Allen Astrophy. Quantities Table 15.7
Sp  V       B-V   U-B  V-R   R-I  Teff   
Main Sequence, V
05 -5.7   -0.33 -1.19 -0.15 -0.32 42000 
09 -4.5   -0.31 -1.12 -0.15 -0.32 34000 
10 -4.0   -0.30 -1.08 -0.13 -0.29 30000 
12 -2.45  -0.24 -0.84 -0.10 -0.22 20900
15 -1.2   -0.17 -0.58 -0.06 -0.16 15200
18 -0.25  -0.11 -0.34 -0.02 -0.10 11400
20 +0.65  -0.02 -0.02  0.02 -0.02  9790
22 +1.3   +0.05 +0.05  0.08  0.01  9000
25 +1.95  +0.15 +0.10  0.16  0.06  8180
30 +2.7   +0.30 +0.03  0.30  0.17  7300
32 +3.6   +0.35  0.00  0.35  0.20  7000
35 +3.5   +0.44 -0.02  0.40  0.24  6650
38 +4.0   +0.52 +0.02  0.47  0.29  6250
40 +4.4   +0.58 +0.06  0.50  0.31  5940
42 +4.7   +0.63 +0.12  0.53  0.33  5790
45 +5.1   +0.68 +0.20  0.54  0.35  5560
48 +5.5   +0.74 +0.30  0.58  0.38  5310
50 +5.9   +0.81 +0.45  0.64  0.42  5150
52 +6.4   +0.91 +0.64  0.74  0.48  4830
55 +7.35  +1.15 +1.08  0.99  0.63  4410
60 +8.8   +1.40 +1.22  1.28  0.91  3840
62 +9.9   +1.49 +1.18  1.50  1.19  3520
65 +12.3  +1.64 +1.24  1.80  1.67  3170
Giants, III
45 +0.9   +0.86 +0.56  0.69  0.48  5050
48 +0.8   +0.94 +0.70  0.70  0.48  4800
50 +0.7   +1.00 +0.84  0.77  0.53  4660
52 +0.5   +1.16 +1.16  0.84  0.58  4390
55 -0.2   +1.50 +1.81  1.20  0.90  4050
60 -0.4   +1.56 +1.87  1.23  0.94  3690
62 -0.6   +1.60 +1.89  1.34  1.10  3540
65 -0.3   +1.63 +1.58  2.18  1.96  3380
Supergiants, I
09
12
15
18
20
22
25
30
32
35
38
40
42
45
48
50
52
55
60
62
65