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Table 1

Short-timescale microlensing events exhibiting finite source effects.

Parameter OGLE-2012-BLG-1323 OGLE-2017-BLG-0560 OGLE-2016-BLG-1540
Microlensing model

t0 (HJD′) 6161.107 ± 0.008 7859.523 ± 0.003 7606.726 ± 0.002
tE (days) 0.155 ± 0.005 0.905 ± 0.005 0.320 ± 0.003
u0 0.53 ± 0.04
       
ρ 5.03 ± 0.07 0.901 ± 0.005 1.65 ± 0.01
Is 15.43 ± 0.05 14.91 ± 0.05 14.76 ± 0.05
fs 1.00 (fixed) 1.00 (fixed) 1.00 (fixed)

Source star

IS,0 14.09 ± 0.06 12.47 ± 0.05 13.51 ± 0.09
1.73 ± 0.02 2.31 ± 0.02 1.67 ± 0.02
3.77 ± 0.03 4.73 ± 0.06 3.67 ± 0.03
Teff (K) 3800 ± 200 3600 ± 200 3900 ± 200
Γ (limb darkening, I band) 0.40 0.41 0.36
Λ (limb darkening, I band) 0.30 0.28 0.34
θ* (μas) 11.9 ± 0.5 34.9 ± 1.5 15.1 ± 0.8

Physical parameters

θE (μas) 2.37 ± 0.10 38.7 ± 1.6 9.2 ± 0.5
μrel,geo (mas yr−1) 5.6 ± 0.3 15.6 ± 0.7 10.5 ± 0.6

Notes. HJD′ = HJD–2450000. fs = Fs ∕(Fs + Fb) is the blending parameter. Parameters for OGLE-2016-BLG-1540 are shown for comparison and are taken from Mróz et al. (2018).

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