Table 3
Parameters of the best GMM fit.
| System | μblue | Nblue | σblue | μred | Nred | σred |
|
p-value | D | k | |
|
|
|||||||||||
| NGC 6482 | 1.02 ± 0.02 | 181 ± 16 | 0.19 ± 0.02 | 1.49 ± 0.02 | 188 ± 16 | 0.19 ± 0.02 | 1.26 | 0.001 | 2.42 (0.001) | –0.7 | |
| NGC 1132 | 0.91 ± 0.01 | 540 ± 87 | 0.10 ± 0.01 | 1.23 ± 0.03 | 870 ± 87 | 0.23 ± 0.02 | 1.11 | 0.01 | 1.88 (0.13) | –0.41 | |
| ESO 306-017 | 0.99 ± 0.02 | 781 ± 124 | 0.12 ± 0.01 | 1.34 ± 0.03 | 1137 ± 124 | 0.19 ± 0.01 | 1.20 | 0.01 | 2.17 (0.08) | –0.59 | |
Notes. Column 1: System name; Cols. 2, 3 and 4: mean value, size and dispersion of blue population; Cols. 5–7: mean value, size and dispersion of red population; Col. 8: mean color of the GC population; Col. 9: the probability of recovering the same χ2 value from a unimodal distribution; Col. 10: separation of the means, 
, in parenthesis the probability of recovering the same value from a unimodal distribution; Col. 11: kurtosis of the color distribution.
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