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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).

For

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            
========================================================================================================
370005    V      For    2h 40m 51.4s  -25o 52' 14"   EA/SD    14.05       3.3065                          
370006    W      For    2h 41m 43.9s  -26o  1' 51"   E        12.9        0.6179073                       
370017    RY     For    3h 15m 53.5s  -24o 41' 32"   EB/SD:   12.23       0.4855                          
370021    SU     For    2h 21m 36.5s  -37o 12' 46"   EA/SD     9.5        2.434665        A2              
370039    UZ     For    3h 35m 28.6s  -25o 44' 22"   E+XM     18.2                                        
370051    XZ     For    2h  1m 18.7s  -37o  4' 52"   EW        9.97                                       
370059    AE     For    3h  8m  6.7s  -24o 45' 35"   EA       10.32                                       
370064    AK     For    3h 29m 22.9s  -24o  6'  3"   E:        9.24                                       
370073    AT     For    2h 51m  9.4s  -38o  4' 53"   EA        9.28       2.59226         A2V             
370074    AU     For    2h 15m  2.4s  -33o 51'  5"   EA       10.58       6.11384                         
370075    AV     For    2h 18m 33.7s  -29o 40' 16"   EA        8.63       1.87970         F5V             
========================================================================================================