Table 5.
Kinematic properties of our targets and their associated stellar systems.
| Name | Parallax | μα | μδ | RV |
|---|---|---|---|---|
| (mas) | (mas yr−1) | (mas yr−1) | (km s−1) | |
| 2MASS J1815-3249 | 13.12 ± 0.054 | 1.07 ± 0.095 | −52.74 ± 0.078 | −20.1 ± 2.0 |
| V4046Sgr | 13.81 ± 0.064 | 3.49 ± 0.11 | −52.75 ± 0.087 | −6.94 ± 0.16 |
| GSC 7396-00759 | 13.99 ± 0.052 | 3.08 ± 0.10 | −52.64 ± 0.08 | −6.10 ± 0.5 |
| 2MASS J1517-3028 | 8.16 ± 0.11 | −21.67 ± 0.21 | −28.31 ± 0.18 | 1.4 ± 2.4 |
| HIP 74865 | 8.09 ± 0.061 | −21.07 ± 0.11 | −28.42 ± 0.10 | 2.0 ± 0.3 |
| 2MASS J1324-5129 | 8.01 ± 0.35 | −31.85 ± 0.53 | −17.07 ± 0.44 | 15.29 ± 5.75 |
| HIP 65426 | 9.16 ± 0.062 | −34.25 ± 0.10 | −18.81 ± 0.093 | 12.2 ± 0.3 |
| 2MASS J1457-3543 | 9.86 ± 0.42 | −28.68 ± 0.68 | −27.3 ± 0.65 | 8.0 ± 7.8 |
| HIP 73145 | 7.48 ± 0.20 | −23.35 ± 0.26 | −24.94 ± 0.30 | 3.8 ± 1.6 |
| 2MASS J1549-3539 | 6.59 ± 0.05 (a) | −14.81 ± 0.97 | −21.95 ± 0.65 | −2.0 ± 2.8 |
| GQ Lup | 6.59 ± 0.05 | −14.26 ± 0.01 | −23.6 ± 0.07 | −3.6 ± 1.3 |
| GQ Lup B | 7.2 ± 2.1 | – | – | 2.0 ± 0.4 |
Notes. For a discussion on the adopted kinematic properties of 2MASS J1549-3539, the reader is referred to Alcalá et al. (2020); we have adopted the parallax of the central star for 2MASS J1549-3539 because of its highly uncertain measured kinematic features as the only accreting object among the targets.
Considering that the astrometric parameters of GQ Lup C are somewhat biased by illumination effects (due to the presence of a disk and likely outflows), the parallx of GQ Lup has been adopted for this target; see Alcalá et al. (2020) for more information.
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