#x (kpc)   v (km/s)  v_err (km/s)
 -9.98   75.77    9.86
 -7.79   64.14   10.91
 -5.51   81.57    9.86
 -3.55   49.85   16.00
 -2.89   74.93   12.16
 -1.88   83.26   10.00
  1.96  -12.44   10.51
  4.00  -89.62   17.46
  6.26 -100.62    9.86
  8.24 -115.86   11.86
  9.78 -103.92   11.01