Table 1.
Cluster recovering simulations.
| Cluster | μRA (mas yr−1) | μDec (mas yr−1) | σRA (mas yr−1) | σμDec (mas yr−1) | R (arcsec) | % recov. | % contam. |
|---|---|---|---|---|---|---|---|
| Model 0.0 Myr | –0.83 | –1.78 | 0.22 | 0.25 | 22 | – | – |
| Recovered | –0.84 ± 0.01 | –1.81 ± 0.02 | 0.32 ± 0.04 | 0.34 ± 0.04 | 39 ± 4 | 85 ± 6 | 17 ± 6 |
| Model 0.6 Myr | –0.79 | –1.71 | 0.22 | 0.27 | 22 | – | – |
| Recovered | –0.81 ± 0.01 | –1.74 ± 0.01 | 0.32 ± 0.04 | 0.35 ± 0.04 | 39 ± 4 | 84 ± 6 | 16 ± 6 |
| Model 1.5 Myr | –0.81 | –1.69 | 0.22 | 0.28 | 43 | – | – |
| Recovered | –0.83 ± 0.06 | –1.77 ± 0.11 | 0.33 ± 0.07 | 0.36 ± 0.14 | 43 ± 4 | 80 ± 11 | 19 ± 11 |
| Model 2.1 Myr | –0.70 | –1.73 | 0.24 | 0.27 | 69 | – | – |
| Recovered | –0.73 ± 0.02 | –1.80 ± 0.03 | 0.34 ± 0.06 | 0.34 ± 0.08 | 50 ± 3 | 78 ± 5 | 21 ± 9 |
| Model 3.0 Myr | –0.74 | –1.69 | 0.23 | 0.28 | 122 | – | – |
| Recovered | –0.79 ± 0.07 | –1.84 ± 0.12 | 0.39 ± 0.12 | 0.43 ± 0.19 | 63 ± 6 | 61 ± 11 | 32 ± 15 |
| Model 3.3 Myr | –0.68 | –1.62 | 0.24 | 0.31 | 152 | – | – |
| Recovered | –0.83 ± 0.19 | –1.92 ± 0.25 | 0.51 ± 0.19 | 0.60 ± 0.29 | 73 ± 13 | 57 ± 8 | 43 ± 18 |
| Model 3.6 Myr | –0.72 | –1.51 | 0.23 | 0.37 | 191 | – | – |
| Recovered | –0.95 ± 0.23 | –1.98 ± 0.34 | 0.61 ± 0.23 | 0.73 ± 0.33 | 82 ± 16 | 50 ± 10 | 52 ± 20 |
| Model 3.9 Myr | –0.79 | –1.57 | 0.22 | 0.34 | 228 | – | – |
| Recovered | –1.13 ± 0.29 | –2.29 ± 0.44 | 0.76 ± 0.27 | 0.96 ± 0.38 | 93 ± 23 | 43 ± 12 | 65 ± 21 |
| Model 4.5 Myr | –0.83 | –1.51 | 0.22 | 0.37 | 322 | – | – |
| Recovered | –1.28 ± 0.32 | –2.53 ± 0.48 | 0.89 ± 0.28 | 1.11 ± 0.38 | 97 ± 29 | 28 ± 11 | 76 ± 20 |
| Model 5.1 Myr | –0.93 | –1.61 | 0.24 | 0.32 | 416 | – | – |
| Recovered | –1.45 ± 0.26 | –2.85 ± 0.30 | 1.01 ± 0.17 | 1.26 ± 0.22 | 108 ± 32 | 16 ± 5 | 89 ± 10 |
Notes. Rows that start with the word Model refer to the clusters we inserted to be recovered for the algorithm and the time we evolved then. The rest of rows refers to the statistics of the recovered clusters. Columns are: Proper motion in RA and Dec directions, standard deviations for the proper motions, cluster radius, percentage of stars recovered from the original model and percentage of stars contamination in the recovered cluster. The uncertainties are the standard deviation for the 50 runs in each case.
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