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Table 3
Mean metallicity and dispersion measured in the P1 and P2 stars with their 1σ uncertainties.
| Cluster | Nstars | Mean [M/H] | σ [M/H] | Nstars | Mean [M/H] | σ [M/H] | Mean [M/H] | σ [M/H] | |
|---|---|---|---|---|---|---|---|---|---|
| P1 | P2 | P1+P2 | |||||||
| NGC 104 | 226 | −0.802 ± 0.002 | 0.033 ± 0.002 | 916 | −0.802 ± 0.001 | 0.032 ± 0.001 | −0.802 ± 0.001 | 0.033 ± 0.001 | |
| NGC 1851 | 127 | −1.207 ± 0.003 | 0.036 ± 0.003 | 239 | −1.210 ± 0.002 | 0.031 ± 0.002 | −1.209 ± 0.002 | 0.033 ± 0.001 | |
| NGC 2808 | 152 | −1.108 ± 0.005 | 0.056 ± 0.004 | 483 | −1.096 ± 0.002 | 0.052 ± 0.002 | −1.105 ± 0.003 | 0.055 ± 0.003 | |
| NGC 3201 | 30 | −1.482 ± 0.008 | 0.045 ± 0.006 | 47 | −1.474 ± 0.004 | 0.029 ± 0.003 | −1.477 ± 0.004 | 0.036 ± 0.003 | |
| NGC 362 | 113 | −1.178 ± 0.004 | 0.038 ± 0.003 | 281 | −1.195 ± 0.002 | 0.037 ± 0.002 | −1.191 ± 0.002 | 0.038 ± 0.002 | |
| NGC 5286 | 115 | −1.663 ± 0.006 | 0.057 ± 0.005 | 174 | −1.654 ± 0.004 | 0.046 ± 0.003 | −1.658 ± 0.003 | 0.051 ± 0.003 | |
| NGC 5904 | 113 | −1.307 ± 0.004 | 0.037 ± 0.003 | 355 | −1.315 ± 0.001 | 0.022 ± 0.001 | −1.313 ± 0.001 | 0.027 ± 0.001 | |
| NGC 6093 | 234 | −1.661 ± 0.003 | 0.034 ± 0.003 | 324 | −1.662 ± 0.002 | 0.027 ± 0.002 | −1.662 ± 0.002 | 0.030 ± 0.002 | |
| NGC 6218 | 64 | −1.330 ± 0.003 | 0.021 ± 0.003 | 97 | −1.345 ± 0.003 | 0.022 ± 0.002 | −1.339 ± 0.002 | 0.022 ± 0.002 | |
| NGC 6254 | 83 | −1.519 ± 0.005 | 0.047 ± 0.004 | 171 | −1.524 ± 0.002 | 0.026 ± 0.002 | −1.523 ± 0.002 | 0.034 ± 0.002 | |
| NGC 6362 | 33 | −1.101 ± 0.006 | 0.024 ± 0.007 | 18 | −1.119 ± 0.007 | 0.012 ± 0.009 | −1.108 ± 0.005 | 0.020 ± 0.006 | |
| NGC 6388 | 97 | −0.541 ± 0.008 | 0.078 ± 0.006 | 312 | −0.498 ± 0.004 | 0.064 ± 0.003 | −0.507 ± 0.004 | 0.070 ± 0.003 | |
| NGC 6441 | 148 | −0.433 ± 0.005 | 0.055 ± 0.004 | 374 | −0.378 ± 0.004 | 0.083 ± 0.003 | −0.394 ± 0.004 | 0.080 ± 0.003 | |
| NGC 6541 | 255 | −1.736 ± 0.002 | 0.026 ± 0.002 | 242 | −1.743 ± 0.002 | 0.027 ± 0.002 | −1.740 ± 0.001 | 0.028 ± 0.001 | |
| NGC 6624 | 68 | −0.786 ± 0.005 | 0.038 ± 0.004 | 175 | −0.804 ± 0.003 | 0.029 ± 0.002 | −0.799 ± 0.002 | 0.033 ± 0.002 | |
| NGC 6656 | 72 | −1.831 ± 0.007 | 0.059 ± 0.005 | 107 | −1.806 ± 0.006 | 0.065 ± 0.005 | −1.816 ± 0.005 | 0.064 ± 0.004 | |
| NGC 6681 | 38 | −1.547 ± 0.005 | 0.024 ± 0.005 | 180 | −1.558 ± 0.003 | 0.032 ± 0.003 | −1.556 ± 0.003 | 0.031 ± 0.002 | |
| NGC 6752 | 92 | −1.518 ± 0.004 | 0.038 ± 0.003 | 220 | −1.514 ± 0.002 | 0.027 ± 0.002 | −1.517 ± 0.002 | 0.032 ± 0.002 | |
| NGC 7078 | 220 | −2.242 ± 0.005 | 0.067 ± 0.004 | 329 | −2.200 ± 0.003 | 0.053 ± 0.003 | −2.237 ± 0.004 | 0.064 ± 0.003 | |
| NGC 7089 | 171 | −1.515 ± 0.005 | 0.058 ± 0.004 | 670 | −1.526 ± 0.002 | 0.038 ± 0.001 | −1.524 ± 0.002 | 0.044 ± 0.001 | |
| NGC 7099 | 67 | −2.184 ± 0.007 | 0.051 ± 0.005 | 150 | −2.167 ± 0.003 | 0.028 ± 0.003 | −2.172 ± 0.003 | 0.038 ± 0.002 | |
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