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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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