Table 3
Encounter parameters of the centres of mass of the binary systems in which at least one member is among the 49 stars with a 95% empirical probability of having a close encounter with β Pic.
| WDS name | Gaia DR3 ID1 | Gaia DR3 ID2 | Enc. time (Myr) | Enc. distance (pc) | Projected separation (au) | ||
|---|---|---|---|---|---|---|---|
| t50 | [t2.5, t97.5] | d50 | [d2.5, d97.5] | ||||
| J03572 –4413 | 4841460279069516672 | 4841460210350512768 | –1.43 | [–1.46, –1.39] | 0.81 | [0.19, 1.55] | 934 |
| J13237+0243 | 3712538811193759744 | 3712538708114516736 | –0.65 | [–0.66, –0.63] | 0.92 | [0.75, 1.15] | 434 |
| J05055 –5728 | 4763897739549071744 | 4763906879239461632 | –0.45 | [–0.49, –0.41] | 0.80 | [0.64, 0.95] | 3760 |
| – | 4078432504018987904 | 4078432297860547072 | 0.83 | [ 0.82, 0.84] | 1.53 | [1.29, 1.91] | 1584 |
Notes. The system names were taken from the WDS catalogue (Mason et al. 2001). For the group with no designated name, the association was identified in El-Badry et al. (2021). The fourth and fifth groups of columns represent the encounter times and encounter distances, and the last column provides the projected separation of the two components of the system at the present time.
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