# I_ogle3 - R_moa = a + b * (V_moa - R_moa)
# V_ogle3 - V_moa = c + d * (V_moa - R_moa)
     28.20782209       0.00515484   # a
     -0.18461912       0.00264837   # b
     28.36485680       0.00498817   # c
     -0.09516561       0.00256512   # d