OGLE-2019-BLG-0857 Field BLG512.26 StarNo 35935 RA(J2000.0) 18:05:28.17 Dec(J2000.0) -28:05:37.3 Remarks Tmax 2458637.260 0.218 tau 6.175 0.241 umin 0.911 0.010 Amax 1.414 0.009 Dmag 0.376 0.001 fbl 1.000 0.000 I_bl 18.931 0.001 I0 18.931 0.001