# I_ogle3 - R_moa = a + b * (V_moa - R_moa)
# V_ogle3 - V_moa = c + d * (V_moa - R_moa)
     28.15388227       0.00819672   # a
     -0.20677255       0.00692151   # b
     28.69815789       0.00795608   # c
     -0.16815868       0.00676820   # d