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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).

Sct

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            
========================================================================================================
750004    U      Sct   18h 54m 27.2s  -12o 36' 35"   EB/SD    10.08       0.95498575      F0              
750006    W      Sct   18h 24m 33.5s  -13o 39' 13"   EA/DM     9.92      10.2703          B3n+B0          
750011    RS     Sct   18h 49m 11.3s  -10o 14' 28"   EB/SD     9.78       0.6642384       F5              
750017    RY     Sct   18h 25m 31.5s  -12o 41' 24"   EB/GS     9.12      11.12471         O9.7Ibpeq       
750018    RZ     Sct   18h 26m 33.5s   -9o 12'  6"   EA/GS     7.34      15.1902079       B3Ib            
750025    SY     Sct   18h 50m 33.9s  -10o 43'  2"   EA/SD    13.9        7.37683                         
750042    VX     Sct   18h 33m 59.6s  -11o 54' 58"   EA/GS:   13.6       33.623                           
750044    VZ     Sct   18h 36m 58.5s  -12o 44' 31"   EB       11.8        2.19612                         
750050    XY     Sct   18h 41m  6.8s   -6o  4'  4"   EW       13.8        0.7852563                       
750057    AC     Sct   18h 46m  1.5s  -10o 14' 56"   EA/SD    10.0        4.797584        B9              
750091    BN     Sct   18h 58m 42.9s   -8o 20' 29"   EA       11.4       14.61155         A0Ib            
750096    BS     Sct   18h 52m  6.0s   -6o 14' 40"   EA/SD    11.00       3.8210104       B7e-A0III       
750105    CD     Sct   18h 52m 11.9s  -14o 28' 55"   EW       13.5        0.6063230                       
750107    CF     Sct   18h 48m 27.9s   -8o 22' 12"   EA/DS    13.4       31.9415                          
750118    CR     Sct   18h 49m 47.6s   -9o 30' 11"   EA/D     11.6        4.192325                        
750120    CT     Sct   18h 54m 21.6s   -6o  0' 17"   EA/SD    10.9        4.95360         B7V(n)          
750123    CW     Sct   18h 55m 41.7s   -5o 58'  3"   EB/DM     9.8        1.786183        B9              
750133    DK     Sct   18h 51m 42.4s   -5o 43' 34"   EA/SD    11.8        1.217744                        
750160    EQ     Sct   18h 27m  2.0s  -11o 59' 19"   EB/KE:   11.7        1.3217788       B               
750161    ER     Sct   18h 42m 43.9s   -7o 41' 33"   EA/KE:    9.1        1.361041        A0              
750168    EY     Sct   18h 42m 19.8s   -6o 18' 47"   EA/KE:   11.9        1.166382                        
750169    EZ     Sct   18h 43m 45.8s   -5o  9' 53"   EB/KE    12.0        1.134676                        
750170    FF     Sct   18h 44m 19.8s   -6o 16' 27"   EB/KE:   13.6        1.219110                        
750171    FG     Sct   18h 45m  3.6s   -6o  6' 16"   EW/KW    13.66       0.270548                        
750174    FK     Sct   18h 49m  3.7s   -8o  5' 49"   EA/SD    13.8        1.193229                        
750175    FL     Sct   18h 49m 56.3s  -10o 26' 32"   EA       13.6        2.32063                         
750176    FM     Sct   18h 50m 53.1s   -8o 31' 11"   EA/KE:   12.5        1.451404                        
750184    FU     Sct   18h 46m 54.6s   -4o 41' 22"   EA/SD:   14.6        1.661503                        
750192    GI     Sct   18h 44m 52.8s   -7o  1'  9"   EB       13.9        1.57438                         
750195    GM     Sct   18h 45m 57.5s  -10o 16'  3"   EA/D     13.0        2.73070                         
750212    HL     Sct   18h 50m 13.0s  -10o 24' 38"   EW       13.0        0.52125                         
750271    LW     Sct   18h 52m 47.8s   -9o  5' 59"   EA       14.5        5.1802                          
750275    MM     Sct   18h 52m 57.1s   -8o 26' 20"   EA/KE:   15.1        1.116372                        
750340    V0340  Sct   18h 57m  4.8s   -7o 52' 19"   EW       15.1        0.5091412                       
750356    V0356  Sct   18h 58m 11.2s   -7o 36' 47"   EA       12.0        1.061441                        
750370    V0370  Sct   18h 48m 31.2s   -5o 42' 37"   EA/SD    15.3        4.117068                        
750490    V0490  Sct   18h 58m 27.4s  -13o 52'  0"   EA/DM:   13.4       12.0441                          
750491    V0491  Sct   18h 58m 33.7s  -13o 54' 58"   EW       13.8        0.5677318                       
750493    V0493  Sct   18h 28m 36.7s  -12o 59' 51"   EA        8.32      30.811           B1Iab           
750494    V0494  Sct   18h 32m 18.9s  -11o 17' 24"   EA        9.69       4.95232         B1:V:pe         
========================================================================================================