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Table 1.
Cluster names, number of stars per cluster, and index of cluster used on some figures.
| Cluster name | Number of stars |
Index of cluster |
||
|---|---|---|---|---|
| wrt Sun | wrt M 67 | Sfull | Mfull/Msel | |
| M 67 | 35 | 23 | 1 | 1 |
| NGC 6705 | 20 | 20 | 2 | 2 |
| IC 4651 | 20 | 19 | 3 | 3 |
| NGC 2632 | 19 | 19 | 4 | 4 |
| IC 2714 | 8 | 8 | 5 | 5 |
| NGC 2539 | 8 | 8 | 7 | 6 |
| NGC 752 | 7 | 7 | 8 | 7 |
| Melotte 111 | 6 | 6 | 9 | 8 |
| NGC 2360 | 8 | 6 | 6 | 9 |
| NGC 2447 | 6 | 6 | 10 | 10 |
| NGC 4349 | 6 | 6 | 11 | 11 |
| NGC 3680 | 5 | 5 | 12 | 12 |
| NGC 1817 | 4 | 4 | 16 | 13 |
| NGC 2567 | 4 | 4 | 17 | 14 |
| NGC 6494 | 4 | 4 | 18 | 15 |
| NGC 6940 | 5 | 4 | 14 | 16 |
| Melotte 22 | 3 | 3 | 20 | 17 |
| NGC 3114 | 3 | 3 | 22 | 18 |
| NGC 3532 | 3 | 3 | 23 | 19 |
| NGC 6633 | 4 | 3 | 19 | 20 |
| IC 4756 | 4 | 2 | 15 | 21 |
| Melotte 71 | 2 | 2 | 24 | 22 |
| NGC 2099 | 2 | 2 | 25 | 23 |
| NGC 2251 | 2 | 2 | 26 | 24 |
| NGC 2287 | 2 | 2 | 27 | 25 |
| NGC 2423 | 3 | 2 | 21 | 26 |
| NGC 2548 | 2 | 2 | 28 | 27 |
| NGC 5822 | 5 | 2 | 13 | 28 |
| Collinder 350 | 1 | 1 | 30 | 29 |
| Melotte 20 | 1 | 1 | 31 | 30 |
| NGC 2477 | 1 | 1 | 32 | 31 |
| NGC 2547 | 1 | 1 | 33 | 32 |
| NGC 6475 | 1 | 1 | 34 | 33 |
| NGC 6811 | 2 | – | 29 | – |
| Total | 208 | 183 | ||
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