COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS Number 3681 Konkoly Observatory Budapest 12 November 1991 HU ISSN 0374 - 0676 Improved Positions of Variable Stars in Northern Pavo As part of a program conducted to revise and improve the coordinates of variable and suspected variable stars located in the southern hemisphere, accurate positions for confirmed variables in the northern part of Pavo are herein presented. The objects in this constellation located to the south of -67 degrees, have already been discused by Lopez and Girard (1990). The methods, procedures as well as a general description of the project can be found in Lopez (1990) and Lopez and Girard (1990). Table I contains the newly determined positions. For each variable we have listed the name of the variable star, the new RA and Dec (equinox B 1950.0 -epoch between 1966.6 and 1973.8- and average standard error of 0.7" for both coordinates). The differences between our new positions and those quoted in the GCVS IV range from -0.239 to +0.165 minutes of time in RA and from -0.569 to +0.956 minutes of arc in Dec. Considering the 133 objects reported in Table I plus the 950 already published by Lopez and Girard (1990), the total number of variable stars for which we have been able to improve coordinates is now 1083. CARLOS E. LOPEZ TERRENCE M. GIRARD Felix Aguilar Observatory and Yale Astronomy Dept. Yale Southern Observatory P.O. 6666 Benavidez 8175 (oeste) New Haven, CT 06511 5413 Chimbas - San Juan U.S.A. ARGENTINA References: Lopez, C.E. 1990 J. Am. Asoc. Variable Star Obs., 18, No. 2, 139. [BIBCODE 1989JAVSO..18..139L ] Lopez, C.E., and Girard, T.M. 1990 Publ. Astron. Soc. Pac. 102, 1018 [BIBCODE 1990PASP..102.1018L ] TABLE I Improved Positions in Northern Pavo Vari- able RA (1950.0) Dec Variable RA (1950.0) Dec h m s o ' " h m s o ' " R 18 8 4.73 -63 37 43.8 YZ 17 57 28.70 -58 7 12.0 U 20 51 23.11 -62 53 46.2 AA 17 58 39.76 -59 3 16.5 V 17 38 59.78 -57 42 3.6 AB 17 59 36.80 -58 53 47.5 W 17 45 45.37 -62 23 41.0 AD 18 3 4.93 -61 14 19.9 X 20 7 34.18 -60 5 8.6 AF 18 6 23.96 -62 19 5.7 Z 19 30 54.53 -62 52 7.8 AG 18 7 43.29 -62 34 6.4 RS 18 2 57.14 -58 58 5.3 AH 18 9 27.08 -59 2 27.0 RV 18 5 6.99 -59 27 55.3 AI 17 38 13.21 -57 37 9.6 SZ 17 37 5.77 -59 54 16.2 AN 17 53 54.44 -57 1 9.8 TT 17 37 22.92 -57 43 48.6 AO 17 58 21.22 -57 16 4.4 TX 17 43 15.69 -60 4 0.5 AP 17 59 15.75 -62 56 49.3 TY 17 44 0.52 -62 34 59.6 AQ 18 0 23.53 -60 2 16.0 UU 17 45 47.43 -60 0 9.0 AR 18 15 23.84 -66 6 1.1 UV 17 46 47.65 -62 6 1.5 AT 18 13 12.93 -60 17 27.9 UW 17 46 55.29 -61 5 47.4 AU 18 17 53.64 -57 1 39.2 UX 17 47 6.29 -61 52 12.9 AV 18 20 38.21 -58 45 11.8 UY 17 47 6.68 -61 6 54.3 AW 18 23 5.86 -59 16 11.7 VV 17 47 15.89 -61 14 35.6 AX 18 24 34.95 -59 27 4.4 VX 17 48 47.33 -61 53 7.5 AY 18 25 52.56 -58 1 16.3 VY 17 49 23.55 -59 19 24.2 BB 18 30 24.68 -59 16 51.5 VZ 17 50 25.93 -61 35 34.3 BD 18 38 54.77 -57 33 43.1 WW 17 51 6.68 -59 33 59.8 BE 18 40 14.24 -60 8 56.6 WX 17 51 29.06 -59 16 40.2 BF 18 41 13.53 -59 41 35.5 WY 17 51 55.13 -57 9 17.3 BH 18 29 41.85 -65 29 23.4 WZ 17 52 19.47 -59 53 30.0 BM 19 23 42.31 -62 54 57.4 XY 17 53 45.89 -57 36 24.9 BN 19 33 40.88 -60 43 26.4 XZ 17 59 4.83 -59 10 41.8 BW 17 38 49.25 -59 0 59.5 YY 17 56 23.86 -58 26 18.4 BX 17 39 33.58 -59 29 47.5 BZ 17 45 35.77 -60 4 28.9 GM 19 53 17.11 -61 7 25.7 CD 17 50 38.27 -58 51 50.6 GO 19 53 56.02 -57 24 57.3 CE 17 50 57.16 -61 4 6.3 GU 20 3 50.68 -59 0 43.5 CF 17 56 22.29 -57 54 2.1 GV 20 4 17.68 -60 38 1.8 CG 17 56 34.17 -57 47 18.1 GW 20 4 34.58 -57 7 29.9 CI 17 58 7.80 -60 20 20.0 GZ 20 6 9.57 -60 17 30.3 CK 18 4 32.33 -60 13 42.0 HI 20 9 15.00 -59 14 56.5 CL 17 41 3.01 -59 40 39.1 HT 20 13 45.05 -60 46 15.9 CP 18 5 34.90 -57 1 27.2 HV 20 15 6.54 -56 58 58.3 CR 18 8 57.15 -57 6 17.0 HZ 20 17 16.69 -61 9 22.0 CS 18 9 33.96 -59 12 19.6 IM 20 19 42.20 -57 43 15.9 CT 18 11 5.01 -59 39 15.1 IQ 20 22 32.56 -58 21 28.1 CV 18 19 46.61 -58 25 28.5 IT 20 26 41.05 -60 10 22.4 CW 18 25 11.92 -59 22 51.1 IX 20 28 55.52 -61 23 32.0 CX 18 31 16.51 -57 31 38.7 KS 20 42 13.95 -60 24 16.6 CY 18 40 19.05 -57 57 53.5 KU 20 45 21.77 -60 55 54.5 CZ 18 46 57.39 -58 54 18.5 LU 19 45 3.26 -58 44 51.2 DF 18 14 3.08 -65 36 45.6 LV 19 46 35.36 -58 39 56.7 DI 19 33 12.10 -57 4 36.5 LW 19 49 3.56 -58 2 6.6 DL 19 37 56.15 -60 11 20.4 LX 19 51 4.77 -57 10 59.8 DP 18 21 24.12 -64 59 22.2 MM 19 54 36.77 -58 56 55.3 DQ 18 36 23.44 -57 45 51.7 MQ 20 2 16.49 -57 33 25.4 FO 19 47 12.93 -62 51 47.3 MU 20 31 14.01 -61 13 48.0 FU 19 50 9.06 -58 22 19.3 MX 18 19 21.23 -63 58 29.4 FV 19 50 19.55 -59 48 1.2 MY 18 27 40.56 -58 55 34.6 FW 19 50 37.81 -60 36 38.1 MZ 19 7 40.96 -61 21 26.7 FX 19 50 38.96 -60 33 46.6 NN 19 11 39.40 -66 33 46.2 GK 19 52 42.11 -59 37 24.6 NO 19 54 40.09 -62 25 0.9 GL 19 52 53.49 -57 36 44.8 NT 17 55 9.81 -57 35 38.0 NW 18 8 36.11 -65 15 3.7 NX 18 36 31.80 -63 4 57.4 OP 17 38 13.11 -58 15 19.0 OR 17 44 20.59 -61 4 45.5 OS 17 46 15.72 -59 47 56.3 OT 17 47 36.89 -59 49 54.5 OU 17 47 41.45 -60 42 9.4 OW 17 53 11.40 -63 37 40.7 OX 17 52 50.27 -57 48 14.4 OZ 18 1 0.58 -59 47 29.5 PP 18 17 9.02 -59 27 15.9 PR 18 24 43.45 -62 48 23.6 PS 18 31 41.86 -58 28 35.3 PT 18 36 39.31 -62 38 47.0 QR 19 31 13.80 -61 25 55.7 QY 19 49 28.87 -59 27 59.4 V337 20 43 57.90 -62 15 52.0 V340 19 19 42.39 -60 59 28.6 V342 20 36 57.95 -61 46 11.1