# type  t   guess  shift  shift_err
   0       0.0    0.00000000    0.00000000    0.00000000
   1   -7516.0   -0.00081278   -4.17159869    4.53018562
   1   -5997.5   -0.00081278   -3.32857968    3.61455781
   1   -4308.5   -0.00081278   -2.39112599    2.59634103
   1   -2640.0   -0.00081278   -1.46527904    1.59070955
   1    -972.5   -0.00081278   -0.54021387    0.58590597