Fitted parameters:
t_0 : 2456836.16049 0.06449 0.06147
u_0 : 0.91317 0.08863 0.06308
t_E : 23.00179 1.08252 1.36160
pi_E_N : -0.24558 0.02746 0.03641
pi_E_E : 0.25284 0.01993 0.01458

Smallest chi2 model:
2456836.1677156785 0.895675183048813 23.285476727841555 -0.2372979702893409 0.24911302577456898
4227.374316561218
