COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS Number 994 Konkoly Observatory Budapest 1975 May 2 Veroffentlichungen der Remeis-Sternwarte Bamberg Astronomisches Institut der Universitat Erlangen-Nurnberg Band X, Nr. 115 NEW FAINT SOUTHERN VARIABLE STARS On sky patrol plates (red and blue) taken at the Southern Station of the University of Florida, Gainesville and the Remeis-Sternwarte, Bamberg, at the Mount John Observatory, New Zealand, the 20 stars of the following list were found to be variable (17 new stars and 3 stars listed already in the Catalogue of Suspected Variable Stars, CSV). The brightness of these stars were obtained from the Harvard- Groningen-Atlas, Selected Areas (edition 1965 by A. Brun and H. Vehrenberg). Finding charts are 1 deg in declination and south is up. BV-Nr. RA Decl. max. Ampl. Type Remarks 1900.0 brightness pg pg BV 1622 Hya 14h26m58s -26deg19'.3 12m.8 0m.5 EA 1 =CSV 7139 = S 6580 BV 1623 Lib 14 30 24 -23 55.7 12.5 0.9 EA 2 BV 1624 Lib 14 48 45 -15 12.8 13.0 0.9 3 BV 1625 Lib 14 59 04 -17 01.6 12.5 1.1 EA 4 BV 1626 Lib =CoD -26deg10719 (10m) 0.9 5 BV 1627 Lib 15 09 06 -14 56.0 12.8 1.0 EA 6 =CSV 2300 = HV 8693 BV 1628 Lup 15 14 34 -52 44.2 11.7 0.6 EA 7 BV 1629 Sco 16 05 02 -16 20.3 13.6 0.6 L 8 =CSV 2595 = Ross 174 BV 1630 Sco =BD -15deg4276(9m.5) 0.6 L 9 BV 1631 Ser 17 35 37 -13 29.0 12.8 0.6 L 10 BV 1632 Ser 17 56 23 -15 31.6 12.5 0.7 EA 11 BV 1633 Tel 18 19 10 -49 11.1 12.4 0.6^* 12 BV 1634 Sgr 18 38 06 -17 18.8 12.6 0.8 13 BV 1635 Sct 18 38 40 -06 44.6 13.1 0.9^* 14 BV 1636 Sgr 19 14 59 -12 02.9 13.0 0.7 L 15 BV 1637 Sgr 19 22 28 -15 51.4 13.1 0.9^* L 16 BV 1638 Aql 19 38 40 -11 33.7 10.8 0.7 L 17 BV 1639 Sgr 19 48 24 -18 56.0 12.9 0.7 18 BV 1640 Cap 20 12 00 -11 16.2 11.9 0.9 EA 19 BV 1641 Cap 20 31 54 -15 58.0 12.3 0.9 L 20 ^* = Amplitude until plate limit. Remarks: 1 Few minima, not enough for a period 2 Few minima, not enough for a period 3 More minima than maxima, and values between 4 Few minima, not enough for a period 5 Few good maxima 6 BV 1627 Lib = CSV 2300 = HV 8693 With these minima the following primary period was found: Min = JD 243 8906.350+1d.130 47 .E Minima E O - C 243 8855.507 (1/2) -45 +0.028 8906.355 0 +0.005 8940.265 30 +0.001 9270.353 322 -0.008 9287.307 337 -0.011 244 1755.182 (1/2) 2520 +0.048 2136.110 2857 +0.007 Amplitude 1m.0; without a secondary minimum, EA type. 7 Only 5 minima in 139 plates 8 Many maxima and minima, rather difficult 9 Many maxima and minima 10 Many maxima and minima 11 Only 2 minima in 50 plates 12 Several maxima, minima below plate limit, rather difficult 13 Few good maxima 14 Several maxima, minima below plate limit 15 Many maxima and minima, and values between 16 Maxima and minima, and values between 17 Many maxima and minima, and values between 18 More minima, rather difficult 19 Very few minima, not enough for a period 20 Many maxima and minima, and values between The above 20 variable stars were found whilst on a short stay at the Remeis-Sternwarte Bamberg. I would like to thank the Director, Prof.Dr. W. Strohmeier and Mr. R. Knigge of the Remeis-Sternwarte for their most valuable assistance in the preparation of this paper. Also thanks to Mr. M. Clark for taken the plates. B.S. CARTER Remeis-Sternwarte Bamberg and South African Astronomical Observatory Cape Town. [FIGURE 1] [FIGURE 2] [FIGURE 3] [FIGURE 4] [FIGURE 5] [FIGURE 6] [FIGURE 7] [FIGURE 8] [FIGURE 9] [FIGURE 10] [FIGURE 11] [FIGURE 12] [FIGURE 13] [FIGURE 14] [FIGURE 15] [FIGURE 16] [FIGURE 17] [FIGURE 18] [FIGURE 19] [FIGURE 20]