IAU COMMISSION 27 UNPUBLISHED DATA FILE 106 14 pages, including cover sheet HD 1833, 37847, 185510, 190540, 205249 Photoelectric data for these five new variables are presented. These stars are strongly suspected to be RS CVn binaries. Complete information can be obtained from IBVS, # 2213 - 2217. Douglas S. Hall A. J. Dyer Observatory Box 1803 Vanderbilt University NASHVILLE, TN 37235 *********************************************************************************** #Comment: RETYPED FROM MANUSCRIPT - MIGHT CONTAIN ERRORS! #Comment: The last column(s) of characters of the photocopy used #Comment: were often missing or unreadable. *********************************************************************************** Variable = HD 1833 Kitt Peak National Observatory page Comparison = HD 1680 Observer = Gregory W. Henry 1 of 5 JD (hel.) Delta V Delta B 2444506.7794 -0.648 .7824 -0.648 .7852 -0.649 509.8608 -0.618 .8631 -0.621 .8653 -0.619 510.8473 -0.614 -0.358 .8514 -0.611 -0.360 .8553 -0.604 -0.356 511.7690 -0.604 .7712 -0.600 .7734 -0.603 512.7533 -0.595 -0.333 .7573 -0.589 -0.326 .7615 -0.589 -0.336 513.7571 -0.581 -0.325 .7610 -0.579 -0.322 .7650 -0.585 -0.319 Variable = HD 1833 Kitt Peak National Observatory page Comparison = HD 1680 Observer = Gregory W. Henry 2 of 5 JD (hel.) Delta V 2444526.7771 -0.662 .7799 -0.660 .7827 -0.664 535.7009 -0.611 .7036 -0.613 .7063 -0.614 549.6829 -0.580 .6854 -0.578 .6879 -0.579 550.7233 -0.588 .7259 -0.580 .7284 -0.586 554.6309 -0.629 .6333 -0.631 .6357 -0.627 555.6968 -0.644 .6992 -0.641 .7016 -0.636 605.5039 -0.623 .5062 -0.626 .5085 -0.633 Variable = HD 1833 Lines Observatory page Comparison = HD 1680 Observer = Richard D. Lines 3 of 5 JD (hel.) Delta V JD (hel.) Delta ? 2444845.9153 -0.599 2444885.7794 -0.58? .9233 -0.621 .7834 -0.56? .9293 -0.619 .7864 -0.58? 849.9154 -0.611 886.7724 -0.57? .9204 -0.614 .7744 -0.58? .9294 -0.610 .7794 -0.57? 858.8736 -0.572 887.7644 -0.59? .8796 -0.569 .7674 -0.57? .8866 -0.581 .7724 -0.57? 859.8666 -0.581 897.7770 -0.59? .8706 -0.591 .7790 -0.61? .8746 -0.588 .7820 -0.60? 867.8377 -0.628 898.7459 -0.609 .8427 -0.629 .7489 -0.61? .8457 -0.632 .7539 -0.60? 868.8367 -0.645 899.7449 -0.62? .8407 -0.639 .7469 -0.618 .8447 -0.637 .7499 -0.61? 875.8127 -0.673 900.7338 -0.62? .8157 -0.661 .7368 -0.62? .8197 -0.669 .7388 -0.62? 881.7995 -0.614 901.7248 -0.64? .8045 -0.614 .7288 -0.64? .8075 -0.621 .7328 -0.61? 884.7865 -0.591 .7358 -0.63? .7925 -0.595 .7955 -0.585 Variable = HD 1833 Lines Observatory page Comparison = HD 1680 Observer = Richard D. Lines 4 of 5 JD (hel.) Delta V 2444903.7237 -0.640 .7297 -0.640 .7327 -0.632 908.7054 -0.653 .7104 -0.642 .7124 -0.599 909.7103 -0.667 .7163 -0.669 .7203 -0.668 910.7412 -0.658 .7442 -0.658 .7462 -0.647 911.7062 -0.651 .7082 -0.644 .7112 -0.667 919.6846 -0.578 .6876 -0.575 .6916 -0.592 920.6785 -0.584 .6815 -0.587 .6845 -0.592 928.6919 -0.554 .6949 -0.570 Variable = HD 1833 Cloudcroft Observatory page Comparison = HD 1680 Observer = Gregory W. Henry 5 of 5 Jerry Sherlin JD (hel.) Delta V JD (hel.) Delta ? 2444872.7348 -0.645 2444996.5711 -0.57? .7363 -0.639 .5729 -0.57? .7379 -0.643 .5744 -0.57? 873.7589 -0.652 2445153.9427 -0.63? .7602 -0.650 .9442 -0.63? .7617 -0.651 .9456 -0.63? 874.7044 -0.665 160.9521 -0.5?? .7059 -0.658 .9536 -0.5?? .7073 -0.657 959.6883 -0.551 .6908 -0.555 .6926 -0.562 967.6749 -0.615 .6775 -0.615 .6793 -0.615 .6807 -0.614 .6835 -0.617 973.6070 -0.615 .6094 -0.624 .6121 -0.604 977.6052 -0.643 .6075 -0.640 .6097 -0.645 995.5694 -0.580 .5720 -0.582 .5744 -0.584 Variable = HD 37847 Dyer Observatory page Comparison = BD -20 1150 Observer = Gregory W. Henry 1 of 2 JD (hel.) Delta V Delta B 2444605.7240 -1.637 -1.570 .7285 -1.628 -1.586 .7330 -1.621 -1.560 650.5820 -1.301 -1.252 .5862 -1.300 -1.243 .5905 -1.283 -1.255 660.6289 -1.578 .6310 -1.586 .6331 -1.588 675.5577 -1.422 -1.370 .5625 -1.435 -1.378 .5670 -1.424 -1.389 678.5527 -1.311 .5554 -1.324 .5582 -1.320 680.5436 -1.311 .5461 -1.318 .5483 -1.315 682.5737 -1.361 .5763 -1.361 .5793 -1.363 688.5404 -1.547 .5431 -1.547 .5456 -1.534 Variable = HD 37847 Cloudcroft Observatory page Comparison = BD -20 1150 Observer = Gregory W. Henry 2 of 2 Jerry Sherlin JD (hel.) Delta V Delta B 2444959.8933 -1.391 -1.376 .8962 -1.392 -1.378 962.9082 -1.339 -1.313 .9106 -1.333 -1.308 .9131 -1.325 -1.318 984.8083 -1.484 -1.459 .8106 -1.481 -1.456 .8127 -1.482 -1.463 992.7976 -1.338 .7987 -1.332 .7998 -1.336 993.7877 -1.354 .7890 -1.352 .7902 -1.394 997.7514 -1.481 .7529 -1.483 .7542 -1.482 2445022.5934 -1.338 .5945 -1.350 Variable = HD 185510 Kitt Peak National Observatory page Comparison = BD -6 5222 Observer = Gregory W. Henry 1 of 2 JD (hel.) Delta V Delta B 2444716.9504 0.064 0.592 .9550 0.056 0.583 .9596 0.051 0.596 2444718.9418 0.105 0.665 .9464 0.108 0.664 .9513 0.107 0.663 2444719.9296 0.122 .9323 0.124 .9348 0.127 Variable = HD 185510 Cloudcroft Observatory page Comparison = BD -6 5222 Observer = Gregory W. Henry 2 of 2 Jerry Sherlin JD (hel.) Delta V JD (hel.) Delta V 2444872.6432 0.068 2445121.8642 -0.0?? .6481 0.070 .8664 -0.05? .6499 0.067 .8695 -0.05? 873.6400 0.063 122.9312 -0.04? .6419 0.065 .9331 -0.0?? .6437 0.062 .9351 -0.0?? 874.6359 0.068 135.9584 0.12? .6376 0.069 .9600 0.12? .6390 0.070 137.9020 0.15? 877.6356 0.125 .9034 0.15? .6372 0.125 .9049 0.1?? .6386 0.127 140.9612 0.1?? 892.6685 0.154 .9660 0.14? .6708 0.156 .9674 0.1?? .6727 0.160 147.9717 -0.0?? 893.6448 0.166 .9732 -0.0?? .6461 0.167 148.9492 -0.0?? .6475 0.162 .9514 -0.0?? 2445115.9614 0.129 .9533 -0.0?? .9632 0.127 153.8568 0.0?? .9651 0.125 .8590 0.0?? 119.9171 -0.014 .8605 0.0?? .9193 -0.011 .8624 0.0?? .9214 -0.010 120.8316 -0.045 .8334 -0.041 .8347 -0.053 Variable = HD 190540 Kitt Peak National Observatory page Comparison = BD -18 5593 Observer = Gregory W. Henry 1 of 2 JD (hel.) Delta V Delta B 2444716.9887 0.340 0.518 .9930 0.354 0.521 718.9773 0.341 0.500 .9817 0.340 0.508 .9863 0.341 0.503 719.9552 0.339 .9580 0.328 .9606 0.342 Variable = HD 190540 Cloudcroft Observatory page Comparison = BD -18 5593 Observer = Gregory W. Henry 2 of 2 Jerry Sherlin JD (hel.) Delta V JD (hel.) Delta ? 2444872.6653 0.319 2445122.9562 0.31? .6670 0.320 .9582 0.31? .6686 0.315 .9608 0.31? 873.6491 0.303 137.9089 0.28? .6506 0.302 .9104 0.28? .6520 0.302 .9118 0.28? 874.6430 0.293 143.9556 0.27? .6447 0.286 .9571 0.27? .6462 0.294 .9587 0.27? 877.6442 0.284 144.9593 0.28? .6459 0.291 .9606 0.27? .6475 0.286 .9618 0.28? 892.6829 0.292 145.9395 0.29? .6854 0.291 .9407 0.29? .6873 0.288 146.9417 0.303 893.6513 0.304 .9429 0.30? .6532 0.306 .9442 0.29? .6549 0.315 148.9576 0.29? 2445119.9267 0.287 .9603 0.30? .9290 0.287 153.8659 0.29? .9310 0.285 .8678 0.29? 120.8864 0.298 .8693 0.296 .8878 0.293 .8891 0.302 121.8999 0.307 .9020 0.305 .9040 0.304 Variable = HD 205249 Cloudcroft Observatory page Comparison = BD -14 6063 Observer = Gregory W. Henry 1 of 2 Jerry Sherlin JD (hel.) Delta V Delta B 2444872.6835 0.106 0.066 .6861 0.108 0.069 .6887 0.106 0.063 873.6932 0.104 0.058 .6958 0.105 0.056 .6985 0.102 0.058 874.6570 0.094 .6584 0.094 .6599 0.088 877.6818 0.072 0.026 .6841 0.067 0.022 2445119.9400 0.026 .9425 0.020 .9441 0.023 120.8966 0.026 .8981 0.029 .8996 0.020 121.9237 0.015 .9253 0.024 .9280 0.028 137.9321 0.079 .9335 0.076 .9350 0.070 144.9519 0.124 .9533 0.127 .9547 0.130 Variable = HD 205249 Cloudcroft Observatory page Comparison = BD -14 6063 Observer = Gregory W. Henry 2 of 2 Jerry Sherlin JD (hel.) Delta V Delta B 2445145.9464 0.130 .9478 0.132 146.9525 0.140 .9540 0.140 .9552 0.140 153.9045 0.156 .9070 0.155 .9090 0.155