Table C.1.
Results from the GMM analysis of the metallicity distribution using the CMD Ks versus J − Ks.
| J − Ks | #stars | W1 | [M/H]1 | σ[M/H]1 | W2 | [M/H]2 | σ[M/H]2 | W1/W2 |
|---|---|---|---|---|---|---|---|---|
| (mag) | (norm. units) | (dex) | (dex) | (norm. units) | (dex) | (dex) | ||
| 4-4.5 | 20 | 0.30±0.15 | -0.44±0.36 | 0.36±0.34 | 0.70±0.15 | 0.24±0.08 | 0.25±0.08 | 0.42±0.23 |
| 4.5-5 | 32 | 0.40±0.22 | -0.38±0.52 | 0.36±0.52 | 0.60±0.22 | 0.18±0.12 | 0.31±0.12 | 0.66±0.43 |
| 5-5.5 | 49 | 0.42±0.07 | -0.34±0.09 | 0.47±0.09 | 0.58±0.07 | 0.24±0.07 | 0.33±0.07 | 0.72±0.14 |
| 5.5-6 | 135 | 0.41±0.04 | -0.19±0.06 | 0.45±0.06 | 0.59±0.04 | 0.27±0.04 | 0.30±0.04 | 0.71±0.09 |
| 6-6.5 | 202 | 0.41±0.03 | -0.14±0.05 | 0.45±0.05 | 0.59±0.03 | 0.30±0.03 | 0.29±0.03 | 0.69±0.07 |
| 6.5-7 | 143 | 0.38±0.04 | -0.21±0.08 | 0.54±0.08 | 0.62±0.04 | 0.26±0.04 | 0.30±0.04 | 0.60±0.08 |
| 7-7.5 | 83 | 0.39±0.07 | -0.03±0.09 | 0.46±0.09 | 0.61±0.07 | 0.37±0.05 | 0.28±0.05 | 0.64±0.13 |
Notes. Wi, [M/H]i, and σ[M/H]i, indicate the relative weight, the mean metallicity and the standard deviation of each of the components (i = 1 or 2, corresponding to the metal poor and rich components, respectively) of the GMM modelling.
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