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Table 3
Parameters of the best orbital solution for Sa – Sb.
| Orbital element | Value | |
|
|
||
| Date of periastron T0 | 2 450 131 |
|
| (1996 Feb. 17) | ||
| Period P (years) | 27 |
|
| Semi-major axis a (mas) | 85 |
|
| Semi-major axis a (AU) | 12.5 |
|
| Eccentricity e | 0.56 |
|
| Argument of periastron ω (°) | 48 |
|
| PA of ascending node Ω (°) | 92 |
|
| Inclination i (°) | 20 |
|
| System mass MS (mas3/ year2) | 838 |
|
| Mass error from distance error (M⊙) | ± 0.032 | |
| System mass MS (M⊙) | 2.65 |
|
| reduced χ2 | 2.7 | |
|
|
||
| Mass ratio MSb/MSa | 0.25 | ± 0.03 |
| Mass of Sa MSa (M⊙) | 2.12 | ± 0.10 |
| Mass of Sb MSb (M⊙) | 0.53 | ± 0.06 |
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