UBV Photometry: Intrinsic B-V colours

Intrinsic B-V Colours from Schmidt-Kaler
Sp.T.VIIIIIIbIabIa
O5-0.33-0.32-0.32-0.32-0.31-0.31
O6-0.33-0.32-0.32-0.32-0.31-0.31
O7-0.32-0.32-0.32-0.31-0.31-0.31
O8-0.32-0.31-0.31-0.29-0.29-0.29
O9-0.31-0.31-0.31-0.28-0.27-0.27
B0-0.30-0.29-0.29-0.24-0.23-0.23
B1-0.26-0.26-0.26-0.20-0.19-0.19
B2-0.24-0.24-0.23-0.18-0.17-0.16
B3-0.20-0.20-0.20-0.14-0.13-0.12
B5-0.17-0.17-0.16-0.10-0.10-0.08
B6-0.15-0.15-0.14-0.08-0.08-0.06
B7-0.13-0.13-0.12-0.06-0.05-0.04
B8-0.11-0.11-0.10-0.04-0.03-0.02
B9-0.07-0.07-0.07-0.03-0.020.00
A0-0.02-0.03-0.03-0.01-0.010.02
A10.010.010.010.030.020.02
A20.050.050.030.040.030.03
A30.080.080.070.060.060.05
A50.150.150.110.090.090.09
A70.200.220.160.130.120.12
A80.250.250.180.140.140.14
F00.300.300.250.190.170.17
F20.350.350.300.230.230.22
F50.440.430.380.330.320.31
F80.520.540.580.560.560.56
G00.580.650.710.760.760.75
G20.630.770.810.860.870.87
G50.680.860.891.001.021.03
G80.740.940.991.141.141.17
K00.811.001.081.201.251.25
K10.861.071.141.241.321.32
K20.911.161.291.331.361.36
K30.961.271.401.461.461.46
K51.151.501.491.591.601.60
K71.331.531.571.611.631.63
M01.401.561.581.641.671.67
M11.461.581.591.681.691.69
M21.491.601.591.681.711.71
M31.511.611.601.691.691.69
M41.541.62
1.751.761.76
M51.641.63

1.80
M61.731.52



M71.801.50



M81.931.50