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Table 1.
Maximum likelihood best-fit parameters of the RV and astrometry distributions of the sample clusters.
| Cluster | RV | σRV | ϖ | σϖ | μα* | σμα* | μδ | σμδ |
|---|---|---|---|---|---|---|---|---|
| (km s−1) | (km s−1) | (mas) | (mas) | (mas yr−1) | (mas yr−1) | (mas yr−1) | (mas yr−1) | |
| 25 Ori | 20.49 ± 0.08 | 0.83 ± 0.07 | 2.881 ± 0.004 | 0.051 ± 0.004 | 1.347 ± 0.015 | 0.282 ± 0.013 | −0.178 ± 0.017 | 0.348 ± 0.014 |
| Gamma Vel A | 17.13 ± 0.08 | 0.70 ± 0.07 | 2.915 ± 0.005 | 0.058 ± 0.004 | −6.502 ± 0.016 | 0.278 ± 0.012 | 9.706 ± 0.018 | 0.302 ± 0.014 |
| Gamma Vel B | 20.19 ± 0.17 | 1.10 ± 0.14 | 2.645 ± 0.008 | 0.077 ± 0.007 | −5.983 ± 0.021 | 0.265 ± 0.016 | 8.609 ± 0.035 | 0.434 ± 0.024 |
| NGC 2547 | 12.76 ± 0.07 | 0.74 ± 0.06 | 2.588 ± 0.002 | 0.019 ± 0.006 | −8.567 ± 0.014 | 0.239 ± 0.011 | 4.334 ± 0.014 | 0.231 ± 0.011 |
| NGC 2451 B | 15.02 ± 0.10 | 0.47 ± 0.10 | 2.766 ± 0.004 | 0.037 ± 0.014 | −9.686 ± 0.019 | 0.258 ± 0.021 | 4.854 ± 0.014 | 0.183 ± 0.012 |
| NGC 2516 | 23.82 ± 0.06 | 0.96 ± 0.05 | 2.429 ± 0.001 | 0.025 ± 0.003 | −4.622 ± 0.012 | 0.438 ± 0.010 | 11.239 ± 0.010 | 0.365 ± 0.009 |
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