Table 4.
Parameters of the orbit (Aa1+Aa2)+Ab, for the model with unreduced χ2 = 95.
| Parameter | Value | Unit |
|---|---|---|
| T0 | 2458773.1886±0.1 | HJD |
| (m1 + m2) f | 26.5±2.0 | M⊙ |
| m3 | 11.102±1.2 | M⊙ |
| P2 | 53839±550 | d |
| e2 | 0.5886±0.016 | 1 |
| i2 | 104.710±0.4 | ° |
| Ω2 | 122.416±0.5 | ° |
| ϖ2 | 258.944±2.0 | ° |
| λ2 | 134.307±1.0 | ° |
| γ1 | 19.1±0.5 | km s−1 |
| df | 382±8 | pc |
Notes. T0 denotes the time of periastron passage; (m1 + m2), the mass of Aa1+Aa2 (the primary in this model); m3, the mass of the Ab component (the secondary in this model); P2, the orbital period of Aa and Ab; e2, the eccentricity; i2, the inclination; Ω2, the longitude of the ascending node; ϖ2, the longitude of periastron; λ2, the true longitude; γ1, the systemic velocity attributed to Aa1+Aa2; and d, distance. f indicates the respective parameter was fixed.
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