# R(arcsec), vrot(km/s), vrot error
      3.92523      112.308      7.51651
      6.99092      170.156      4.64825
      9.38243      182.154      4.21043
      11.7903      191.007      4.60787
      14.3143      183.754      3.46117
      16.5948      179.681      2.95830
