O-C DIAGRAMS AND UP-TO-DATE LINEAR
ELEMENTS OF ECLIPSING BINARIES

Heliocentric orbital phase is calculated based on YOUR COMPUTER TIME !!!!

When using this database please include a citation to: J.M. Kreiner, 2004, Acta Astronomica, vol. 54, pp 207-210.

Tau

From GCVS:
Nr.GCVS STAR  CONST.   RA   (2000)    DEC         Type   V [mag]     P [days]          Spec            
========================================================================================================
780015   RW     Tau    4h  3m 54.3s   28o  7' 33"    |EA/S   |  7.98       2.7688356      |B8Ve+K0IV     
780018   RZ     Tau    4h 36m 37.7s   18o 45' 17"    |EW/K   | 10.08       0.4156747      |A7V+A7V       
780022   SV     Tau    5h 52m  8.2s   28o  6' 40"    |EA/S   |  9.68       2.1669051     *|B9+A0         
780032   TY     Tau    4h 34m 43.3s   15o 15' 54"    |EA     | 11.5        1.0773555      |K0V           
780047   WY     Tau    5h 56m 26.1s   26o 18' 40"    |EW/K   | 11.14       0.6927584      |B9            
780057   AC     Tau    4h 37m  6.4s    1o 41' 31"    |EA/S   | 10.3        2.043356       |F0            
780062   AH     Tau    3h 47m 12.0s   25o  6' 59"    |EW/K   | 11.25       0.3326754      |G1p           
780065   AL     Tau    5h 33m 54.8s   26o  1'  1"    |EA     | 12.9        0.930658       |F0-F8         
780066   AM     Tau    5h 52m 21.4s   16o 17'  0"    |EA/S   | 10.4        2.043926       |B8            
780067   AN     Tau    3h 56m 11.4s   29o 31' 22"    |EB/D   | 10.3        1.61464        |A3            
780069   AP     Tau    4h 54m 44.7s   26o 55' 27"    |EA     | 14.0        0.9719728     *|              
780070   AQ     Tau    4h 55m 58.0s   27o 53' 28"    |EA/S   | 12.0        1.215904      *|A-F           
780072   AS     Tau    5h 14m 28.5s   27o 43' 24"    |EA/S   | 12.4        3.483328      *|              
780091   BN     Tau    4h 15m 44.9s   30o 40'  8"    |EA/S   | 12.7        4.25426       *|              
780099   BV     Tau    5h 38m 34.7s   22o 54' 44"    |EB/K   | 11.7        0.93044        |B9            
780104   CC     Tau    4h 42m 54.0s    1o 59' 14"    |E      | 13.5                       |              
780105   CD     Tau    5h 17m 31.1s   20o  7' 54"    |EA/D   |  6.77       3.435137      *|F7V+F5IV      
780107   CF     Tau    4h  5m 10.1s   22o 29' 48"    |EA/D   | 10.03       2.75589        |G0            
780118   CR     Tau    5h 51m 28.9s   24o  3' 30"    |EA     | 12.5        0.681346       |              
780120   CT     Tau    5h 58m 50.1s   27o  4' 41"    |EW/K   | 10.34       0.6668303      |B2n           
780121   CU     Tau    3h 47m 36.9s   25o 23' 15"    |EW/K   | 11.5        0.41222        |G0            
780142   DT     Tau    5h 28m 47.2s   16o  8' 32"    |EA/S   | 15.0        1.88225        |              
780157   EN     Tau    5h 56m 43.5s   25o 14' 18"    |EA/S   | 11.4        1.239029       |G0-G2         
780158   EO     Tau    6h  0m 17.3s   23o 54' 39"    |EA     | 13.6        3.9874        *|              
780160   EQ     Tau    3h 48m 13.4s   22o 18' 50"    |EW/K   | 10.5        0.34134848     |G2            
780163   ET     Tau    5h 37m 40.8s   27o 16' 16"    |EA/S   |  9.1        5.996879       |B8            
780166   EW     Tau    5h 51m 35.2s   16o  1' 57"    |EA/D   | 11.7        5.26934        |A-F           
780199   GQ     Tau    5h 41m 34.9s   25o 59' 53"    |EA/S   | 11.2        1.5317673      |B9            
780200   GR     Tau    4h  1m  3.2s   20o 24' 50"    |EB/S   | 10.26       0.4298525      |A4-5V+K5V     
780205   GW     Tau    4h 30m  9.5s   25o 32' 27"    |EB/K   | 11.2        0.6413291      |A3            
780213   HM     Tau    4h 32m 46.1s   30o 30' 59"    |EA/D   | 15.2        2.589595       |              
780221   HU     Tau    4h 38m 15.8s   20o 41'  5"    |EA/S   |  5.85       2.0562997     *|B8V           
780225   HY     Tau    5h 43m 22.4s   19o 24'  5"    |EA     | 12.4        3.01682       *|              
780229   IL     Tau    4h  7m 13.9s   29o 18' 32"    |EA/S   | 12.4        5.36062       *|              
780239   IV     Tau    4h 39m 32.6s   28o 24' 32"    |EA/S   | 14.4        0.979811       |              
780407   V0407  Tau    4h 10m 58.4s   26o 18' 21"    |EA/S   | 13.5        2.051133       |              
780424   V0424  Tau    5h 54m 52.1s   26o 48' 23"    |EA     | 15.0        2.33368       *|              
780471   V0471  Tau    3h 50m 25.0s   17o 14' 47"    |EA/D   |  9.40       0.52118301     |K0Vea+DA      
780618   V0618  Tau    3h 43m  5.0s   25o 44' 35"    |UV     | 15.9                       |              
780723   V0723  Tau    5h  6m 46.2s   28o 35' 23"    |EA/S   | 14.5        2.825489       |              
780781   V0781  Tau    5h 50m 13.1s   26o 57' 43"    |EW/K   |  8.9        0.3449100      |G0            
780818   V0818  Tau    4h 17m 38.9s   16o 56' 52"    |E/RS   |  8.30                      |              
781022   V1022  Tau    4h  7m 27.4s   27o 51'  6"    |EW/K   | 14.45                      |              
781061   V1061  Tau    4h 58m 52.8s   24o 29' 44"    |EB/K   |  7.95                      |              
781094   V1094  Tau    4h 12m  3.6s   21o 56' 50"    |EA     |  8.95                      |              
781112   V1112  Tau    4h 34m 24.8s    8o 22'  1"    |EW     | 13.1                       |              
781121   V1121  Tau    3h 24m 15.5s    1o 21' 24"    |EB     |  8.46                      |              
781123   V1123  Tau    3h 34m 58.5s   17o 42' 38"    |EW     |  9.87                      |              
781128   V1128  Tau    3h 49m 27.8s   12o 54' 43"    |EW     |  9.65                      |              
781130   V1130  Tau    3h 50m 41.9s    1o 33' 50"    |EB     |  6.65                      |              
781154   V1154  Tau    5h  5m 37.7s   23o  3' 39"    |E      |  6.71                      |              
781188   V1188  Tau    3h 45m 36.0s   24o 30'  0"    |EW     | 11.85                      |              
781220   V1220  Tau    3h 28m  9.6s   -1o 18'  5"    |EB     | 11.9        1.06425        |              
781222   V1222  Tau    3h 28m 25.8s    9o  4' 24"    |EW     | 13.28       0.29172        |              
781223   V1223  Tau    3h 29m 14.7s    9o 11' 20"    |EW     | 12.13       0.44713        |              
781229   V1229  Tau    3h 47m 29.5s   24o 17' 18"    |EA     |  6.84       2.461134       |A0V           
781230   V1230  Tau    3h 53m  6.0s   10o 26' 45"    |EW     | 14.28       0.35240        |              
781234   V1234  Tau    4h 29m 25.0s    9o  5' 30"    |EW     | 12.6        0.38786        |              
781236   V1236  Tau    5h 16m 28.8s   26o  7' 38"    |EA     | 18.1        1.29395        |K+L           
781237   V1237  Tau    5h 26m 21.1s   24o 49' 50"    |EW     | 14.03       0.287449       |G             
781238   V1238  Tau    5h 42m 14.6s   22o 22' 17"    |EW     |  8.50       1.121730       |A0            
781239   V1239  Tau    5h 50m 25.9s   26o 56' 50"    |EA     | 10.66       1.084820       |              
781241   V1241  Tau    3h 24m 23.3s    0o 42' 14"    |EA/S   |  9.38       0.82327038    *|A7+F6V        
781242   V1242  Tau    3h 41m 26.7s   30o  4'  9"    |EA     | 13.92       1.84755        |              
781249   V1249  Tau    4h 36m 48.2s    6o 57'  5"    |EA     | 13.32       1.188245       |              
781250   V1250  Tau    4h 38m 25.8s   23o 53' 42"    |EA     | 12.55       2.044093       |              
781260   V1260  Tau    5h 39m  3.9s   25o 36' 10"    |EA     | 10.15       5.43077        |A3m           
781268   V1268  Tau    3h 40m 38.8s   28o 46' 24"    |EA     |  7.42       8.161235       |A1V           
781284   V1284  Tau    3h 51m 26.2s   17o 15' 35"    |EW     | 14.55       0.350461       |              
781287   V1287  Tau    3h 53m  7.4s   25o 32'  7"    |EA     |  8.53      13.0620         |A0            
781295   V1295  Tau    4h  2m 59.3s   27o 18' 55"    |EA     | 11.27       2.09160        |G5            
781332   V1332  Tau    4h 43m 41.3s   22o 53' 37"    |EW     | 11.58       0.2718255      |              
781352   V1352  Tau    4h 56m 31.3s   24o 26' 48"    |EA     | 12.60       6.9098         |              
781355   V1355  Tau    5h  2m  6.8s   24o 27' 39"    |EW     | 13.6        0.24467        |              
781356   V1356  Tau    5h  4m 44.2s   22o 17'  8"    |EA     | 10.86      12.8075         |F8            
781367   V1367  Tau    5h 30m 19.1s   23o 51' 26"    |EW     | 10.81       0.347678       |              
781369   V1369  Tau    5h 32m 24.0s   21o 41' 10"    |EA     | 12.35       1.35567        |              
781370   V1370  Tau    5h 32m 48.8s   19o  2'  3"    |EW     | 10.9        0.295523       |              
781374   V1374  Tau    5h 48m  3.8s   28o 30' 47"    |EB/R   | 13.6        0.2508621      |M3Ve          
781375   V1375  Tau    3h 26m 12.2s    9o 49'  7"    |EW     | 11.95       0.390193       |              
781377   V1377  Tau    3h 39m 59.0s    3o 14' 30"    |EW     | 11.30       0.282709       |K2            
781378   V1378  Tau    3h 44m 18.7s   14o 39' 20"    |EW     | 12.1        0.619829       |              
781379   V1379  Tau    3h 45m 34.8s   19o 26' 18"    |EW     | 13.1        0.373531       |              
781382   V1382  Tau    3h 51m 57.0s    9o 41' 29"    |EW     | 11.75       0.443032       |              
781383   V1383  Tau    3h 52m  4.1s   14o 17' 15"    |EA     | 12.95       0.350640       |              
781385   V1385  Tau    3h 54m 25.2s   12o  4'  7"    |EW     | 11.25       0.404864       |G5            
781386   V1386  Tau    3h 55m 46.3s    7o  8' 16"    |EW     | 12.9        0.375659       |              
781387   V1387  Tau    4h  0m 28.0s    4o 21' 44"    |EW     | 12.55       0.309157       |              
781388   V1388  Tau    4h  4m 30.0s    9o 35'  6"    |EW     | 13.2        0.386760       |              
781391   V1391  Tau    4h 19m 55.8s    1o 49' 28"    |EW     | 13.33       0.3004160      |              
781393   V1393  Tau    4h 29m  4.0s   14o 15' 46"    |EW     | 13.2        0.247389       |              
781394   V1394  Tau    4h 30m 30.5s   19o 38' 12"    |EA     | 11.7        0.85191        |              
781395   V1395  Tau    4h 34m 13.8s   28o 11' 37"    |EA     | 11.95       1.870965       |              
781396   V1396  Tau    4h 35m 24.0s   19o  8' 19"    |EW     | 13.1        0.357151       |              
781400   V1400  Tau    4h 47m 49.1s   23o 13' 42"    |EW     | 11.64       0.316249       |              
781406   V1406  Tau    4h 57m 44.4s   21o  9' 52"    |EB     | 13.1        0.488451       |              
781408   V1408  Tau    5h 25m  5.3s   19o 16' 38"    |EW     | 12.05       0.365438       |              
781409   V1409  Tau    5h 32m 22.3s   25o 21'  7"    |EW     | 10.15       0.307363       |G7            
781411   V1411  Tau    5h 44m 32.0s   13o  5' 35"    |EW     | 12.5        0.300141       |              
781419   V1419  Tau    3h 44m 40.0s    3o  4' 25"    |EW     | 13.70       0.2298772      |              
789011   lam    Tau    4h  0m 40.8s   12o 29' 25"    |EA/D   |  3.37       3.9529478     *|B3V+A4IV      
789011   lam    Tau    4h  0m 40.8s   12o 29' 25"    |EA/D   |  3.37       3.9529478     *|B3V+A4IV      
789014   ksi    Tau    3h 27m 10.1s    9o 43' 57"    |E      |  3.70                      |              
========================================================================================================