Table 3.
Groups identified in the region of Upper Scorpius and Ophiuchus.
| Group | Num. members | X | Y | Z | U | V | W | σX | σY | σZ | σU | σV | σW | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | BF 5D | BF 6D | (pc) | (km s−1) | (pc) | (km s−1) | |||||||||
| ρ Oph | 415 | 339 | 94 | 131.7 | −15.7 | 41.4 | −5.9 | −15.1 | −9.2 | 3.7 | 1.3 | 2.6 | 1.6 | 0.9 | 1.2 |
| ν Sco | 143 | 111 | 57 | 127.5 | −12.4 | 54.2 | −5.7 | −15.4 | −8.8 | 2.6 | 1.9 | 1.7 | 1.0 | 0.5 | 1.1 |
| α Sco | 600 | 516 | 135 | 141.8 | −20.3 | 44.7 | −3.6 | −16.5 | −5.9 | 14.5 | 4.9 | 6.5 | 1.0 | 0.7 | 0.6 |
| σ Sco | 534 | 357 | 104 | 141.0 | −22.5 | 50.7 | −5.6 | −16.5 | −7.5 | 13.4 | 7.7 | 9.1 | 2.2 | 1.5 | 1.3 |
| β Sco | 182 | 143 | 61 | 139.4 | −16.3 | 61.3 | −3.1 | −16.1 | −6.8 | 4.4 | 2.8 | 3.7 | 1.1 | 0.5 | 0.7 |
| δ Sco | 425 | 333 | 131 | 129.5 | −21.9 | 53.3 | −6.2 | −16.1 | −7.7 | 3.6 | 4.7 | 4.0 | 0.8 | 0.6 | 0.8 |
| π Sco | 511 | 391 | 88 | 117.5 | −20.3 | 41.9 | −4.7 | −18.2 | −4.6 | 16.9 | 8.6 | 7.6 | 1.8 | 0.9 | 1.0 |
Notes. Number of members and properties of the groups identified in this study. Columns indicate: (1) the name of the group used in this study, (2) the total numbers of stars per group, (3) the number of bona fide stars with 5D astrometry per group, (4) the number of bona fide stars with 6D (astrometry and radial velocities) per group, (5)–(7) the median positions, (8)–(10) the median velocities, (11)–(13) the standard deviation of the positions, (14)–(16) the standard deviation in the velocities.
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