# I_ogle3 - R_moa = a + b * (V_moa - R_moa)
# V_ogle3 - V_moa = c + d * (V_moa - R_moa)
     28.21707095       0.00336373   # a
     -0.19245309       0.00199586   # b
     28.38579691       0.00328898   # c
     -0.10583488       0.00194817   # d