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Table 2
Values for the parameters a and b (Eq. (1)) for the three clusters and the field stars, as well as the number of stars taken into account in the respective clusters and in the field.
| Cluster | a | b | N |
|
|
|||
| NGC 6791 | 0.28 ± 0.01 | 0.75 ± 0.01 | 46 |
| NGC 6819 | 0.24 ± 0.01 | 0.77 ± 0.01 | 42 |
| NGC 6811 | 0.20 ± 0.06 | 0.79 ± 0.06 | 4 |
| field | 0.266 ± 0.004 | 0.761 ± 0.004 | 662 |
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