Table 3.
Astrometry of the components of the red dwarf binary GJ65 AB from Gaia DR2 and EDR3 and their barycenter, adopting the fractional mass mB/(mA + mB) = 0.4938 ± 0.0031 from Kervella et al. (2016b).
| Star | Number | RUWE | RA | Dec | μα | μδ | ϖ |
|---|---|---|---|---|---|---|---|
| (mas a−1) | (mas a−1) | (mas) | |||||
| Gaia DR2 | |||||||
| GJ65 A | 5140693571158739840 | 6.5 | 01h39m05.05425s | −17d56m54.1548s | +3385.90 ± 0.53 | +531.97 ± 0.41 | 369.96 ± 0.29 |
| GJ65 B | 5140693571158739712 | 6.9 | 01h39m05.09051s | −17d56m51.9462s | +3182.81 ± 0.60 | +592.04 ± 0.46 | 372.19 ± 0.30 |
| GJ65 AB | 01h39m05.0722s | −17d56m53.0642s | |||||
| Gaia EDR3 | |||||||
| GJ65 A | 5140693571158739840 | 12.4 | 01h39m05.17303s | −17d56m53.8796s | +3385.30 ± 0.67 | +544.42 ± 0.38 | 367.76 ± 0.83 |
| GJ65 B | 5140693571158946048 | 10.5 | 01h39m05.20181s | −17d56m51.6583s | +3178.68 ± 0.43 | +584.10 ± 0.30 | 373.84 ± 0.56 |
| GJ65 AB | 01h39m05.1872s | −17d56m52.7827s | |||||
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