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

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

Diagrams are computed for an average ephemerides presented in left-bottom corner of picture.
For small number of data ephemerides for diagram is taken from literature.
Based of last trend on O-C daigrams, an linear ephemerides and current orbital phase is calculated based on YOUR COMPUTER TIME !!!! (If there is enough data after 1960).

And

And| Ant| Aps| Aqr| Aql| Ara| Ari| Aur| Boo| Cae| Cam| Cnc| CVn| CMa| CMi| Cap| Car| Cas| Cen| Cep| Cet| Cha| Cir| Com| Col| CrA| CrB| Crv| Crt| Cru| Cyg| Del| Dor| Dra| Equ| Eri| For| Gem| Gru| Her| Hor| Hya| Hyi| Ind| Lac| Leo| LMi| Lep| Lib| Lup| Lyn| Lyr| Men| Mic| Mon| Mus| Nor| Oct| Oph| Ori| Pav| Peg| Per| Phe| Pic| Psc| PsA| Pup| Pyx| Ret| Sge| Sgr| Sco| Scl| Sct| Ser| Sex| Tau| Tel| Tri| TrA| Tuc| UMa| UMi| Vel| Vir| Vol| Vul

From GCVS:
Nr.GCVS STAR  CONST.   RA   (2000)    DEC         Type   V [mag]     P [days]          Spec            
========================================================================================================
 10012    RT     And   23h 11m 10.1s   53o  1' 33"   EA/RS     8.97       0.6289216       F8V+K1          
 10025    SY     And    0h 13m 16.4s   43o 42' 41"   EA       10.7       34.90847         A0+K1           
 10027    TT     And   23h 13m 22.9s   46o  8' 51"   EA       11.5        2.765101        A               
 10030    TW     And    0h  3m 18.2s   32o 50' 45"   EA        8.98       4.122834        F0V+K0          
 10034    UU     And    0h 43m 45.1s   30o 56' 20"   EA       11.2        1.486293        A8IV/V          
 10045    WW     And   23h 44m 53.5s   45o 41' 12"   EA       10.92      23.285213        A5+F3p          
 10046    WX     And    0h 45m 37.3s   28o 45'  0"   EA       12.1        3.001134        F5IV            
 10048    WZ     And    1h  1m 43.6s   38o  5' 47"   EB       11.16       0.6956638       F5              
 10051    XZ     And    1h 56m 51.5s   42o  6'  2"   EA        9.91       1.3573091       A1V             
 10055    AA     And   23h  5m 22.8s   47o 40' 35"   EB       10.3        0.9350969       B8V             
 10056    AB     And   23h 11m 32.1s   36o 53' 35"   EW        9.49       0.3318912       G5+G5V          
 10058    AD     And   23h 36m 45.0s   48o 40' 16"   EB       11.2        0.986202        A0V             
 10066    AM     And    0h  5m  7.5s   48o 27'  5"   EA       12.5        8.850510                        
 10067    AN     And   23h 18m 23.3s   41o 46' 25"   EB        5.96       3.21952         A7mIII-IV       
 10069    AP     And   23h 49m 30.7s   45o 47' 21"   EA       11.3        1.5872910       F5              
 10072    AS     And   23h 39m  1.8s   47o 14' 49"   EA       13.8                                        
 10082    BD     And   23h  7m  5.2s   50o 57' 31"   EB       11.3        0.4629057       F8              
 10089    BL     And   23h 11m 24.3s   51o 52' 31"   EB       11.15       0.72237587      A0              
 10092    BO     And   22h 58m 38.2s   45o 31' 52"   EA       13.4        5.797370        B8              
 10096    BS     And   23h 12m 47.0s   51o 52' 26"   EA       15.3        3.1461666                       
 10101    BX     And    2h  9m  3.4s   40o 47' 39"   EB        8.87       0.6101119       F2V             
 10105    CD     And    1h 26m 28.4s   44o 21' 25"   EA        9.9       68.8832          F8              
 10114    CN     And    0h 20m 30.5s   40o 13' 34"   EB        9.62       0.46279092      F5V             
 10115    CO     And    1h 11m 24.8s   46o 57' 49"   EA       11.1        1.8276678       F8              
 10116    CP     And    2h 12m 51.2s   45o 37' 52"   EA       11.4        3.608986        A5              
 10121    CU     And   23h  1m  1.6s   49o 58' 25"   EA       12.5        1.71601                         
 10126    CZ     And   23h  9m  0.9s   49o 36' 52"   EA       12.4        2.717200        A6              
 10133    DK     And   23h 28m 45.9s   50o 34' 29"   EW       12.5        0.4892224                       
 10137    DO     And    0h 10m 57.1s   42o  6' 40"   EB       12.3        1.348707                        
 10141    DS     And    1h 57m 46.0s   38o  4' 28"   EA       10.44       1.0105188       F2III           
 10145    DW     And   23h 14m 27.6s   42o  1' 15"   E        13.6                                        
 10155    EL     And    1h 26m 27.9s   44o 56' 13"   EA       13.3        5.242                           
 10159    EP     And    1h 42m 29.3s   44o 45' 42"   EW       11.3        0.40410755                      
 10167    EX     And   23h 39m 51.9s   47o 45'  2"   EA       12.7        1.632498                        
 10174    FK     And    1h  7m  3.1s   37o 29'  5"   EA       14.0        2.26941                         
 10175    FL     And    1h  8m  1.4s   36o 53' 22"   EA       14.3        0.9056485                       
 10188    FY     And   23h 23m 28.6s   50o 15' 58"   EA       15.6                                        
 10191    GH     And   23h 37m 40.4s   50o 14' 34"   EA       13.5                                        
 10193    GK     And   23h 53m 47.2s   45o 34' 46"   EA       11.3        2.009316                        
 10205    GW     And    0h 35m  9.4s   41o 40'  4"   EA       14.6        2.279354                        
 10208    GZ     And    2h 12m 14.1s   44o 39' 34"   EW       10.83       0.3050169                       
 10218    HR     And    0h 33m 46.7s   44o  4' 10"   EA       14.7        1.2357                          
 10219    HS     And    0h 34m 33.8s   41o 20'  5"   EA       12.7        1.8571884                       
 10221    HU     And    0h 39m 29.7s   40o  5'  0"   EW       16.5        0.285789                        
 10229    IL     And    0h 46m 13.5s   39o 46'  8"   EA       15.7        0.86759                         
 10230    IM     And    0h 46m 46.8s   39o 38' 33"   EW       18.3        0.270377                        
 10233    IP     And    0h 55m  3.4s   40o 37'  1"   EA       16.8        3.0798                          
 10247    KN     And    2h 36m  8.8s   38o  9' 22"   EA       11.7        2.2621866                       
 10249    KP     And   23h  9m 56.5s   41o 35'  4"   EA       11.5        1.40538         A0              
 10257    KX     And   23h  7m  6.2s   50o 11' 33"   BE        6.88                       B3pe+K1III      
 10261    LM     And    2h 11m  9.3s   48o 51' 34"   EB       12.2        0.7611836                       
 10263    LO     And   23h 27m  6.7s   45o 33' 22"   EW       11.2        0.3804427                       
 10271    LW     And    2h 19m 38.0s   38o 27' 27"   EA:      15.5        1.94        :                   
 10273    LY     And    2h 21m 52.5s   38o 37' 42"   EW       14.1        0.34505                         
 10275    MM     And    2h 22m 41.7s   43o  9' 32"   EA       16.5        0.516833                        
 10276    MN     And    2h 22m 51.1s   41o 55' 35"   EB       15.1        0.610651                        
 10277    MO     And    2h 23m 53.7s   39o 59'  3"   EA       13.2        1.930460                        
 10281    MS     And    2h 25m 46.9s   39o 58' 46"   EW       15.8        0.278120                        
 10282    MT     And    2h 27m  4.8s   40o  3' 29"   EW       14.8        0.358781                        
 10285    MW     And    2h 31m 29.0s   39o 41' 20"   EW       15.0        0.26375                         
 10288    MZ     And    2h 38m  5.2s   43o 18' 23"   EW       15.2        0.362234                        
 10301    NZ     And    1h 23m 41.3s   36o 28' 57"   EA       14.9        0.899669                        
 10307    OT     And   23h 20m  1.2s   41o 45' 18"   EA        7.32      20.85290                         
 10314    PP     And    2h 10m 42.5s   38o 18' 32"   EA       14.3        2.71646                         
 10322    PX     And    0h 30m  5.9s   26o 17' 27"   E+NL     14.04       0.146350        pec(UG)         
 10326    QR     And    0h 19m 49.9s   21o 56' 52"   EA+NL    12.16       0.6604565       pec(e)          
 10327    QS     And    0h 21m 40.6s   28o  9' 28"   EW       16.67       0.276682    :                   
 10331    QW     And    1h 18m 48.3s   49o 39' 37"   EW       12.6        0.4918690                       
 10332    QX     And    1h 57m 57.8s   37o 48' 23"   EW       11.28       0.411816        F6              
 10342    V0342  And    0h 10m  3.2s   46o 23' 25"   EA        7.58       2.63934         A3              
 10355    V0355  And    0h 44m 11.3s   46o 14'  8"   EA        7.69       4.71841         F5              
 10363    V0363  And    1h 31m 46.6s   36o  5' 38"   EB        9.10       1.27799         A2              
 10372    V0372  And    2h  5m 18.2s   45o  5' 34"   EA        9.05       2.940986        A5              
 10376    V0376  And    2h 35m 11.6s   49o 51' 37"   EB        7.68       0.7986720       A0              
 10382    V0382  And   23h  9m 58.0s   42o 50'  9"   EB        9.16       1.478983        A0              
 10392    V0392  And   23h 38m 48.7s   44o 24' 45"   EA        9.07       4.046275        A2              
 10395    V0395  And   23h 44m 32.1s   46o 22' 49"   EW        7.55       0.6847          A0              
 10404    V0404  And    1h  1m 24.4s   41o 15'  1"   EA/RS    10.3        0.67603321                      
 10406    V0406  And    2h 35m 25.6s   45o 56'  3"   EB        9.22       2.165032        B8              
 10411    V0411  And   23h 40m 28.3s   50o 33'  0"   EB       15.0        0.8114528                       
 10412    V0412  And   23h 53m 39.0s   45o 37' 22"   EA       11.95       1.90871                         
 10413    V0413  And   23h 54m  4.0s   39o 16' 57"   EA/RS     7.61      53.              G0III           
 10422    V0422  And   23h  7m 57.1s   50o 11' 44"   EB       13.4        1.0155849                       
 10425    V0425  And   23h 27m 37.3s   50o 17' 16"   EA       13.3        1.420743                        
 10440    V0440  And    0h 26m 49.5s   41o 49'  9"   EA       12.64       1.58260                         
 10441    V0441  And    0h 56m 44.2s   41o 29' 23"   EW       13.48       0.4696                          
 10444    V0444  And    1h 15m 28.7s   41o 19' 59"   EW       13.04       0.4688                          
 10449    V0449  And    2h  9m 46.9s   46o 43' 17"   EW       12.2        0.33853                         
 10452    V0452  And   23h 18m 59.2s   48o 31' 30"   EB       13.7        0.9784                          
 10458    V0458  And    1h 44m  2.1s   48o  2' 43"   EA       12.20       2.2904                          
 10462    V0462  And   23h 19m 32.6s   45o 55' 32"   EA       12.25       4.279                           
 10463    V0463  And   23h 20m 13.9s   37o  8' 40"   EB       12.15       0.406095                        
 10468    V0468  And    0h  9m 46.5s   40o 11' 35"   EA       10.90      12.747                           
 10469    V0469  And    0h 11m 22.1s   42o  5' 39"   EW       14.70       0.328201                        
 10473    V0473  And    0h 16m  5.4s   41o 51' 24"   EW       13.37       0.401299                        
 10477    V0477  And    0h 18m 31.3s   30o 25' 58"   EW       13.25       0.36265                         
 10479    V0479  And    0h 18m 56.9s   34o 54' 44"   NL       17.30                                       
 10480    V0480  And    0h 19m 12.7s   33o  1' 12"   EW       12.75       0.51003                         
 10483    V0483  And    0h 20m 35.3s   40o  4' 17"   EW       11.97       0.29707                         
 10484    V0484  And    0h 21m  5.4s   32o 29' 17"   EW       13.0        0.34900                         
 10487    V0487  And    0h 21m 27.0s   30o 13' 23"   EB       11.6        1.04068                         
 10488    V0488  And    0h 22m  6.0s   40o 31' 24"   EB       12.55       0.68216                         
 10489    V0489  And    0h 24m 39.1s   24o 55' 23"   EB       12.3        0.4227560                       
 10490    V0490  And    0h 26m 48.8s   41o 50'  4"   EW       14.6        0.424184                        
 10502    V0502  And    0h 43m 38.3s   30o 12' 45"   EW       13.68       0.318880                        
 10504    V0504  And    0h 45m  0.3s   38o 43' 56"   EW       13.03       0.648074                        
 10505    V0505  And    0h 45m 38.6s   37o 28' 29"   EW       13.47       0.3941437                       
 10509    V0509  And    0h 48m 36.9s   32o  8' 59"   EW:      12.54       0.305384                        
 10510    V0510  And    0h 49m 23.1s   32o  0' 37"   EA       13.45       1.58697                         
 10512    V0512  And    0h 52m 17.3s   35o 16'  4"   EA       11.8        0.74532                         
 10514    V0514  And    0h 54m 53.2s   35o 28'  3"   EW       13.9        0.36693                         
 10522    V0522  And    1h  3m 28.9s   43o  1' 28"   EA       13.34       7.5530                          
 10523    V0523  And    1h  5m 38.0s   36o 49'  6"   EA       11.9        0.52854                         
 10525    V0525  And    1h 16m 48.1s   34o 18' 10"   EA/RS    11.2        1.4290                          
 10527    V0527  And    1h 22m 35.7s   34o 19' 36"   EW       10.65       0.70065                         
 10530    V0530  And    1h 27m 41.0s   33o 51' 56"   EB       12.6        0.57723                         
 10531    V0531  And    1h 30m 15.9s   33o 39' 19"   EW       11.40       0.40633                         
 10533    V0533  And    1h 31m 30.5s   38o  9' 52"   EB       13.36       0.6032573                       
 10537    V0537  And    1h 35m 19.3s   37o 46' 38"   EA       11.4        0.90075                         
 10541    V0541  And    1h 37m 36.1s   38o  3' 57"   EA       12.58       3.9754056                       
 10543    V0543  And    1h 42m 25.3s   37o 55' 25"   EA       11.0        0.9264                          
 10546    V0546  And    1h 51m 12.6s   43o 49'  8"   EW       11.23       0.38303                         
 10547    V0547  And    1h 52m  3.0s   37o 48'  9"   EA/RS    11.38       1.9530                          
 10549    V0549  And    1h 55m 18.3s   40o 55' 33"   EW       13.90       0.315968                        
 10552    V0552  And    1h 57m 39.9s   43o 55'  4"   EW       16.89       0.281316                        
 10553    V0553  And    1h 57m 51.1s   44o  2' 15"   EW       17.12       0.30903                         
 10554    V0554  And    1h 57m 57.2s   44o 27' 51"   EW       16.32       0.35291                         
 10555    V0555  And    1h 58m 18.2s   43o 59' 27"   EB       14.35       0.71681                         
 10556    V0556  And    1h 58m 47.8s   44o 33'  5"   EW       14.55       0.43141                         
 10557    V0557  And    1h 59m 10.8s   38o 12' 33"   EW       14.2        0.347444                        
 10558    V0558  And    1h 59m 17.9s   44o  7' 58"   EW       15.62       0.31092                         
 10559    V0559  And    2h  0m 24.7s   44o 22' 57"   EW       16.05       0.34708                         
 10560    V0560  And    2h  1m 30.0s   44o 29' 15"   EA       13.91       0.88508                         
 10561    V0561  And    2h  2m  3.6s   43o 54' 35"   EW       16.03       0.33479                         
 10563    V0563  And    2h  2m 40.1s   36o 42' 41"   EW       13.7        0.3057893                       
 10564    V0564  And    2h  3m  8.4s   44o 10' 23"   EW       13.98       0.39177                         
 10565    V0565  And    2h  3m 27.8s   44o 14' 51"   EW       12.17       0.3272                          
 10566    V0566  And    2h  7m 20.0s   35o 38' 55"   EW       10.85       0.38970                         
 10567    V0567  And    2h  7m 59.5s   40o 17' 56"   EA       11.65       3.0155                          
 10568    V0568  And    2h 13m  5.4s   40o 49' 31"   EW       13.9        0.394255                        
 10575    V0575  And    2h 28m 44.3s   37o 28' 59"   EW       12.0        0.6780                          
 10613    V0613  And   23h 10m 12.4s   47o 34' 14"   EA        9.15       1.875798        A5              
 10634    V0634  And   23h 19m 22.3s   36o 49'  9"   EB       14.06       0.5774022                       
 10662    V0662  And   23h 28m 27.5s   45o 22' 40"   EA/RS    10.65       1.7176                          
 10683    V0683  And   23h 36m 27.8s   44o  7' 24"   EA       10.45       1.5580          F8              
 10702    V0702  And   23h 43m 50.9s   35o 49' 21"   EW       12.78       0.3406955                       
 10707    V0707  And   23h 48m 23.6s   36o 18' 40"   EA        9.93       2.588628        F5V             
 10712    V0712  And   23h 54m 39.2s   36o 45' 16"   EW       10.27       0.367168        G0V             
 10745    V0745  And    1h 32m 27.6s   41o 36' 34"   EB       12.22       0.3234825                       
 19006    zet    And    0h 47m 20.3s   24o 16'  2"   ELL/RS    3.92      17.769586        K1IIe           
 19015    omi    And   23h  1m 55.3s   42o 19' 34"   GCAS      3.55                       B6IIIpe+A2p     
========================================================================================================