BAAVSS Eclipsing Binary Program The 'Max' and 'Min' magnitudes are all visual except where the 'Min' is followed by a 'p', in which case they are both photographic. The 'D' column gives the duration of the eclipse in hours. This is only well-defined for Algol type (EA) stars. 'EB' or 'EW' in this column indicates that the star is a Beta Lyrae or W UMa star. Star RA (1950) Dec RA (2000) Dec Max MinII MinI Period D Chart h m o , h m o , m m m d h TW And 00 00.7 +32 34 00 03.3 +32 51 8.8 8.9 10.9 4.12 13 1984Dec22 WW And 23 42.4 +45 25 23 44.9 +45 41 10.3 11.4 23.28 39 1984Dec22 AB And 23 09.2 +36 37 23 11.5 +36 54 9.5 10.2 10.3 0.33 EW 1984Dec22 AD And 23 34.3 +48 24 23 36.7 +48 40 10.9 11.6 11.6p 0.99 EB 1984Dec22 BX And 02 06.0 +40 34 02 09.0 +40 48 8.9 9.2 9.6p 0.61 EW 1984Dec22 CD And 01 23.5 +44 06 01 26.6 +44 22 9.8 10.3p 34.44 29 1984Dec22 DS And 01 54.8 +37 50 01 58.7 +38 05 10.4 10.7 10.9p 1.01 EB 1984Dec22 ST Aqr 22 18.4 -07 13 22 21.0 -06 58 9.2 9.4 9.7 0.78 EB 1984Dec23 SU Aqr 22 49.4 -13 13 22 52.1 -12 57 10.2 10.5 10.8p 1.04 EB 1984Dec23 OO Aql 19 45.8 +09 11 19 48.2 +09 18 9.2 9.8 9.9 0.51 EW 1984Dec23 V346 Aql 20 07.6 +10 12 20 10.0 +10 21 9.0 9.1 10.1p 1.11 5 1984Dec23 V822 Aql 19 28.7 -02 13 19 31.3 -02 07 6.9 7.1 7.4 5.29 EB 1972Feb06 R Ara 16 35.6 -56 54 16 39.7 -57 00 6.0 6.2 6.9p 4.43 10 1984Dec23 SS Ari 02 01.4 +23 46 02 04.7 +24 00 10.4 10.8 10.9 0.41 EW 1984Dec23 SX Aur 05 08.2 +42 06 05 11.7 +42 10 8.4 8.9 9.1 1.21 EB 1984Dec23 TT Aur 05 06.3 +39 31 05 09.5 +39 36 8.6 9.0 9.5p 1.33 EB 1984Dec24 WW Aur 06 29.2 +32 30 06 32.5 +32 27 5.8 6.4 6.5 2.53 6 ISGem AM Aur 04 53.4 +32 08 04 56.6 +32 13 10.9 11.0 12.0p 13.62 46 1984Dec23 AR Aur 05 15.0 +33 43 05 18.3 +33 46 6.2 6.7 6.8 4.13 7 1984Dec24 BF Aur 05 01.6 +41 13 05 05.0 +41 18 8.8 9.5 9.5 1.58 EB 1984Dec23 CQ Aur 06 00.7 +31 20 06 03.9 +31 20 9.0 9.1 9.4 10.62 36 1984Dec24 EO Aur 05 15.0 +36 35 05 18.3 +36 38 7.6 7.9 8.1 4.07 12 ARAur HL Aur 06 15.3 +49 44 06 19.2 +49 43 10.8 11.0 11.9p 0.62 EB 1984Dec23 IM Aur 05 11.8 +46 21 05 15.5 +46 25 7.9 8.1 8.5 1.25 6 1972Feb04 IU Aur 05 24.6 +34 45 05 27.8 +34 47 8.2 8.7 8.8 1.81 EB 1984Dec24 IY Aur 05 44.9 +43 04 05 48.5 +43 05 9.4 10.1p 2.79 1984Dec24 LY Aur 05 26.4 +35 20 05 29.7 +35 23 6.7 7.3 7.4 4.00 EB ARAur SS Boo 15 11.7 +38 45 15 13.6 +38 34 10.3 10.4 11.0 7.60 18 1984Dec23 ZZ Boo 13 53.9 +26 10 13 56.1 +25 55 6.8 7.4 7.4 4.99 7 1972Feb06 AC Boo 14 54.7 +46 34 14 56.5 +46 22 10.0 10.6 10.6 0.35 EW 1984Dec24 AD Boo 14 33.0 +24 51 14 35.2 +24 38 9.8 9.9 10.4p 1.03 EB 1984Dec23 SV Cam 06 30.6 +82 19 06 41.4 +82 17 8.4 8.6 9.3 0.59 3 1984Dec23 AN Cam 03 59.3 +76 45 04 05.6 +76 55 10.4 11.2p 21.00 35 1984Dec23 RZ Cnc 08 36.1 +31 58 08 39.1 +31 48 8.7 9.2 10.0 21.64 78 1985Jun08 TW Cnc 08 26.9 +12 37 08 29.6 +12 27 8.5 8.6 9.0 70.76 51 1985Jun08 UU Cnc 07 59.7 +15 19 08 02.5 +15 11 8.7 9.2 9.4 96.71 EB 1985Jun08 WY Cnc 08 59.0 +26 53 09 01.9 +26 41 9.5 9.6 10.1 0.83 3 1985Jun08 XZ Cnc 08 26.6 +13 23 08 29.3 +13 13 9.8 10.2 10.2p 1.11 EB TWCnc ZZ Cnc 07 54.4 +11 07 07 57.1 +11 00 9.4 10.9p 25.60 49 1985Jun08 NSV4441 Cnc 09 14.9 +16 55 09 17.6 +16 55 8.3 8.8p 1984Jun08 RS CVn 13 08.3 +36 12 13 10.6 +35 56 7.9 8.2 9.1 4.80 13 1972Feb06 UW CMa 07 16.6 -24 28 07 18.7 -24 34 4.8 5.3 5.3 4.39 EB 1985Jun08 AD Cap 21 37.1 -16 14 21 39.6 -16 00 9.8 10.4 2.96 1984Jun08 RX Cas 03 03.3 +67 23 03 07.8 +67 35 8.6 9.5 9.5 32.31 EB 1985Jun08 RZ Cas 02 44.4 +69 26 02 48.9 +69 38 6.2 6.3 7.7 1.20 5 1971Jul17 TV Cas 00 16.6 +58 52 00 19.3 +59 08 7.2 7.3 8.2 1.81 8 WZCas TW Cas 02 41.7 +65 31 02 45.9 +65 44 8.3 8.4 9.0 1.43 5 1985Jun08 TX Cas 02 48.3 +62 35 02 52.2 +62 47 9.2 9.6 9.8 2.93 EB 1985Jun08 YZ Cas 00 42.3 +74 43 00 45.7 +74 59 5.7 5.8 6.1p 4.47 16 1986Jul05 AB Cas 02 32.9 +71 05 02 37.5 +71 18 10.1 10.3 11.9 1.37 6 1986Jul05 BM Cas 00 51.7 +63 49 00 54.8 +64 05 8.8 9.0 9.3 197.28 EB 1986Jul05 DO Cas 02 37.6 +60 20 02 41.4 +60 33 8.4 8.6 9.0 0.68 EB 1986Jul05 V523 Cas 00 37.3 +49 58 00 40.1 +50 14 10.6 11.3 11.5 0.23 EW 1986Jul05 U Cep 00 57.8 +81 36 01 02.3 +81 53 6.8 6.9 9.4 2.49 9 1994Mar13 VW Cep 20 38.1 +75 25 20 37.4 +75 36 7.2 7.6 7.7 0.28 EW 1972Mar21 CW Cep 23 02.0 +63 08 23 04.0 +63 24 7.6 8.0 8.0 2.73 9 1986Jul06 EG Cep 20 17.3 +76 39 20 16.0 +76 49 9.3 9.6 10.2 0.54 EB 1986Jul05 EI Cep 21 28.7 +76 11 21 28.5 +76 24 7.5 8.0 8.1 8.44 12 VWCep GK Cep 21 30.4 +70 36 21 31.0 +70 49 6.9 7.4 7.4 0.94 EB 1971Dec02 NN Cep 23 00.1 +62 15 23 02.1 +62 31 8.2 8.5 8.6 2.06 6 CWCep SS Cet 02 46.0 +01 33 02 48.6 +01 46 9.4 13.0 2.97 9 1982Jun08 VV Cet 00 53.2 -02 22 00 55.7 -02 06 10.3 11.0 11.0p 0.52 EW 1986Jul06 RS Cha 08 45.0 -78 53 08 43.3 -79 04 6.0 6.5 6.7 1.67 6 1983Mar25 RW Com 12 30.5 +27 00 12 33.0 +26 43 11.0 11.6 11.7 0.24 EW 1986Jul06 RZ Com 12 32.6 +23 37 12 35.1 +23 20 10.4 11.1 11.1 0.34 EW 1986Jul06 SS Com 12 47.2 +18 59 12 49.6 +18 42 11.3 11.9 11.9p 0.41 EW 1986Jul06 CC Com 12 09.6 +22 49 12 12.1 +22 32 11.3 12.1 12.2 0.22 EW 1986Jul06 U CrB 15 16.2 +31 50 15 18.2 +31 39 7.7 7.7 8.8 3.45 12 1986Jul06 Y Cyg 20 50.1 +34 28 20 52.1 +34 39 7.3 7.8 7.9 3.00 7 1986Jul06 SW Cyg 20 05.4 +46 09 20 07.0 +46 18 9.2 9.3 11.8 4.57 13 1986Jul06 BR Cyg 19 39.4 +46 40 19 40.9 +46 47 9.4 9.6 10.6 1.33 6 1986Jul06 KU Cyg 20 11.2 +47 15 20 12.8 +47 24 10.7 11.2 12.4 38.44 72 1986Jul06 V367 Cyg 20 46.1 +39 06 20 48.0 +39 17 6.7 7.2 7.6 18.60 EB Y Cyg V448 Cyg 20 04.3 +35 15 20 06.2 +35 23 7.9 8.4 8.7 6.52 EB 1986Jul06 V453 Cyg 20 04.7 +35 36 20 06.6 +35 44 8.3 8.7 8.7 3.89 14 V448Cyg V466 Cyg 19 52.6 +32 52 19 54.6 +33 00 10.8 11.4 11.7p 1.39 4 1986Jul06 V477 Cyg 20 03.5 +31 50 20 05.5 +31 58 8.5 8.7 9.3 2.35 4 1972Feb05 V1143 Cyg 19 37.6 +54 51 19 38.7 +54 58 5.9 6.1 6.4 7.64 4 1986Jul06 BI Del 20 25.3 +14 10 20 27.6 +14 20 11.4 13.3p 7.25 12 1986Jul06 Z Dra 11 42.7 +72 32 11 45.5 +72 15 10.8 11.0 14.1p 1.36 5 1993Jan10 TW Dra 15 33.1 +64 04 15 33.8 +63 54 7.3 7.4 8.9 2.81 11 1993Oct23 AI Dra 16 55.2 +52 47 16 56.3 +52 42 7.1 7.2 8.1 1.20 5 1971Jul17 BH Dra 19 02.8 +57 23 19 03.7 +57 27 8.0 8.1 8.6 1.82 5 1972Apr10 S Equ 20 54.7 +04 53 20 57.2 +05 05 8.0 8.1 10.1 3.44 11 1972Jun10 RW Gem 05 58.4 +23 08 06 01.5 +23 09 9.5 9.7 11.8 2.87 10 1994Mar12 GW Gem 07 49.4 +27 16 07 52.5 +27 09 10.5 10.7 11.5 0.66 EB 1986Jul06 68u Her 17 15.5 +33 09 17 17.3 +33 06 4.7 4.9 5.4 2.05 14 1971Aug27 Z Her 17 55.9 +15 09 17 58.1 +15 08 7.3 8.2 8.2 3.99 11 1972Feb06 RX Her 18 28.3 +12 35 18 30.7 +12 37 7.3 7.7 7.9 1.78 6 V451Oph TX Her 17 17.0 +41 56 17 18.6 +41 53 8.5 9.0 9.3 2.06 4 1986Jul06 AK Her 17 11.7 +16 25 17 14.0 +16 21 8.3 8.6 8.8 0.42 EW 1986Jul06 TT Hya 11 10.8 -26 12 11 13.2 -26 28 7.3 7.7 9.0 6.95 18 1985Jan03 SW Lac 22 51.4 +37 40 22 53.7 +37 56 8.5 9.3 9.4 0.32 EW 1987Nov VX Lac 22 38.8 +38 04 22 41.0 +38 19 10.9 13.0p 1.07 4 1987Nov AR Lac 22 06.7 +45 30 22 08.7 +45 45 6.1 6.4 6.8 1.98 7 1971Feb13 AW Lac 22 16.1 +54 13 22 18.0 +54 28 10.6 11.2 11.3p 1.14 EB 1987Nov CM Lac 21 58.1 +44 19 22 00.1 +44 33 8.2 8.5 9.2 1.60 4 1987Nov RT Leo 09 42.6 +20 08 09 45.4 +19 54 10.3 10.5 11.6p 7.45 23 1987Nov UV Leo 10 35.7 +14 32 10 38.4 +14 16 8.9 9.5 9.6 0.60 3 1987Nov UZ Leo 10 37.9 +13 50 10 40.6 +13 34 9.6 10.1 10.2 0.62 EW UVLeo AP Leo 11 02.5 +05 25 11 05.1 +05 09 9.3 9.9 9.9 0.43 EW 1987Nov Delta Lib 14 58.3 -08 19 15 01.0 -08 31 4.9 5.0 5.9 2.33 13 1987Nov GG Lup 15 15.7 -40 36 15 18.9 -40 47 5.5 5.8 6.0p 2.16 EB 1987Nov NSV4031 Lyn 08 19.5 +45 37 08 23.0 +45 28 8.0 8.8 1987Nov Beta Lyr 18 48.2 +33 18 18 50.0 +33 22 3.3 3.9 4.4 12.91 EB 1993Dec03 TT Lyr 19 26.0 +41 36 19 27.6 +41 30 9.3 9.4 11.4 5.24 18 1987Nov TZ Lyr 18 14.2 +41 06 18 15.8 +41 07 10.6 10.8 11.3 0.53 EB 1987Nov UZ Lyr 19 19.4 +37 51 19 21.2 +37 56 9.9 11.0 1.89 7 1987Nov HP Lyr 19 20.0 +39 50 19 21.7 +39 56 10.5 11.0 11.0 140.75 EB 1987Nov TY Men 05 31.8 -81 37 05 26.8 -81 35 8.1 8.5 8.6 0.46 EB TZ Men TZ Men 05 39.9 -84 49 05 30.2 -84 48 6.2 6.4 6.9 8.57 8 1987Nov V505 Mon 06 43.2 +02 33 06 45.8 +02 30 7.2 7.6 7.7 53.78 EB 1971Aug22 U Oph 17 14.0 +01 16 17 16.5 +01 13 5.8 6.5 6.6 1.68 6 1971Dec12 V451 Oph 18 26.9 +10 51 18 29.2 +10 53 7.9 8.3 8.5p 2.20 6 1972Jun12 V566 Oph 17 54.4 +05 00 17 56.9 +04 59 7.5 7.9 8.0 0.41 EW 1972Jun11 DN Ori 05 57.7 +10 13 06 00.5 +10 13 9.8 9.9 11.1p 12.97 25 1987Nov ER Ori 05 08.9 -08 37 05 11.2 -08 33 9.3 10.0 10.0 0.42 EW 1987Nov EY Ori 05 28.9 -05 44 05 31.3 -05 42 9.4 9.5 10.1 16.79 23 1987Nov FO Ori 05 25.5 +03 35 05 28.2 +03 38 9.5 9.7 10.3p 18.80 9 1987Nov V530 Ori 06 02.1 -03 12 06 04.6 -03 12 10.6 11.3p 6.11 9 1987Nov V640 Ori 05 52.6 -09 23 05 55.0 -09 22 11.2 13.5p 2.02 5 1987Nov V643 Ori 06 04.5 -02 55 06 07.0 -02 55 10.7 11.5p 52.42 126 1987Nov EE Peg 21 37.6 +08 57 21 40.0 +09 11 6.9 7.1 7.5 2.63 6 1972Feb16 Beta Per 03 04.9 +40 46 03 08.2 +40 57 2.1 2.2 3.4 2.87 10 1971Jul17 Z Per 02 36.9 +41 59 02 40.0 +42 12 9.7 9.8 12.4p 3.06 10 1994Mar12 ST Per 02 56.9 +39 00 03 00.1 +39 12 9.4 9.5 10.9 2.65 8 1994Mar12 DM Per 02 22.4 +55 53 02 26.0 +56 06 7.9 8.0 8.6 2.73 11 1972Apr09 IQ Per 03 56.1 +48 01 03 59.7 +48 09 7.7 7.9 8.7 1.74 5 1972Nov07 IZ Per 01 28.9 +53 46 01 32.1 +54 01 7.8 8.3 9.0 3.69 11 1972Feb14 Y Psc 23 31.9 +07 39 23 34.4 +07 56 10.1 13.1p 3.77 9 1994Mar12 SZ Psc 23 10.9 +02 24 23 13.4 +02 41 7.2 7.4 7.7 3.97 10 1972Jun11 U Sge 19 16.6 +19 31 19 18.8 +19 37 6.5 6.7 9.3 3.38 14 1993Jan24 Lambda Tau 03 57.9 +12 21 04 00.7 +12 29 3.4 3.5 3.9 3.95 14 1993Oct22 RW Tau 04 00.8 +27 59 04 03.9 +28 08 8.0 8.1 11.2 2.77 9 1984Dec18 BV Tau 05 35.6 +22 53 05 38.6 +22 55 11.7 11.9 12.4p 0.93 EB 1985Jan31 CD Tau 05 14.6 +20 05 05 17.5 +20 08 6.8 7.3 7.3 3.44 7 1972Feb04 HU Tau 04 35.3 +20 35 04 38.3 +20 41 5.9 5.9 6.7 2.06 7 1971Aug27 X Tri 01 57.7 +27 39 02 00.6 +27 53 8.9 9.1 11.3 0.97 4 1982Jan01 W UMa 09 40.3 +56 11 09 43.7 +55 57 7.8 8.4 8.5 0.33 EW 1972Feb04 TX UMa 10 42.4 +45 50 10 45.3 +45 34 7.1 7.1 8.8 3.06 9 1993Jan10 Z Vul 19 19.6 +25 29 19 21.7 +25 34 7.3 7.6 8.9 2.45 11 1972Feb05