# type  t   guess  shift  shift_err
   0       0.0    0.00000000    0.00000000    0.00000000
   1   -4433.0   -0.00081278   -8.61003821    0.80138395
   1    1158.5   -0.00081278    2.24585030    0.20884507
   1    2814.5   -0.00081278    5.45498540    0.50692355
   1    4477.0   -0.00081278    8.67396936    0.80563778
   1    6141.0   -0.00081278   11.89310367    1.10408627