# type  t   guess  shift  shift_err
   0       0.0    0.00000000    0.00000000    0.00000000
   1    -649.5   -0.00081278   -0.00081278    0.00000000
   1     715.5   -0.00081278   -0.00081278    0.00000000
   1    2397.5   -0.00081278   -0.00081278    0.00000000
   1    3454.0   -0.00081278   -0.00081278    0.00000000
   1    4357.5   -0.00081278   -0.00081278    0.00000000