Open Access
Table 1
2L1S lensing parameters of KMT-2021-BLG-2609.
| Parameter | Small q | Large q | |||
|---|---|---|---|---|---|
| Intermediate | Inner | Outer | Inner | Outer | |
| χ2 | 1703.4 | 1704.2 | 1703.8 | 1705.0 | 1704.5 |
| t0 (HJD′) | 9498.037 ± 0.218 | 9498.004 ± 0.212 | 9497.873 ± 0.210 | 9497.881 ± 0.215 | 9498.099 ± 0.206 |
| u0 | 0.813 ± 0.093 | 0.757 ± 0.139 | 0.750 ± 0.128 | 0.637 ± 0.116 | 0.711 ± 0.077 |
| tE (days) | 15.61 ± 1.20 | 16.18 ± 1.41 | 16.32± 1.51 | 17.95 ± 1.57 | 16.82± 1.13 |
| s | 1.519 ± 0.067 | 1.498 ± 0.105 | 1.467 ± 0.090 | 1.424 ± 0.085 | 1.422 ± 0.050 |
| q (10−3) | 0.152 ± 0.038 | 0.221 ± 0.045 | 0.191 ± 0.049 | 0.529 ± 0.264 | 0.579 ± 0.190 |
| α (rad) | 5.065 ± 0.020 | 5.070 ± 0.021 | 5.067 ± 0.021 | 5.083 ± 0.023 | 5.092 ± 0.019 |
| ρ (10−3) | 33.90 ± 3.99 | 34.79 ± 5.67 | 34.18 ± 4.93 | 29.78 ± 4.88 | 34.01 ± 4.39 |
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