# I_ogle3 - R_moa = a + b * (V_moa - R_moa)
# V_ogle3 - V_moa = c + d * (V_moa - R_moa)
     28.12758585       0.00584401   # a
     -0.19123838       0.00327650   # b
     28.53228871       0.00579004   # c
     -0.10288260       0.00323542   # d