# # Comparing the Main Sequence colors referred from Johnson 1966 with those from Bessell 1990 # # Sp. U-B B-V V-RJ V-IJ U-B B-V V-Rc V-Ic # (J66) (J66) (J66) (J66) (B90) (B90) (B90) (B90) # O -1.12 -0.31 -0.15 -0.47 -1.160 -0.326 -0.158 -0.330 B0 -1.08 -0.30 -0.13 -0.42 | | | | B2 -0.86 -0.24 -0.10 -0.32 | | | | B3 -0.71 -0.20 -0.08 -0.27 -0.765 -0.193 -0.073 -0.163 B5 -0.56 -0.16 -0.06 -0.22 -0.576 -0.139 -0.032 -0.098 B8 -0.30 -0.09 -0.02 -0.12 -0.280 -0.068 -0.024 -0.068 A0 0.00 0.00 0.02 0.00 0.036 0.012 0.001 -0.001 A5 0.11 0.14 0.16 0.22 0.111 0.128 0.063 0.140 F0 0.06 0.31 0.30 0.47 0.036 0.311 0.197 0.417 F5 0.00 0.43 0.40 0.64 -0.031 0.411 0.27 0.536 G0 0.11 0.59 0.50 0.81 0.078 0.575 0.352 0.715 G5 0.20 0.66 0.54 0.89 0.190 0.654 0.388 0.746 K0 0.47 0.82 0.64 1.06 0.422 0.823 0.461 0.853 K5 1.03 1.15 0.99 1.62 1.048 1.182 0.733 1.359 M0 1.26 1.41 1.28 2.19 1.260 1.444 0.886 1.735 M2 1.17 1.52 1.50 2.69 1.169 1.479 0.99 2.070 M4 1.14 1.56 1.70 3.19 1.191 1.513 1.092 2.452 M5 1.19 1.61 1.80 3.47 1.263 1.703 1.191 2.762 M6 1.27 1.72 1.93 3.76 | | | | M7 1.40 1.84 2.20 4.20 | | | | M8 1.50 2.00 2.50 4.70 | | | | # # End of File #