Table 2
Companions of the USco targets.
| Star | Component | Sep./period | Bright. (V) | SpT | Mass | Reference/comment |
| [′′]/days | [mag] | [M⊙] | ||||
|
|
||||||
| ρ Sco | Aa | 3.81 | B2 | 10 | 2 | |
| Ab | 4.003 d | 2, 5 | ||||
| π Sco | Aa | 2.83 | B1 | 15 | 2 | |
| Ab | 1.57 d | B2 | 10 | 2, 5 eclipsing binary | ||
| B | 0.4 | see Sect. 5 | ||||
| τ Sco | A | 2.74 | B0 | 18 | 2, | |
| B | 70.93 | 5.7 | 10 | |||
| σ Sco | Aa | 3.3 | B1 | 18.4 | 1, 4 | |
| Ab | 0.003′′ | 5.3 | B1 | 11.9 | 1, 4, see Sect. 4 | |
| B | 0.43′′ | 5.2 | B7 | 3.5 | 1, 4 | |
| C | 20′′ | 8.6 | B9.5 | 2.7 | 4 | |
| ω Sco | A | 3.93 | B1 | 15 | 2 | |
| χ Oph | Aa | 4.29 | B2 | 10 | 2 | |
| Ab | 34.12 d | 2, 3 | ||||
| Ac | 138.8 d | 5 | ||||
| ν Sco | HR 6027 Aa | 4.37 | B2IV | 10 | 1 | |
| HR 6027 Ab | 5.55 d | 6.9 | 1 | 1, 5, 6, 7 | ||
| HR 6027 B | 1.305′′ | 5.4 | 6 | 1, 5, 6, 10 | ||
| HR 6027 C | 0.063′′ | 6.6 | 6 | 1, 8, Sect. 4 | ||
| HR 6026 A | 41.1′′ | 6.9 | B8V | 3 | 1 | |
| HR 6026 Ba | 2.0′′ | 7.4 | B9V | 2.7 | 1, 6 | |
| HR 6026 Bb | 7.9 | B9V | 2.7 | 1, 9 | ||
| HR 6026 C | 1.5 | see Sect. 5 | ||||
Reference. (1) MSC, Tokovinin (1997); (2) BSC, Eggleton & Tokovinin (2008); (3) Harmanec (1987); (4) North et al. (2007); (5) Kouwenhoven et al. (2007); (6) Levato et al. (1987); (7) Batten et al. (1989); (8) McAlister et al. (1990); (9) Andersen & Nordstrom (1983); (10) Lafrenière et al. (2014).
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