Open Access
Table 11
Light curve parameters for OGLE-2018-BLG-1554.
| Parameter | Close plane | Wide plane | Close binary | Wide binary | 1L2S |
|---|---|---|---|---|---|
| χ2/d.o.f. | 6296.51/6309 | 6297.28/6309 | 6297.91/6309 | 6296.50/6309 | 6295.27/6309 |
| t0 − 8350 | 4.7965 ± 0.0038 | 4.7963 ± 0.0038 | 4.7836 ± 0.0036 | 4.8102 ± 0.0031 | 5.0200 ± 0.0204 |
| t0,2 − 8350 | 4.2855 ± 0.0645 | ||||
| u0 (10−2) | 7.07 ± 0.16 | 6.93 ± 0.15 | 6.74± 0.11 | 6.40 ± 0.12 | 6.22 ± 0.12 |
| u0,2 (10−2) | 7.09 ± 0.27 | ||||
| tE (days) | 12.18 ± 0.14 | 12.37 ± 0.16 | 12.36 ± 0.13 | 12.75 ± 0.20 | 12.36 ± 0.14 |
| s | 0.419 ± 0.046 | 2.491 ± 0.267 | 0.288 ± 0.025 | 3.995 ± 0.508 | |
| q (10−3) | 21.30 ± 8.63 | 26.35 ± 10.10 | 70.55 ± 22.33 | 83.18 ± 35.63 | |
| 〈log q〉 | −1.675 ± 0.162 | −1.584 ± 0.158 | −1.151 ± 0.127 | −1.073 ± 0.164 | |
| α (rad) | 1.764 ± 0.023 | 1.779 ± 0.024 | 5.881 ± 0.030 | 5.851 ± 0.020 | |
| ρ (10−3) | 38.09 ± 10.51 | 27.28 ± 13.91 | |||
| ρ2 (10−3) | |||||
| 0.50 ± 0.12 | |||||
| IS | 19.11 ± 0.02 | 19.10 ± 0.02 | 19.12 ± 0.02 | 19.12 ± 0.02 | 19.13 ± 0.02 |
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