COMMISSION 27 OF THE I.A.U. INFORMATION BULLETIN ON VARIABLE STARS NUMBER 115 Konkoly Observatory Budapest 10 November 1965 BRIGHT SOUTHERN BV-STARS On sky patrol plates of Bamberg Southern-Station 48 further stars were found whose variability seems to be real as can be seen from the material available till now. BV 710 = 1900: 3h58m56s0 -20 6.5 Ident.Chart No. 1 A_pg = 0m3 BV 711 = CoD -59 1531 (8m0) = HD 56 146 (B8) A_pg = 0m2 BV 712 = CoD -51 3506 (9m5) = HD 78 654 (A0) A_pg = 0m2 BV 713 = CoD -57 2511 (8m4) = HD 79 368 (B9) A_pg = 0m3 BV 714 = CoD -49 4464 (10m) A_pg = 0m3 BV 715 = BD -6 2990 (9m8) A_pg = 0m6 Min = 243 8504.130 + 13d07 . E EB Light-curve Fig. 1 BV 716 = CoD -37 6099 (8m0) = HD 85 207 (F2) A_pg = 0m5 Min = 243 8441.3425 +8d1070 . E EB Light-curve Fig. 2 BV 717 = Cap -38 3763 (10m3) A_pg = 0m4 BV 718 = CoD -32 7222 (9m5) A_pg = 1m1 = KZP 1596 = S 4931 Min = 243 8442.050 + 7d151 . E EB Light-curve Fig. 3 BV 719 = CoD -70 728 (9m2) = HD 91 908 (G) A_pg = 0m3 BV 720 = Cap -60 2073 (9m4) A_pg = 0m3 = KZP 1629 = S 4936 BV 721 = CoD -32 7790 (9m0) A_pg = 0m3 BV 722 = CoD -26 8343 (6m4) = HD 96 314 (B8) A_pg = 0m3 Min = 243 7483.375 + 16d538 . E EB Light-curve Fig. 4 BV 723 = Cap -55 4211 (10m0) A_pg = 0m2 BV 724 = CoD -57 3909 (8m8) = HD 99 218 (A0) A_pg = 0m2 BV 725 = CoD -40 6738 (9m0) = HD 99 628 (B9) A_pg = 0m8 Min = 243 8493.450 + 6d490 . E EB Light-curve Fig. 5 BV 726 = CoD -65 1151 (10m2) A_pg = 0m2 BV 727 = 1900: 11h44m37s7 -62 30.5 Ident.Chart No. 2 A_pg = 0m3 BV 728 = 1900: 11h44h44s6 -7 45.1 Ident.Chart No. 3 A_pg = 0m4 BV 729 = CoD -62 580 (9m3) A_pg = 0m2 BV 730 = Cap -62 2676 (10m2) A_pg = 0m2 BV 731 = CoD -60 4197 (9m7) = HD 108 627 (A0) A_pg = 0m2 BV 732 = CoD -59 4427 (9m3) = HD 111 505 (B5) A_pg = 0m2 BV 733 = 1900: 12h52m45s -66 11.0' Ident.Chart No. 4 A_pg = 0m3 BV 734 = 1900: 12h56m19s3 -17 7.6' Ident.Chart No. 5 A_pg = 1m0 BV 735 = CoD -36 8539 (8m5) = HD 116 447 (G5) A_pg = 0m2 BV 736 = 1900: 13h19m4s -39 12.6' Ident.Chart No. 6 A_pg = 0m2 BV 737 = CoD -46 8641 (9m8) A_pg = 0m3 BV 738 = CoD -36 8875 (9m7) A_pg = 0m5 BV 739 = CoD -24 11 322 (7m4) = HD 123 767 (F5) A_pg = 0m2 BV 740 = CoD -61 4383 (9m3) = HD 126 344 (B9) A_pg = 0m9 Min = 243 8520.450 + 3d025 . E EB Light-curve Fig. 6 BV 741 = CoD -53 5598 (9m5) = HD 127 329 (A0) A_pg = 0m4 BV 742 = CoD -73 994 (8m2) = HD 128 575 (G0) A_pg = 0m3 BV 743 = CoD -53 5654 (10 3/4^m) A_pg = 0m6 Min = 243 8475.440 + 5d1755 . E EB Light-curve Fig. 7 BV 744 = CoD -57 5671 (7m8) = HD 129 125 (K0) A_pg = 0m4 BV 745 = CoD -56 5577 (10 1/4m) A_pg = 0m3 BV 746 = CoD -57 5693 (8m2) = HD 129 860 (A2) A_pg = 0m3 BV 747 = BD -6 4068 (7m8) = HD 129 903 (G0) A_pg = 0m4 BV 748 = CoD -35 9776 (10m) A_pg = 0m2 BV 749 = CoD -34 10 176 (9m0) = HD 133 674 (A0) A_pg = 0m5 BV 750 = CoD -41 9529 (10m) *) = KZP 2264 (11m5 - 13m5) BV 751 = CoD -63 1065 (8m5) = HD 134 528 (Mb) A_pg = 0m3 BV 752 = CoD -52 6613 (8m4) = HD 136 739 (G5) A_pg = 0m3 BV 753 = 1900: 15h39m37s -66 25.8 Ident.Chart No. 7 A_pg = 0m2 BV 754 = CoD -28 12 005 (10m) *) BV 755 = CoD -40 10 975 (6m5) = HD 152 667 (B0) A_pg = 0m2 BV 756 = CoD -38 11 906 (8m3) = HD 157 972 (B9) A_pg = 0m3 BV 757 = CoD -34 12 602 (9m9) *) * = Minimum below plate limit 13m0 Bamberg, Remeis-Observatory 2 November 1965 W. STROHMEIER R. KNIGGE H. OTT BV 715 = BD -06 2990(9.8m); photometric light-curve (Fig.1). ------------------------- Min = JD 243 8504.130 + 13.07d . E, EB, Ampl. 0.74m Comparison stars: BD -0.6 2993(9.4m) 10.20m estimated BD -0.6 2998(9.5) 11.00 estimated Individual minima (fainter than 11.20m) Minima E O - C 243 8471.360 - 2.5 -0.115d 8817.404 +24 -0.406 8818.402 24 +0.592 8824.400 24.5 +0.055 8844.338 26 +0.388 8883.217 29 +0.057 Tentative derivation of lights elements. BV 716 = CoD -37 6099(8.0m)= HD 85 207(F2); photometric lights-curve (Fig.2). -------------------------- Min = JD 243 8441.425 + 8.1070d . E, EB, Ampl. 0.52m Comparison-stars: Cape -37 3796 8.24m Cape -37 3773 9.30 (values from Cape catalogue) Individual minima (fainter than 9.10m) Minima E O - C 243 8441.442 0 +0d017 8502.261 7.5 +0.033 8814.402 46 +0.055 8818.402 46.5 +0.002 8822.400 47 -0.054 8879.219 54 +0.016 8883.217 54.5 -0.039 8887.218 55 -0.092 [FIGURE 1] [FIGURE 2] BV 718 = CoD -32 7222(9.5m)= Cape -32 2863 (9.7m); S = 4931, KZP 1596 photometric light-curve (Fig.3) Min = JD 243 8442.050 + 7.151d . E, EB, Ampl. 1.20m Comparison stars: Cape -33 2865 9.60m estimated Cape -32 2864 10.30 estimated Individual minima (fainter than 10.60m) Minima E O - C 243 8499.265 8 +0d007 8828.360 54 +0.156 8878.222 61 -0.039 BV 722 -chi^2 Hya= Cape -26d 4440 (5.7m)= HD 96 314(B8); photometric light-curve (Fig.4.) Min = JD 243 7483.375 + 16.538d . E, EB, Ampl. 0.32m Comparison stars: HD 96 819 (A2) 5.50m HD 96 723 (A0) 6.51 (Cousins' catalogue) Individual minima (fainter than 5m80) Minima E O - C 243 7483.197* 0 -0d178 8442.485 58 -0.094 8475.375 60 -0.280 8516.255 62.5 -0.745 8517.256 62.5 +0.256 8525.250 63 -0.019 8814.377* 80.5 -0.307 *=minima by Cousins (information by letter, October 1965). BV 722 is already know be a variable from "Photoelectric Magnitudes and Colours of Southern Stars" by A.W.J. Cousins and R.H. Stoy. Also D.M. Popper has informed us, that this star had been found many years ago by Lick astronomers to have a variable velocity of large range. [FIGURE 3] [FIGURE 4] BV 725=CoD -40 6738(9.0m)=HD 99 628(B9); photometric light-curve (Fig.5) Min=JD 243 8493.450 + 6.490d . E, EB, Ampl. 0.80m Comparison stars: HD 99 432 (A0) 9.50m HD 99 655 (G5) 10.30 (values of the HD-Catalogue) Individual minima fainter than 9.90 Minima E O - C 243 8490.316 -0.5 +0d111 8493.319 0 -0.131 8503.306 +1.5 +0.121 8516.255 3.5 +0.090 8519.254 4 -0.156 8529.248 5.5 +0.103 8772.548 43 +0.028 8824.444 51 +0.004 8899.213 62.5 +0.138 8902.212 63 -0.108 BV 740 = CoD -61 4383 (9m3)=HD 126 344(B9); photometric light-curve (Fig.6) Min=JD 243 8520.450 + 3.025d . E, EB, Ampl. 0.94m Comparison stars: HD 126 791 (A0) 8.55m HD 126 843 (B9) 9.25 (mean values from Harvard and Cape catalogues) Individual minima (fainter than 9.75) Minima E O - C 243 8520.386 0 -0.064d .431 0 -0.019 8605.208 28 +0.058 8877.402 118 +0.002 .446 118 +0.046 8880.423 119 -0.002 8883.409 120 -0.041 [FIGURE 5] [FIGURE 6] BV 743 = CoD -53d5654 (10 3/4m)=Cape -53 6056 (9.6m) photometric light-curve Fig.7 Min=JD 243 8575.440 + 5.1755d . E, EB, Ampl. 0.66m Comparison stars: Cape -53d6055 10.00m estimated Cape -53d6048 10.40 estimated Individual minima (fainter than 10.50m) Minima E O - C 243 8475.501 0 +0.061 .553 0 +0.113 8501.438 5 +0.120 8584.246 21 +0.120 8884.407 79 +0.103 8915.302 85 -0.056 .349 85 -0.009 [FIGURE 7] IDENT.CHARTS [FIGURE 8]