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Table 2
Parameters of the best orbital solution for the pair B-C.
| Orbital element | Value | |
|
|
||
| Date of periastron T0 | 2 454 145.0 |
|
| (2007 Feb. 13) | ||
| Period P (years) | 17.24 |
|
| Semi-major axis a (mas) | 457.8 |
|
| Semi-major axis a (AU) | 3.53 |
|
| Eccentricity e | 0.0227 |
|
| Argument of periastron ω (°) | 217.01 |
|
| PA of ascending node Ω (°) | 14.65 |
|
| Inclination i (°) | 61.82 |
|
| System mass MS (mas3/year2) | (3.23 ± | 0.01) × 105 |
| System mass MB + MC (M⊙) | 0.149 | ± 0.009 |
| Mean absolute difference | ||
| observed–predicted (mas) | 4.9 | |
| Reduced χ2 | 3.5 | |
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