RTModel
Real-Time Microlensing Modeling by Valerio Bozza

 
GD200biy
PSPL with parallax
 
Point-source Point-lens model with parallax
Model PX     χ2=4484.67    

u0=-0.309082±0.120192    tE=45.6815±9.30388    t0=8944.42±0.548393    πE,N=-0.490254±0.911201    πE,E=-0.145966±0.174015    
Binary lens models with parallax
Model X1     χ2=4553.43    

s=0.062516±1.59386    q=0.0000105781±0.00388814    u0=0.346934±0.140338    α=4.10992±99.6694    ρ*=0.082059±0.51215    tE=44.5408±19.7777    t0=8944.22±0.546976    
πE,N=-0.0456017±6.32484    πE,E=-0.0751311±0.930926    
Model X2     χ2=4655.94    

s=2.57953±0.0365088    q=0.151578±0.0134063    u0=-1.94172±0.0361033    α=4.69764±0.00187211    ρ*=0.0488368±0.00315301    tE=237.167±13.8224    t0=8937.75±0.389361    
πE,N=-0.0175558±0.0453242    πE,E=-0.0188715±0.0263522    
Model X3     χ2=4661.6    

s=2.55214±0.0443432    q=0.160032±0.0132909    u0=-1.90194±0.0386089    α=4.70126±0.001645    ρ*=0.0506911±0.00348604    tE=229.117±15.3679    t0=8939.69±0.297783    
πE,N=-0.0126892±0.0527152    πE,E=-0.0186431±0.0274168