Table 2: Magnitude difference for program stars.
Object $\Delta V$ $\Delta V$ $\Delta V$ Ref. $\Delta V$
  Hipparcos Tycho Other Other Adopted
HD 8009 0.935 $\pm$ 0.021 0.763 $\pm$ 0.046     0.905 $\pm$ 0.065
HD 8071 0.281 $\pm$ 0.006 0.233 $\pm$ 0.010     0.268 $\pm$ 0.021
HD 9911 0.026 $\pm$ 0.013 -0.023 $\pm$ 0.033     0.019 $\pm$ 0.017
HD 13357 0.465 $\pm$ 0.013 0.477 $\pm$ 0.034 0.47 $\pm$ 0.01 1 0.469 $\pm$ 0.010
HD 17159 0.148 $\pm$ 0.011 0.166 $\pm$ 0.028     0.150 $\pm$ 0.010
HD 19440 0.710 $\pm$ 0.008 0.631 $\pm$ 0.021 $0.68\pm0.01$ 1 0.692 $\pm$ 0.016
HD 30101 0.134 $\pm$ 0.013 -0.153 $\pm$ 0.032 0.146 $\pm$ 0.005 2 0.134 $\pm$ 0.025
      0.13 $\pm$ 0.01 1  
HD 33334 0.839 $\pm$ 0.010 0.700 $\pm$ 0.048 0.82 $\pm$ 0.01 1 0.827 $\pm$ 0.015
HD 66491 0.057 $\pm$ 0.013 0.077 $\pm$ 0.047     0.058 $\pm$ 0.016
BD+23 1978 0.139 $\pm$ 0.016 0.092 $\pm$ 0.041     0.132 $\pm$ 0.019
HD 106515 0.273 $\pm$ 0.009 0.263 $\pm$ 0.024     0.272 $\pm$ 0.011
HD 108574/5 0.554 $\pm$ 0.012 0.572 $\pm$ 0.015 0.57 3 0.563 $\pm$ 0.011
HD 123963 0.773 $\pm$ 0.013 0.664 $\pm$ 0.034     0.759 $\pm$ 0.036
HD 132563 0.511 $\pm$ 0.013 0.451 $\pm$ 0.039     0.505 $\pm$ 0.018
HD 132844 0.095 $\pm$ 0.009 0.027 $\pm$ 0.044     0.092 $\pm$ 0.013
HD 135101 0.894 $\pm$ 0.020 0.833 $\pm$ 0.012 0.85 3 0.849 $\pm$ 0.017
HD 190042 0.021 $\pm$ 0.008 0.037 $\pm$ 0.031     0.022 $\pm$ 0.010
HD 200466 0.133 $\pm$ 0.008 0.101 $\pm$ 0.021 $0.15\pm0.01$ 1 0.139 $\pm$ 0.009
      0.17 4  
HIP 104687 0.048 $\pm$ 0.008 -0.052 $\pm$ 0.053 0.00 5 0.045 $\pm$ 0.010
      0.06 5  
HD 213013 0.631 $\pm$ 0.016 0.627 $\pm$ 0.047 0.62 5 0.628 $\pm$ 0.017
      0.62 5  
HD 215812 0.307 $\pm$ 0.008 0.243 $\pm$ 0.019     0.297 $\pm$ 0.022
HD 216122 0.123 $\pm$ 0.011 0.123 $\pm$ 0.024 $0.11\pm0.01$ 1 0.117 $\pm$ 0.009
HD 219542 0.369 $\pm$ 0.010 0.412 $\pm$ 0.034 0.391 $\pm$ 0.007 2 0.387 $\pm$ 0.006
References: 1: Nakos et al. (1995); 2: Cuypers & Seggewiss (1999);
3: Simbad; 4: Carney et al. (1994); 5: Docobo et al. (2000).


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