Table A.2.
Lynds (1959) versus standard Johnson magnitude differences for all suitable microvariables observed by Lynds. The mean UBV values of all considered stars were taken (with one exception) from the General Catalogue of Photometric Data (see Mermilliod et al. 1997). The yellow magnitude differences ‘variable minus comparison’ of Lynds are denoted by dy. The UBV magnitudes of the corresponding comparison are always listed below each program star.
| Star | HD | V | B−V | U−B | dy | dV | △(dV−dy) | △(B−V) | Notes |
|---|---|---|---|---|---|---|---|---|---|
| (mag.) | (mag.) | (mag.) | (mag.) | (mag.) | (mag.) | (mag.) | |||
| KP Per | 21803 | 6.405 | 0.028 | -0.713 | 1.100 | 1.093 | -0.007 | -0.373 | |
| HR 1182 | 21770 | 5.312 | 0.401 | -0.020 | |||||
| o Per | 23180 | 3.833 | 0.049 | -0.741 | -2.827 | -2.826 | -0.001 | -0.027 | |
| BD+31 649 | 23478 | 6.659 | 0.076 | -0.566 | |||||
| BD+52 714 | 23675 | 6.727 | 0.448 | -0.542 | 0.020 | -0.012 | -0.032 | 0.076 | 1 |
| BD+52 726 | 24431 | 6.739 | 0.372 | -0.610 | |||||
| BD+52 715 | 23800 | 6.922 | 0.329 | -0.534 | 0.212 | 0.183 | -0.029 | -0.043 | 2 |
| BD+52 726 | 24431 | 6.739 | 0.372 | -0.610 | |||||
| V600 Her | 149881 | 7.03 | -0.19 | -0.97 | 0.632 | 0.65 | 0.018 | -0.103 | |
| V773 Her | 149822 | 6.380 | -0.087 | -0.188 | |||||
| V986 Oph | 165174 | 6.139 | -0.011 | -0.928 | 1.707 | 1.704 | -0.003 | -0.042 | |
| NSV10009 | 164577 | 4.435 | 0.031 | 0.009 | |||||
| ES Vul | 180968 | 5.432 | 0.038 | -0.773 | -1.460 | -1.475 | -0.015 | -0.134 | 2,3 |
| BD+21 3719 | 180889 | 6.907 | 0.172 | 0.162 | |||||
| V819 Cyg | 188439 | 6.293 | -0.116 | -0.914 | 0.058 | 0.083 | 0.025 | -0.474 | 4 |
| HD 7577 | 188074 | 6.210 | 0.358 | 0.032 | |||||
| V373 Cas | 224151 | 6.003 | 0.207 | -0.713 | -1.152 | -1.197 | -0.045 | 0.067 | 2 |
| BD+56 3127 | 224624 | 7.212 | 0.14 | 0.08 | |||||
Notes. 1... When adopting the mean UBV values for this star, we omitted the deviating value V=6
88 denoted as uncertain in the original study by Fernie (1983); 2... Be star; 3...The UBV values for the program and the comparison star were adopted from numerous calibrated all-sky Hvar UBV observations; 4...In his Fig. 14, Lynds (1959) erroneously writes that the magnitude differences shown are in the sense HD 188439 minus HD 188252. However, HD 188252 was another of his program stars, and the true comparison for HD 188439 was HD 188074 (cf. his Table 3).
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