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Table 5
Best-fit parameters of the delays assuming the presence of the third body in eccentric orbit and taking a quadratic term c = 5 × 10-7 s/d2 into account.
| Parameters | Pmod = 17 100 d | Pmod = 18 600 d | Pmod = 20 100 d |
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| a (s) | 180 ± 332 | 21 ± 307 | − 27 ± 285 |
| b (× 10-3 s/d) | 2 ± 20 | 2 ± 19 | 4 ± 21 |
| A (s) | 506 ± 46 | 534 ± 43 | 562 ± 43 |
| e | 0.26 ± 0.20 | 0.28 ± 0.15 | 0.32 ± 0.13 |
| ϖ (deg) | 198 ± 27 | 213 ± 28 | 219 ± 27 |
| tφ (d) | − 3594 ± 1129 | − 3036 ± 1131 | − 2825 ± 1042 |
| χ2(d.o.f.) | 51.3(21) | 47.9(21) | 45.5(21) |
| F-test prob. | 3.5 × 10-2 | 1.5 × 10-2 | 0.8 × 10-2 |
Notes. The reported errors are at 68% confidence level. The F-test probability is estimated with respect to the χ2 value of the LS ephemeris (the fourth column of Table 4).
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