# type  t   guess  shift  shift_err
   0       0.0    0.00000000    0.00000000    0.00000000
   1    1140.5   -0.00081278    0.02255398    0.45207748
   1    2527.5   -0.00081278    0.05097088    1.00178339
   1    4050.0   -0.00081278    0.08216367    1.60508989
   1    5717.5   -0.00081278    0.11632690    2.26573197
   1    7495.0   -0.00081278    0.15274343    2.96981401