# type  t   guess  shift  shift_err
   0       0.0    0.00000000    0.00000000    0.00000000
   1   -4905.5   -0.00081278   -1.13623496    3.13799086
   1   -3839.5   -0.00081278   -0.88947059    2.45614451
   1   -2768.0   -0.00081278   -0.64144932    1.77074587
   1   -1698.0   -0.00081278   -0.39379152    1.08627236
   1    -631.5   -0.00081278   -0.14695999    0.40400362