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Table 5

Lensing parameters of OGLE-2017-BLG-1375.

Parameter Close Wide


Standard Orbit+Parallax Standard Orbit+Parallax


u0 > 0 u0 < 0 u0 > 0 u0 < 0
χ2 5637.0 5629.4 5629.3 5644.3 5636.9 5637.1
t0 (HJD′) 7969.909 ± 0.020 7969.866 ± 0.026 7969.858 ± 0.023 7969.919 ± 0.020 7969.645 ± 0.028 7969.630 ± 0.031
u0 0.035 ± 0.002 0.034 ± 0.001 − 0.035 ± 0.001 0.035 ± 0.002 0.028 ± 0.002 − 0.028 ± 0.002
tE (days) 101.36 ± 3.66 104.27 ± 3.45 101.06 ± 1.55 101.81 ± 3.82 103.03 ± 7.93 101.98 ± 5.37
s 0.837 ± 0.004 0.840 ± 0.004 0.839 ± 0.003 1.274 ± 0.005 1.269 ± 0.005 1.268 ± 0.005
q(10−3) 13.46 ± 0.49 12.76 ± 0.54 13.32 ± 0.38 15.30 ± 0.63 14.81 ± 1.15 14.88 ± 0.84
α (rad) 5.100 ± 0.005 5.102 ± 0.009 − 5.102 ± 0.007 5.071 ± 0.005 5.068 ± 0.006 − 5.069 ± 0.005
ρ (10−3) 0.34 ± 0.02 0.33 ± 0.02 0.34 ± 0.02 0.36 ± 0.02 0.36 ± 0.03 0.36 ± 0.03
πE,N 0.069 ± 0.114 0.072 ± 0.123 0.134 ± 0.112 0.004 ± 0.121
πE,E − 0.068 ± 0.025 − 0.052 ± 0.018 − 0.064 ± 0.024 − 0.042 ± 0.021
fs /Is 0.036/21.62

Notes. The notation “ ←” denotes that the value is the same as that in the left side column, and “–” indicates that the parameter is not measured or is poorly constrained.

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