COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS Number 2331 Konkoly Observatory Budapest 9 May 1983 HU ISSN 0374 - 0676 HD87072: A NEW, BRIGHT, VERY SMALL AMPLITUDE, SHORT PERIOD CEPHEID HD 87072 is classified F8 Ib/II by Houk and Cowley (1975) and was included in a program of intermediate band and Hbeta observations of F type supergiants. Single, one-per-night, observations over a two year span are listed in Table I. The TABLE I. Intermediate Band and Hbeta Observations of HD 87072 ------------------------------------------------------------------ JD244 Phases V b-y M_1 C_1 Beta ------------------------------------------------------------------ 4693.701 0.267d 8.35m 0.480m 0.238m 0.784m 2.642m 4694.688 0.745 8.34 0.477 0.240 0.774 2.649 5032.701 0.550 8.44 0.501 0.248 0.735 2.637 5050.688 0.266 8.33 0.476 0.232 0.763 2.645 5051.968 0.756 8.37 0.486 0.242 0.776 2.647 5052.715 0.249 8.33 0.465 0.237 0.765 2.654 5057.677 0.653 8.40 0.485 0.250 0.743 2.647 5058.652 0.126 8.26 0.456 0.225 0.808 2.663 5068.604 0.949 8.21 0.443 0.211 0.817 2.674 5069.622 0.442 8.43 0.496 0.244 0.733 2.640 5070.625 0.928 8.22 0.443 0.215 0.832 2.675 5090.604 0.610 8.44 0.499 0.240 0.722 2.646 5119.503 0.615 8.41 0.498 0.236 0.751 2.643 5151.472 0.107 8.26 0.435 0.239 0.839 2.672 5152.476 0.594 8.44 0.501 0.246 0.751 2.643 5153.490 0.085 8.24 0.440 0.242 0.818 2.673 5370.847 0.419 8.40 0.505 0.236 0.744 2.642 5376.785 0.296 8.37 0.500 0.241 0.742 2.643 5377.781 0.779 8.34 0.482 0.229 0.763 2.648 5378.837 0.290 8.38 0.500 0.256 0.748 2.643 8282.833 0.227 8.31 0.474 0.226 0.802 2.654 8383.783 0.688 8.39 0.477 0.237 0.780 2.649 8384.750 0.156 8.30 0.457 0.236 0.820 2.671 8385.733 0.633 8.42 0.476 0.258 0.752 2.646 8386.594 0.050 8.22 0.439 0.224 0.835 .. 8386.809 0.154 8.28 0.456 0.225 0.821 2.663 ------------------------------------------------------------------ [FIGURE 1] light elements, Max = JD 2445033.630 +2.063515d best satisfy these results and the resulting light and color curves are shown in Figure 1. An alternative period of 0.6737d doubles the dispersion of the individual observations. OLIN J. EGGEN Cerro Tololo Inter-American Observatory Casilla 603 La Serena, Chile Reference: Houk, N. and Cowley, A. 1975, Michigan Catalogue of HD Stars. Vol. I. [BIBCODE 1975mcts.book.....H ] [From IBVS 2428] CORRIGENDUM The last six Julian days in Table I of I.B.V.S. No.2331 (9 May 1983) were erroneously given. The correct version of the Table given by Dr. O.J. Eggen is as follows: TABLE I. Intermediate Band and H_beta Observations of HD 87072 JD 244 Phases V b-y M_1 C_1 beta ------------------------------------------------------------------- 4693.701 0.267d 8.35m 0.480m 0.238m 0.784m 2.642m 4694.688 0.745 8.34 0.477 0.240 0.774 2.649 5032.701 0.550 8.44 0.501 0.248 0.735 2.637 5050.688 0.266 8.33 0.476 0.232 0.763 2.645 5051.968 0.756 8.37 0.486 0.242 0.776 2.647 5052.715 0.249 8.33 0.465 0.237 0.765 2.654 5057.677 0.653 8.40 0.485 0.250 0.743 2.647 5058.652 0.126 8.26 0.456 0.225 0.808 2.653 5068.604 0.949 8.21 0.443 0.211 0.817 2.674 5069.622 0.442 8.43 0.496 0.244 0.733 2.640 5070.625 0.928 8.22 0.443 0.215 0.832 2.675 5090.604 0.610 8.44 0.499 0.240 0.722 2.646 5119.503 0.615 8.41 0.498 0.236 0.751 2.643 5151.472 0.107 8.26 0.435 0.239 0.839 2.672 5152.476 0.594 8.44 0.501 0.246 0.751 2.643 5153.490 0.085 8.24 0.440 0.242 0.818 2.673 5370.847 0.419 8.40 0.505 0.236 0.744 2.642 5376.785 0.296 8.37 0.500 0.241 0.742 2,643 5377.781 0.779 8.34 0.482 0.229 0.763 2.648 5378.837 0.290 8.38 0.500 0.256 0.748 2.643 5382.833 0.227 8.31 0.474 0.226 0.802 2.654 5383.783 0.688 8.39 0.477 0.237 0.780 2.649 5384.750 0.156 8.30 0.457 0.236 0.820 2.671 5385.733 0.633 8.42 0.476 0.258 0.752 2.646 5386.594 0.050 8.22 0.439 0.224 0.835 ... 5386.809 0.154 8.28 0.456 0.225 0.821 2.663 --------------------------------------------------------------------