Table 1.
Results from the MLE fit of the two sub-clusters of Chamaeleon I: parallax with its error (π), the parallax dispersion and its error σπ,0, the proper motions μα and μδ with their errors and the relative dispersions σμα,0σμδ, 0 with their errors.
| π | σπ,0 | μα | σμα,0 | μδ | σμδ, 0 | |
|---|---|---|---|---|---|---|
| Cha I North | 5.188 ± 0.012 | 0.060 ± 0.011 | −22.069 ± 0.101 | 0.738 ± 0.063 | −0.050 ± 0.115 | 0.873 ± 0.079 |
| Cha I South | 5.363 ± 0.021 | 0.085 ± 0.017 | −23.127 ± 0.114 | 0.571 ± 0.072 | 1.593 ± 0.238 | 1.126 ± 0.159 |
| frac N | 0.638 ± 0.068 | |||||
| ln(L)max | −271.69 |
Notes. The definition of the dispersions in parallax and proper motions is given in Appendix B.
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