Open Access
Table 3
Model parameters of KMT-2019-BLG-0297.
| Parameter | Standard | Higher order | |
|---|---|---|---|
| Close | Wide | (close) | |
| χ2/d.o.f. | 4876.2/4876 | 5062.2/4876 | 4791.9/4872 |
| t0 (HJD′) | 8587.370 ± 0.006 | 8587.593 ± 0.006 | 8587.413 ± 0.008 |
| u0 | 0.0031 ± 0.0003 | 0.0071 ± 0.0002 | 0.0042 ± 0.0003 |
| tE (days) | 31.62 ± 0.31 | 41.36 ± 0.79 | 35.33 ± 0.77 |
| s | 0.563 ± 0.002 | 2.718 ± 0.021 | 0.528 ± 0.004 |
| q | 0.081 ± 0.002 | 0.188 ± 0.007 | 0.086 ± 0.003 |
| α (rad) | 2.553 ± 0.005 | 2.606 ± 0.004 | 2.568 ± 0.005 |
| ρ(10−3) | 1.195 ± 0.024 | 0.837 ± 0.021 | 1.046 ± 0.029 |
| πE,N | – | – | 0.50 ± 0.72 |
| πE,E | – | – | −0.29 ± 0.07 |
| ds/dt (yr−1) | – | – | −0.87 ± 0.14 |
| da/dt (yr−1) | – | – | −0.61 ± 1.4 |
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