# IBVS 3288-t1.txt #IAU COMMISSION 27 UNPUBLISHED DATA FILE 163 #Comment: OCR-ED FROM PAPER SOURCE - MIGHT CONTAIN ERRORS! #Object: BO CVn = BD +41 2447 #Author: Tarmo Oja #IBVSdataKey: photometry IAU COMMISSION 27 UNPUBLISHED DATA FILE 163 7 pages, including cover file January, 1989 PHOTOELECTRIC MEASUREMENTS OF BD +41 2447 UBV observations of the EW eclipsing binary BD + 41 2447 are given. Further details can be found in a paper published by the Inf. Bull. Var. Stars during 1989. Tarmo Oja Kvistabergs observatorium S-19700 Bro Sweden Table 1. Observations of BD +41 2447 J.D = Helioc. Julian Date - 2 440 000 J.D. V B - V U - B Phase 4315.4313 9.857 0.300 0.050 0.647 4324.4544 9.978 0.298 0.013 0.084 4467.4065 9.479 0.289 -.014 0.342 .4176 9.508 0.285 -.025 0.363 4470.3657 9.968 0.315 0.043 0.060 4470.3796 9.981 0.331 -.010 0.087 .3934 10.005 0.335 -.006 0.114 .4080 9.885 0.279 -.003 0.142 .4176 9.825 0.300 -.013 0.161 .4267 9.759 0.306 -.027 0.178 4481.3361 9.610 0.289 0.009 0.261 .3451 9.597 0.282 0.004 0.278 .3528 9.559 0.296 -.020 0.293 .3605 9.534 0.303 -.065 0.308 .3687 9.531 0.290 -.051 0.324 4483.3258 9.982 0.292 -.004 0.106 .3348 9.938 0.325 -.026 0.123 .3438 9.918 0.310 -.053 0.141 .3549 9.825 0.304 0.039 0.162 .3625 9.780 0.300 -.006 0.177 4483.3701 9.727 0.317 0.018 0.191 .3764 9.705 0.307 -.026 0.204 .3840 9.680 0.308 0.012 0.218 .3916 9.655 0.314 -.019 0.233 4493.3109 9.590 0.285 -.044 0.402 4493.3185 9.599 0.283 -.016 0.417 .3247 9.609 0.280 -.041 0.429 4516.2470 9.650 0.298 -.023 0.727 .2560 9.609 0.295 0.023 0.744 .2643 9.591 0.285 -.053 0.760 4516.2747 9.577 0.274 0.047 0.780 .2830 9.537 0.301 0.000 0.796 .2864 9.546 0.294 -.020 0.803 .2941 9.522 0.314 -.001 0.818 .2975 9.536 0.286 0.824 4516.3044 9.534 0.295 0.838 4523.2357 9.638 0.317 -.002 0.232 .2426 9.627 0.298 0.003 0.246 .2460 9.616 0.302 -.044 0.252 .2530 9.575 0.293 0.015 0.266 4523.2564 9.551 0.308 -.012 0.272 .2627 9.567 0.297 -.088 0.285 4535.2137 9.576 0.277 -.020 0.380 .2220 9.540 0.334 0.017 0.396 .2255 9.563 0.313 -.077 0.403 J.D. V B - V U - B Phase 4535.2345 9.605 0.282 0.005 0.420 .2380 9.632 0.287 0.013 0.427 .2456 9.650 0.283 -.032 0.442 4544.1882 9.645 0.303 -.013 0.724 .1958 9.604 0.300 0.025 0.738 4544.1992 9.597 0.303 0.005 0.745 .2069 9.568 0.305 -.049 0.760 .2103 9.581 0.293 0.766 .2179 9.559 0.295 0.009 0.781 .2228 9.546 0.303 0.790 4544.2297 9.547 0.321 0.804 4545.1917 9.818 0.308 0.012 0.663 .2000 9.772 0.333 -.007 0.679 .2028 9.757 0.316 0.684 .2118 9.711 0.309 -.004 0.702 4545.2153 9.677 0.324 0.708 .2222 9.635 0.323 0.004 0.722 4551.1770 9.653 0.334 0.019 0.230 .1860 9.627 0.306 -.018 0.247 .1895 9.616 0.292 0.254 4551.1978 9.569 0.333 0.270 .2006 9.555 0.332 0.275 .2096 9.587 0.336 0.293 4552.6301 9.931 0.328 0.038 .6419 9.957 0.351 -.011 0.060 4552.6467 9.956 0.332 0.006 0.070 .6585 10.006 0.286 0.025 0.093 .6633 9.990 0.302 0.102 .6716 9.982 0.292 0.019 0.118 .6751 9.969 0.308 0.013 0.125 4552.6820 9.937 0.295 0.017 0.138 .6855 9.927 0.294 0.145 .6917 9.830 0.345 0.157 4607.5000 10.011 0.303 -.013 0.075 .5090 10.032 0.289 0.045 0.092 4607.5138 10.036 0.322 0.007 0.101 4614.5630 9.638 0.304 0.005 0.724 .5713 9.616 0.285 -.002 0.740 .5755 9.599 0.288 -.001 0.748 .6011 9.547 0.285 0.011 0.798 4614.6094 9.543 0.297 -.025 0.814 .6129 9.549 0.294 -.013 0.821 .6205 9.553 0.289 -.002 0.835 .6246 9.553 0.296 -.006 0.843 .6323 9.551 0.303 -.008 0.858 J.D. V B - V U - B Phase 4614.6371 9.564 0.300 -.003 0.867 .6454 9.585 0.293 -.008 0.883 .6551 9.609 0.307 0.000 0.902 .6634 9.637 0.288 -.019 0.918 .6669 9.652 0.292 -.011 0.925 4614.6745 9.655 0.317 -.010 0.940 .6773 9.663 0.317 -.008 0.945 .6849 9.698 0.320 0.022 0.960 .6891 9.716 0.313 0.001 0.968 .6967 9.758 0.315 0.007 0.983 4614.7001 9.761 0.325 0.004 0.989 .7078 9.829 0.307 -.022 0.004 .7105 9.829 0.313 0.011 0.009 .7188 9.861 0.346 0.007 0.025 .7223 9.883 0.355 0.009 0.032 4614.7313 9.978 0.300 0.033 0.049 .7348 9.955 0.320 0.056 4615.4343 9.612 0.323 -.043 0.408 .4433 9.655 0.278 -.038 0.425 4630.6608 9.541 0.288 -.002 0.833 4630.6705 9.545 0.292 -.004 0.852 .6739 9.546 0.300 -.011 0.859 .6822 9.542 0.299 0.008 0.875 4645.3759 9.591 0.316 -.013 0.271 .3856 9.571 0.310 -.024 0.289 4645.3891 9.562 0.313 -.011 0.296 .3981 9.572 0.284 -.001 0.314 .4120 9.540 0.299 0.008 0.340 .4230 9.545 0.312 -.002 0.362 .4327 9.569 0.293 0.017 0.380 4645.4404 9.573 0.297 -.003 0.395 .4597 9.619 0.301 -.017 0.433 .4681 9.676 0.284 0.020 0.449 .4854 9.750 0.302 -.017 0.482 .4937 9.808 0.290 0.003 0.498 4645.5075 9.914 0.302 -.022 0.525 .5145 9.970 0.302 -.007 0.538 .5297 10.036 0.297 0.010 0.568 .5380 10.043 0.311 -.037 0.584 .5539 10.004 0.315 -.007 0.615 4645.5616 9.967 0.312 0.018 0.629 .5754 9.871 0.292 0.002 0.656 .5830 9.812 0.301 0.025 0.671 .5955 9.741 0.310 0.023 0.695 4674.4151 9.586 0.299 0.014 0.389 J.D. V B - V U - B Phase 4674.4234 9.595 0.303 -.004 0.405 .4545 9.690 0.299 -.002 0.466 .4615 9.739 0.299 -.016 0.479 .4718 9.811 0.298 -.007 0.499 .4795 9.890 0.295 -.007 0.514 4674.4871 9.924 0.307 0.019 0.529 .4912 9.949 0.300 -.008 0.536 .4989 10.001 0.296 0.007 0.551 .5023 10.012 0.311 0.009 0.558 .5092 10.007 0.299 -.006 0.571 4695.3804 9.643 0.277 0.030 0.905 .3894 9.621 0.304 -.006 0.923 4702.3410 9.526 0.294 -.009 0.357 .3480 9.544 0.311 -.023 0.370 .3549 9.548 0.290 -.009 0.384 4702.3687 9.585 0.285 -.024 0.410 .3757 9.579 0.290 -.012 0.424 .4401 9.981 0.356 0.026 0.548 .4470 10.037 0.309 -.002 0.562 .4498 10.043 0.331 -.016 0.567 4702.4567 10.038 0.343 0.043 0.580 .4602 10.064 0.312 0.062 0.587 .4678 10.047 0.322 -.006 0.602 .4705 10.041 0.311 -.023 0.607 .4782 10.019 0.320 0.023 0.622 4702.4816 9.995 0.336 -.013 0.628 .4879 9.928 0.325 -.003 0.641 .4920 9.902 0.310 0.019 0.649 .4948 9.893 0.305 0.002 0.654 .5017 9.841 0.306 -.016 0.667 4702.5114 9.775 0.317 -.001 0.686 .5183 9.752 0.312 -.011 0.699 .5564 9.591 0.320 -.018 0.773 .5640 9.596 0.291 -.018 0.788 4717.3778 9.619 0.300 0.027 0.416 4717.3854 9.666 0.292 0.021 0.430 .3889 9.674 0.292 0.015 0.437 .3979 9.685 0.292 0.031 0.454 .4048 9.685 0.298 -.007 0.468 4720.3771 9.698 0.310 -.033 0.212 4720.3840 9.688 0.310 -.012 0.225 .4353 9.566 0.287 0.011 0.324 .4422 9.566 0.304 0.009 0.338 .5101 9.698 0.305 -.009 0.469 .5170 9.734 0.309 0.038 0.482 J.D. V B - V U - B Phase 4723.3854 9.914 0.295 0.016 0.025 .3937 9.959 0.309 0.004 0.041 .4450 9.898 0.306 0.009 0.141 .4519 9.873 0.315 -.013 0.154 4728.4006 9.665 0.312 -.006 0.717 4728.4103 9.619 0.316 -.007 0.736 .4186 9.643 0.306 0.022 0.752 4738.4559 9.937 0.301 -.063 0.150 5413.4257 9.967 0.287 -.007 0.541 .4340 9.999 0.303 0.004 0.557 5413.4375 10.007 0.294 -.004 0.563 .4458 10.015 0.288 -.001 0.580 .4756 9.927 0.281 0.017 0.637 .4832 9.859 0.290 0.006 0.652 .4874 9.837 0.280 0.006 0.660 5413.4950 9.785 0.279 0.014 0.675 .4984 9.752 0.292 0.001 0.681 .5068 9.715 0.285 0.002 0.697 .5095 9.698 0.293 0.019 0.703 .5185 9.657 0.289 -.002 0.720 5413.5220 9.641 0.287 0.011 0.727 .5829 9.540 0.297 -.011 0.844 .5906 9.558 0.280 -.004 0.859 .5940 9.561 0.288 0.004 0.866 .6023 9.567 0.297 0.013 0.882 6891.3794 9.684 0.286 0.014 0.712 .3825 9.659 0.305 -.009 0.718 .3906 9.634 0.288 -.010 0.733 .3940 9.622 0.294 0.002 0.740 .3978 9.611 0.299 -.022 0.747 6891.4048 9.580 0.292 -.008 0.761 .4081 9.587 0.293 -.013 0.767 .4122 9.565 0.284 -.012 0.775 .4195 9.564 0.287 -.011 0.789 .4224 9.545 0.300 -.004 0.795 6891.4265 9.546 0.286 -.015 0.803 .4332 9.536 0.291 0.006 0.816 .4361 9.536 0.301 -.028 0.821 .4399 9.549 0.269 0.000 0.829 .4470 9.538 0.296 0.015 0.842 6894.4043 9.972 0.323 0.005 0.558 .4078 10.000 0.310 -.019 0.564 .4096 10.021 0.292 0.044 0.568 .4179 10.008 0.306 0.027 0.584 .4217 9.996 0.313 -.020 0.591 J.D. V B - V U - B Phase 6894.4254 10.015 0.293 -.007 0.598 .4332 10.006 0.294 0.001 0.613 .4358 10.004 0.298 -.014 0.618 .4395 9.989 0.295 -.014 0.626 .4425 9.977 0.291 0.016 0.631 6894.4488 9.903 0.308 -.002 0.644 .4518 9.881 0.313 -.038 0.649 .4552 9.855 0.294 0.003 0.656 .4582 9.839 0.290 -.015 0.662 .4657 9.786 0.282 -.015 0.676 6894.4689 9.758 0.278 -.009 0.682 .4722 9.729 0.295 -.046 0.689 .4749 9.709 0.295 -.029 0.694 .4821 9.685 0.269 0.006 0.708 .4846 9.668 0.286 -.026 0.713 6895.3750 9.626 0.281 0.011 0.433 .3786 9.632 0.286 0.021 0.440 .3873 9.658 0.303 0.005 0.457 .3903 9.669 0.296 0.009 0.463 .3942 9.708 0.284 -.006 0.471 6895.3971 9.707 0.302 0.021 0.476 .4051 9.765 0.289 0.012 0.492 .4081 9.789 0.294 0.009 0.497 .4124 9.808 0.292 0.034 0.506 .4152 9.815 0.303 -.004 0.511 6895.4236 9.905 0.288 -.006 0.527 .4273 9.923 0.304 0.013 0.534 .4316 9.962 0.305 -.003 0.543 .4342 9.970 0.313 0.006 0.548 .4431 10.018 0.285 -.013 0.565 6895.4458 10.006 0.311 0.002 0.570 .4500 10.026 0.298 0.003 0.578 .4532 10.024 0.292 0.021 0.585 .4608 10.014 0.304 0.005 0.599 .4636 9.991 0.311 -.022 0.605 6895.4677 10.017 0.268 0.005 0.613 .4716 9.990 0.297 -.019 0.620 .4791 9.948 0.292 0.029 0.635 .4818 9.943 0.286 -.014 0.640 .4859 9.910 0.277 0.008 0.648 6895.4928 9.841 0.301 0.027 0.661 .4972 9.816 0.294 -.005 0.670