#x (kpc)   v (km/s)  v_err (km/s)
 -5.73   64.69   12.09
 -3.98   65.88   26.33
 -2.75   47.50   17.71
 -2.14   35.99   17.18
 -0.91   39.07   10.48
 -0.29   15.18   10.46
  4.62  -82.38   19.70
  7.69 -112.60   12.37
  8.31 -150.85   16.18
  8.92 -117.61   18.69
  9.54 -144.24   10.46
 10.15 -151.74   10.46
 10.77 -129.14   10.46
 11.38 -149.07   12.99
 12.00 -159.09   20.07
 12.61 -149.99   14.96
 13.53 -142.47   10.46