Table 2
Structural parameters derived from the RDPs.
| Cluster | σ0 | Rc | RRDP | 1′ | σ0 | Rc | RRDP |
|
|
| (∗ ′-2) | (′) | (′) | (pc) | (∗ pc-2) | (pc) | (pc) | (stars) | ||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | |
|
|
|||||||||
| Open clusters | |||||||||
| IC 1434 | 7.2 ± 2.2 | 0.90 ± 0.23 | 5.0 ± 0.5 | 0.754 | 12.6 ± 3.9 | 0.68 ± 0.23 | 3.8 ± 1.0 | 19 ± 10 | |
| Mayer 1 | 41.4 ± 28.9 | 0.27 ± 0.12 | 3.5 ± 0.5 | 0.645 | 99.6 ± 69.6 | 0.17 ± 0.10 | 2.3 ± 0.9 | 10 ± 9 | |
| Herschel 1 | — | — | 10.0 ± 2.0 | 0.100 | — | — | 1.0 ± 0.3 | — | |
| Ruprecht 30 | 4.3 ± 3.3 | 0.83 ± 0.52 | 3.5 ± 0.5 | 1.571 | 1.8 ± 1.3 | 1.31 ± 0.92 | 5.5 ± 1.5 | 9 ± 13 | |
| Muzzio 1 | 8.3 ± 3.3 | 2.31 ± 0.74 | 8.5 ± 0.5 | 0.385 | 55.9 ± 22.2 | 0.90 ± 0.35 | 3.3 ± 0.8 | 140 ± 103 | |
| Pismis 12 | 14.6 ± 8.0 | 0.66 ± 0.37 | 5.5 ± 0.5 | 0.549 | 48.4 ± 26.5 | 0.36 ± 0.21 | 3.0 ± 0.6 | 20 ± 24 | |
| NGC 3519 | — | — | 5.0 ± 0.5 | 0.585 | — | — | 2.9 ± 0.8 | — | |
| Juchert 10 | 23.9 ± 16.6 | 0.55 ± 0.27 | 3.0 ± 0.5 | 0.931 | 27.6 ± 19.1 | 0.51 ± 0.28 | 2.8 ± 0.8 | 23 ± 26 | |
|
|
|||||||||
| Borderline cases | |||||||||
| Ruprecht 140 | — | — | 3.0 ± 0.5 | 1.006 | — | — | 3.0 ± 0.8 | — | |
| Ruprecht 146 | — | — | 2.5 ± 0.3 | 0.546 | — | — | 1.3 ± 0.3 | — | |
| Ruprecht 130 | — | — | 1.3 ± 0.3 | 0.248 | — | — | 0.3 ± 0.1 | — | |
| Ruprecht 129 | — | — | 3.5 ± 0.5 | 0.769 | — | — | 2.7 ± 0.7 | — | |
|
|
|||||||||
| Probable asterisms | |||||||||
| Dolidze 39 | — | — | 8.0 ± 2.0 | — | — | — | — | — | |
| BH 79 | — | — | 1.5 ± 0.3 | — | — | — | — | — | |
| Ruprecht 103 | — | — | 1.0 ± 0.3 | — | — | — | — | — | |
Notes. Column 5: arcmin to parsec scale. Column 9: number of stars in the core (
) estimated from the King fit parameters. For comparison with other clusters, the King-like central stellar density (σ0), core radius (Rc), and cluster radius (RRDP) are given both in angular and absolute units. Uncertainties in Cols. 7 and 8 include the errors in distance determination.
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