RTModel
Real-Time Microlensing Modelling by Valerio Bozza

 
OB190802
Binary (possible triple or orbital motion)
 
Binary lens models
Model L1     χ2=26317.7    gOGLE I=2.49816±0.640286

s=4.0552±0.0836382    q=0.552714±0.0760695    u0=1.5649±0.122409    α=0.663744±0.0275111    ρ*=0.00278668±0.0474102    tE=62.4889±2.63183    t0=8761.77±7.06405    
Model L2     χ2=26337.5    gOGLE I=2.42239±3.44773

s=0.425521±0.345808    q=0.435555±0.864828    u0=0.0942374±0.115432    α=3.94561±0.447285    ρ*=0.00834806±0.0396618    tE=37.5904±34.7532    t0=8640.29±1.67055    
Binary lens models with parallax
Model X1     χ2=26304.4    gOGLE I=2.31795±3.30304

s=0.430055±0.346533    q=0.442419±1.04755    u0=0.0961881±0.121924    α=3.94481±0.502872    ρ*=0.00773471±0.034067    tE=36.7403±35.8271    t0=8640.28±1.8198    
πE,N=-3.±21.1292    πE,E=-2.50339±18.2459    
Model X2     χ2=26317.6    gOGLE I=2.49987±0.79756

s=4.05519±0.0937599    q=0.552887±0.0619816    u0=1.56471±0.25002    α=0.663736±0.0412338    ρ*=0.003038±0.0670494    tE=62.49±15.2947    t0=8761.76±5.22447    
πE,N= -6 -1. 10±0.106572    πE,E= -15 -3.68737 10±0.308849    
Binary lens models with parallax and orbital motion
Model O1     χ2=26299.8    gOGLE I=2.45982±12.1593

s=0.41598±0.679392    q=0.47768±1.71642    u0=0.092432±0.397005    α=3.92521±0.698196    ρ*=0.00740698±0.047229    tE=36.8391±138.253    t0=8640.36±4.18085    
πE,N=2.35007±32.3374    πE,E=0.278383±11.8813    (ds/dt)/s=0.000539982±0.146499    dα/dt=0.006896±0.216698    w3=0.0103031±2.56057