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Table 1.
Eclipse arrival times (top part) and best-fit values for the parameters derived with the different models described in the text (quadratic, cubic, and LQS) (bottom part).
| Eclipse time | Cycles | Delays (s) | Satellite |
|---|---|---|---|
| 54317.0587(10) | 17078 | 364(87) | Swift |
| 58234.1536(5) | 33954 | 1554(43) | NuSTAR |
| Parameter | Quadratic | Cubic | LQS |
| a(s) | 12 ± 12 | −3 ± 12 | 13 ± 11 |
| b(10−4 s) | −11 ± 5 | 19 ± 12 | −5 ± 6 |
| c(10−6 s) | 1.42 ± 0.04 | 1.51 ± 0.05 | 1.41 ± 0.04 |
| d(10−12 s) | – | −6 ± 2 | – |
| A(s) | – | – | 34 ± 11 |
| NMod (10−3) | – | – | 5.4 ± 0.1 |
| N0 (10−3) | – | – | −3.1 ± 0.3 |
| PMod (years) | – | – | 3.43 ± 0.07 |
| T0 (TJD) | 50353.08741(14) | 50353.08725(14) | 50353.08744(13) |
| P0 (days) | 0.232109559(6) | 0.232109593(14) | 0.232109565(7) |
| Ṗ (10−10 s s−1) | 1.42(3) | 1.51(5) | 1.41(4) |
 (10−19 s s−2) |
– | −0.94(35) | – |
| χ2(d.o.f.) | 47.43(31) | 38.21(30) | 34.30(28) |
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