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Table 4

Lensing parameters.

Parameter KMT-2017-BLG-2509 OGLE-2017-BLG-1099 OGLE-2019-BLG-0299
t0 (HJD′) 7872.205 ± 0.158 7917.336 ± 0.004 8560.239 ± 0.025
u0 0.066 ± 0.007 0.004 ± 0.001 0.056 ± 0.002
tE (days) 67.39 ± 5.37 18.87 ± 1.57 29.82 ± 1.05
s 0.925 ± 0.007 1.137 ± 0.014 0.990 ± 0.002
q (10−3) 4.366 ± 0.534 6.420 ± 0.779 10.037 ± 0.637
α (rad) 2.531 ± 0.027 0.065 ± 0.014 1.277 ± 0.0186
ρ (10−3) 1.927 ± 0.301 1.539 ± 0.166 <3.5
fs 0.008 ± 0.001 0.012 ± 0.001 0.065 ± 0.002
fb 0.155 ± 0.001 0.137 ± 0.001 0.018 ± 0.002

Notes. HJD′ ≡HJD − 2 450 000.

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