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Table 1

Photometric data for the BVRI comparison sequence.

Star B σ B V σ V Rc σ R Ic σ I

A 16.304 0.009 14.974 0.011 14.090 0.022 13.301 0.020
B 16.469 0.008 15.417 0.008 14.779 0.016 14.238 0.010
C 17.270 0.018 15.823 0.014 14.882 0.021 14.001 0.021
D 17.024 0.025 15.867 0.016 15.124 0.021 14.542 0.021
E 17.259 0.016 16.042 0.010 15.239 0.022 14.633 0.022
F 18.636 0.070 17.246 0.016 16.322 0.030 15.581 0.032
G 18.949 0.057 17.551 0.031 16.588 0.025 15.749 0.032
H 19.180 0.092 17.789 0.036 16.820 0.024 16.016 0.039
I 19.401 0.145 17.978 0.037 16.984 0.043 16.093 0.072
J 19.496 0.093 18.018 0.048 17.044 0.029 15.978 0.075
K 20.055 0.287 18.287 0.082 17.011 0.060 15.434 0.062
L 19.884 0.239 18.375 0.057 17.291 0.030 16.351 0.079
M 20.143 0.167 18.528 0.087 17.530 0.039 16.535 0.070
N 20.315 0.231 18.682 0.060 17.472 0.051 16.438 0.055
O 20.581 0.164 18.921 0.065 17.912 0.039 16.772 0.102

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