Table 3.
Orbital elements for the eclipsing binary after iterative optimization on orbital elements and flux ratios.
| Elements | Ideal | Initial | Run 1 | Run 3 |
|---|---|---|---|---|
| P (days) | 20.54 | 20.54 | 20.54 | 20.54 |
| e | 0.037 | 0.350 | 0.538 | 0.538 |
| KA km s−1 | 68.6 | 40.0 | 69.0 | 68.8 |
| KB km s−1 | 67.0 | 40.0 | 67.8 | 67.5 |
| γ km s−1 | −5.6 | −5.6 | −5.6 | −5.6 |
| T0 (days) 2436+ | 997 | 997 | 997 | 997 |
| ω (deg) | 106.16 | 80.0 | 106.35 | 106.14 |
Notes. Runs 2 and 4 belong to flux ratio optimization (orbital elements from previous optimization were used). Ideal values used to create the data are listed in Col. 1 and initial values for the optimization in Col. 2. The period P, systemic velocity γ, and time of periastron passage T0 were fixed.
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