Table 11.
Formal ‘orbital’ solutions for the mutual orbit of components Aa and Ac.
| Element | Sol. 1 | Sol. 2 | Sol. 3 | Sol. 4 | Sol. 5 |
|---|---|---|---|---|---|
| P (d) | 14234(419) | 14624(149) | 14403(178) | 15011(1926) | 12008(245) |
| Tperiast. (RJD) | 52002(1288) | 49564(430) | 50072(547) | 51501(4788) | 55774(1173) |
| ω (°) | 312(28) | 251.6(9.9) | 265(12) | 195(115) | 332(45) |
| Eccentricity | 0.189(98) | 0.188(35) | 0.204(40) | 0.19 (fixed) | 0.28(12) |
| Semi-amplitude (km s−1/d) | 0.139(12) | 0.1684(48) | 0.1586(70) | 16(11) | 25.9(3.2) |
| Mean value (km s−1/d) | 0.023(87) | 0.015(5) | 0.022(5) | −12.3(3.2) | −15.2(3.8) |
| No. of obs. | 32 | 64 | 96 | 14 | 11 |
| rms (km s−1) | 0.036 | 0.021 | 0.028 | 5.30 | 4.36 |
Notes. Solution 1 is for the ETRs based on the primary minima derived from locally fitted complete light curves, solution 2 on ETRs derived from the individual primary and secondary minima, solution 3 is a combined solution for the instants of minima derived by both methods, solution 4 is based on the locally derived systemic (γ) velocities of component Aa1, and solution 5 on the locally derived γ velocities of component Ac1. Eccentricity e had to be fixed for solution 4 as it turned out to be unconstrained in a free solution.
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