2 Illuminant A, Per W & S, 1967 Edition, p. 32, Table 1.9. Relative Spectral Energy of CIE Standard Sources, A,B, C. 320 770 1.930E+00 2.003E+00 2.076E+00 2.149E+00 2.222E+00 2.295E+00 2.368E+00 2.441E+00 2.514E+00 2.587E+00 2.660E+00 2.753E+00 2.846E+00 2.939E+00 3.032E+00 3.125E+00 3.218E+00 3.311E+00 3.404E+00 3.497E+00 3.590E+00 3.705E+00 3.820E+00 3.935E+00 4.050E+00 4.165E+00 4.280E+00 4.395E+00 4.510E+00 4.625E+00 4.740E+00 4.881E+00 5.022E+00 5.163E+00 5.304E+00 5.445E+00 5.586E+00 5.727E+00 5.868E+00 6.009E+00 6.150E+00 6.317E+00 6.484E+00 6.651E+00 6.818E+00 6.985E+00 7.152E+00 7.319E+00 7.486E+00 7.653E+00 7.820E+00 8.010E+00 8.200E+00 8.390E+00 8.580E+00 8.770E+00 8.974E+00 9.178E+00 9.382E+00 9.586E+00 9.790E+00 1.001E+01 1.023E+01 1.046E+01 1.068E+01 1.090E+01 1.114E+01 1.138E+01 1.161E+01 1.185E+01 1.209E+01 1.234E+01 1.260E+01 1.285E+01 1.311E+01 1.336E+01 1.363E+01 1.390E+01 1.417E+01 1.444E+01 1.471E+01 1.500E+01 1.529E+01 1.557E+01 1.586E+01 1.615E+01 1.646E+01 1.676E+01 1.707E+01 1.737E+01 1.768E+01 1.800E+01 1.832E+01 1.865E+01 1.897E+01 1.929E+01 1.963E+01 1.997E+01 2.032E+01 2.066E+01 2.100E+01 2.136E+01 2.172E+01 2.207E+01 2.243E+01 2.279E+01 2.317E+01 2.354E+01 2.392E+01 2.429E+01 2.467E+01 2.506E+01 2.546E+01 2.585E+01 2.625E+01 2.664E+01 2.705E+01 2.746E+01 2.788E+01 2.829E+01 2.870E+01 2.913E+01 2.956E+01 2.999E+01 3.042E+01 3.085E+01 3.130E+01 3.175E+01 3.219E+01 3.264E+01 3.309E+01 3.355E+01 3.402E+01 3.448E+01 3.495E+01 3.541E+01 3.589E+01 3.637E+01 3.686E+01 3.734E+01 3.782E+01 3.832E+01 3.881E+01 3.931E+01 3.980E+01 4.030E+01 4.081E+01 4.133E+01 4.184E+01 4.236E+01 4.287E+01 4.340E+01 4.393E+01 4.446E+01 4.499E+01 4.552E+01 4.607E+01 4.661E+01 4.716E+01 4.770E+01 4.825E+01 4.881E+01 4.937E+01 4.992E+01 5.048E+01 5.104E+01 5.161E+01 5.219E+01 5.276E+01 5.334E+01 5.391E+01 5.450E+01 5.509E+01 5.567E+01 5.626E+01 5.685E+01 5.745E+01 5.805E+01 5.866E+01 5.926E+01 5.986E+01 6.047E+01 6.109E+01 6.170E+01 6.232E+01 6.293E+01 6.356E+01 6.418E+01 6.481E+01 6.543E+01 6.606E+01 6.670E+01 6.734E+01 6.797E+01 6.861E+01 6.925E+01 6.990E+01 7.055E+01 7.120E+01 7.185E+01 7.250E+01 7.316E+01 7.382E+01 7.447E+01 7.513E+01 7.579E+01 7.646E+01 7.713E+01 7.779E+01 7.846E+01 7.913E+01 7.981E+01 8.049E+01 8.116E+01 8.184E+01 8.252E+01 8.321E+01 8.389E+01 8.458E+01 8.526E+01 8.595E+01 8.664E+01 8.733E+01 8.803E+01 8.872E+01 8.941E+01 9.011E+01 9.081E+01 9.151E+01 9.221E+01 9.291E+01 9.362E+01 9.432E+01 9.503E+01 9.573E+01 9.644E+01 9.715E+01 9.786E+01 9.858E+01 9.929E+01 1.000E+02 1.007E+02 1.014E+02 1.021E+02 1.029E+02 1.036E+02 1.043E+02 1.050E+02 1.057E+02 1.065E+02 1.072E+02 1.079E+02 1.086E+02 1.094E+02 1.101E+02 1.108E+02 1.115E+02 1.123E+02 1.130E+02 1.137E+02 1.144E+02 1.152E+02 1.159E+02 1.166E+02 1.174E+02 1.181E+02 1.188E+02 1.195E+02 1.203E+02 1.210E+02 1.217E+02 1.225E+02 1.232E+02 1.239E+02 1.247E+02 1.254E+02 1.261E+02 1.268E+02 1.276E+02 1.283E+02 1.290E+02 1.298E+02 1.305E+02 1.312E+02 1.320E+02 1.327E+02 1.334E+02 1.342E+02 1.349E+02 1.356E+02 1.363E+02 1.371E+02 1.378E+02 1.385E+02 1.393E+02 1.400E+02 1.407E+02 1.414E+02 1.422E+02 1.429E+02 1.436E+02 1.443E+02 1.451E+02 1.458E+02 1.465E+02 1.472E+02 1.479E+02 1.487E+02 1.494E+02 1.501E+02 1.508E+02 1.515E+02 1.523E+02 1.530E+02 1.537E+02 1.544E+02 1.551E+02 1.558E+02 1.566E+02 1.573E+02 1.580E+02 1.587E+02 1.594E+02 1.601E+02 1.608E+02 1.615E+02 1.622E+02 1.629E+02 1.636E+02 1.643E+02 1.650E+02 1.657E+02 1.664E+02 1.671E+02 1.678E+02 1.685E+02 1.692E+02 1.699E+02 1.706E+02 1.713E+02 1.720E+02 1.726E+02 1.733E+02 1.740E+02 1.747E+02 1.754E+02 1.761E+02 1.767E+02 1.774E+02 1.781E+02 1.788E+02 1.794E+02 1.801E+02 1.808E+02 1.814E+02 1.821E+02 1.828E+02 1.834E+02 1.841E+02 1.848E+02 1.854E+02 1.861E+02 1.867E+02 1.874E+02 1.880E+02 1.887E+02 1.893E+02 1.900E+02 1.906E+02 1.913E+02 1.919E+02 1.926E+02 1.932E+02 1.938E+02 1.945E+02 1.951E+02 1.957E+02 1.964E+02 1.970E+02 1.976E+02 1.983E+02 1.989E+02 1.995E+02 2.001E+02 2.007E+02 2.014E+02 2.020E+02 2.026E+02 2.032E+02 2.038E+02 2.044E+02 2.050E+02 2.056E+02 2.062E+02 2.068E+02 2.074E+02 2.080E+02 2.086E+02 2.092E+02 2.098E+02 2.104E+02 2.109E+02 2.115E+02 2.121E+02 2.127E+02 2.133E+02 2.138E+02 2.144E+02 2.150E+02 2.155E+02 2.161E+02 2.167E+02 2.172E+02 2.178E+02 2.184E+02 2.189E+02 2.195E+02 2.200E+02 2.206E+02 2.211E+02 2.217E+02 2.222E+02 2.227E+02 2.233E+02 2.238E+02 2.244E+02 2.249E+02 2.254E+02 2.259E+02 2.265E+02 2.270E+02 2.275E+02 2.280E+02 2.285E+02 2.291E+02 2.296E+02 2.301E+02 2.306E+02 2.311E+02 2.316E+02 2.321E+02 2.326E+02 2.331E+02 2.336E+02 2.341E+02 2.346E+02 2.351E+02 2.356E+02 2.360E+02 2.365E+02 2.370E+02