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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 |
|
|
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| A | 15.635 | 0.037 | 14.153 | 0.023 | 13.303 | 0.055 | 12.486 | 0.013 |
| B | 16.120 | 0.053 | 14.303 | 0.026 | 13.242 | 0.063 | 12.144 | 0.013 |
| C | 16.271 | 0.028 | 15.324 | 0.023 | 14.766 | 0.041 | 14.156 | 0.017 |
| D | 16.708 | 0.044 | 15.774 | 0.024 | 15.193 | 0.039 | 14.529 | 0.020 |
| E | 17.254 | 0.049 | 16.206 | 0.028 | 15.590 | 0.046 | 14.982 | 0.018 |
| F | 17.148 | 0.073 | 16.250 | 0.021 | 15.727 | 0.036 | 15.161 | 0.029 |
| G | 17.382 | 0.063 | 16.267 | 0.026 | 15.620 | 0.046 | 14.920 | 0.024 |
| H | 17.298 | 0.061 | 16.282 | 0.022 | 15.682 | 0.045 | 14.930 | 0.020 |
| I | 18.055 | 0.153 | 16.584 | 0.044 | 15.672 | 0.060 | 14.748 | 0.014 |
| J | 17.706 | 0.051 | 16.779 | 0.034 | 16.190 | 0.049 | 15.599 | 0.048 |
| K | 18.642 | 0.099 | 17.004 | 0.029 | 15.990 | 0.064 | 14.839 | 0.030 |
| L | 17.948 | 0.110 | 17.016 | 0.042 | 16.531 | 0.030 | 15.816 | 0.037 |
| M | 18.276 | 0.156 | 17.154 | 0.054 | 16.469 | 0.046 | 15.714 | 0.034 |
| N | 18.418 | 0.131 | 17.301 | 0.029 | 16.656 | 0.047 | 15.944 | 0.049 |
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