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Table 2
Best-fit lensing parameters of 2L1S solution.
| Parameter | Standard | Higher-order |
|---|---|---|
| χ2 | 3049.1 | 632.3 |
| t0 (HJD′) | 9328.618 ± 0.001 | 9328.546 ± 0.009 |
| u0 | −0.069 ± 0.001 | −0.086 ± 0.002 |
| tE (days) | 21.19 ± 0.26 | 25.27 ± 0.61 |
| s | 1.135 ± 0.002 | 1.148 ± 0.005 |
| q | 0.143 ± 0.002 | 0.115 ± 0.003 |
| α (rad) | 4.787 ± 0.001 | 4.782 ± 0.008 |
| ρ (10−3) | 3.306 ± 0.060 | 2.683 ± 0.073 |
| πE,N | – | −2.31 ± 2.05 |
| πE,E | – | −0.28 ± 0.18 |
| ds∕dt (yr−1) | – | 0.93 ± 0.04 |
| dα∕dt (yr−1) | – | 3.57 ± 2.12 |
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