# I_ogle3 - R_moa = a + b * (V_moa - R_moa)
# V_ogle3 - V_moa = c + d * (V_moa - R_moa)
     27.98906262       0.01587242   # a
     -0.19145868       0.01288211   # b
     28.63679779       0.01562609   # c
     -0.13582775       0.01270561   # d