Table 1
Absolute trigonometric parallaxes and proper motions derived in this work for the 13 TWA stars.
| Star | α | δ | π | d | μαcosδ | μ δ | Δπ | Δμαcosδ | Δμδ |
| (h:m:s) | (°′′′) | (mas) | (pc) | (mas/yr) | (mas/yr) | (mas) | (mas/yr) | (mas/yr) | |
|
|
|||||||||
| TWA 1 | 11 05 51.97 | –34 42 16.9 | 20.8 ± 4.0 | 48.1 ± 9.3 | −68.4 ± 1.5 | −8.0 ± 1.5 | 0.78 | –7.18 | 1.11 |
| TWA 2 | 11 09 13.88 | –30 01 39.7 | 24.0 ± 4.8 | 41.6 ± 8.3 | −87.7 ± 2.3 | −7.9 ± 2.3 | 0.81 | –7.20 | 0.24 |
| TWA 5 | 11 31 55.46 | –34 36 28.8 | 20.5 ± 2.4 | 48.7 ± 5.7 | −75.8 ± 1.0 | −18.3 ± 1.0 | 0.73 | –7.00 | 0.28 |
| TWA 7 | 10 42 30.20 | –33 40 16.0 | 29.0 ± 2.1 | 34.5 ± 2.5 | −114.4 ± 0.8 | −19.1 ± 0.8 | 0.85 | –7.24 | 1.45 |
| TWA 8A | 11 32 41.32 | –26 51 55.6 | 23.4 ± 2.0 | 42.8 ± 3.7 | −87.1 ± 0.8 | −28.0 ± 0.8 | 0.89 | –7.62 | –1.00 |
| TWA 8B | 11 32 41.23 | –26 52 08.7 | 25.9 ± 2.0 | 38.6 ± 3.0 | −86.5 ± 0.9 | −25.0 ± 0.9 | 0.89 | –7.62 | –1.00 |
| TWA 9A | 11 48 24.22 | –37 28 49.2 | 19.1 ± 2.7 | 52.3 ± 7.4 | −53.1 ± 3.9 | −24.9 ± 3.9 | 0.71 | –7.05 | 0.10 |
| TWA 9B | 11 48 23.77 | –37 28 48.3 | 19.2 ± 1.1 | 52.1 ± 3.0 | −51.0 ± 0.6 | −18.1 ± 0.6 | 0.71 | –7.05 | 0.10 |
| TWA 10 | 12 35 04.31 | –41 36 38.3 | 16.2 ± 1.0 | 61.5 ± 3.8 | −64.6 ± 0.4 | −30.3 ± 0.4 | 0.55 | –6.58 | –0.52 |
| TWA 12 | 11 21 05.55 | –38 45 16.2 | 15.4 ± 1.7 | 65.1 ± 7.2 | −66.2 ± 0.5 | −7.4 ± 0.5 | 0.67 | –6.80 | 0.70 |
| TWA 21 | 10 13 14.85 | –52 30 54.1 | 19.8 ± 1.4 | 50.4 ± 3.6 | −61.3 ± 0.6 | 10.6 ± 0.6 | 1.03 | –7.49 | 3.39 |
| TWA 23 | 12 07 27.44 | –32 47 00.0 | 20.6 ± 1.8 | 48.4 ± 4.2 | −75.8 ± 0.9 | −25.7 ± 0.9 | 0.74 | –7.23 | –0.79 |
| TWA 26 | 11 39 51.21 | –31 59 21.2 | 26.2 ± 1.1 | 38.1 ± 1.6 | −93.3 ± 0.5 | −27.5 ± 0.5 | 0.64 | –6.30 | 0.11 |
Notes. For each star we provide its position (epoch = 2000.0), absolute parallax, distance, absolute proper motions, and the Δ corrections applied to relative values of parallax and proper motions. For example, to obtain absolute parallax for TWA 1, πrelative + 0.78 = π given in Col. 4.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.