.01$ M
  4 5150 2.52 1.66 7.45 $-0.04\pm0.02$ M
  8 5190 2.64 1.40 7.32 $-0.16\pm0.01$ M
  18 5040 3.17 1.20 7.13 $-0.35\pm0.01$ NM
  29 4920 2.78 1.37 7.14 $-0.34\pm0.02$ NM
Berkeley 73 12 5030 2.78 1.40 7.09 $-0.39\pm0.02$ NM
  13 5730 4.15 0.99 7.65 $+0.17\pm0.01$ NM
  15 5070 3.12 1.04 7.10 $-0.38\pm0.01$ NM
  16 4890 2.71 1.45 7.30 $-0.18\pm0.02$ M
  18 4940 2.88 1.32 7.23 $-0.27\pm0.02$ M
  19 5870 4.23 1.40 7.45 $-0.03\pm0.03$ NM

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