#x (kpc)   v (km/s)  v_err (km/s)
 -4.53   39.07   10.66
 -2.72   23.96    9.41
 -1.97   36.70    9.41
 -1.22   33.57    9.41
 -0.48   24.98    9.41
  0.27    0.73    9.41
  1.01   -3.68    9.41
  1.76  -18.10    9.41
  2.51  -33.38    9.41
  3.25  -33.50    9.41
  4.00  -53.67    9.41
  4.74  -44.28    9.41
  5.82  -29.58   11.15