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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).

Phe

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            
========================================================================================================
640023    SW     Phe    0h  0m 30.0s  -39o 37' 29"   EA/SD    10.0        2.5531          A5              
640025    SY     Phe    1h 30m 30.8s  -42o 42' 25"   ISB:      9.75                       F8              
640041    VW     Phe    1h 25m 33.6s  -41o 48' 35"   EA/DM:   10.57       1.742160                        
640045    WW     Phe    1h 31m  6.8s  -43o 59' 35"   EA       12.4        0.720                           
640046    WX     Phe    1h 33m 42.3s  -43o 49' 23"   EA       11.9        1.387       :                   
640053    YZ     Phe    1h 42m 25.9s  -45o 57'  4"   EW/KW    12.7        0.3052                          
640058    AD     Phe    1h 16m 38.1s  -39o 42' 31"   EW/KW    10.27       0.3799252                       
640059    AE     Phe    1h 32m 32.9s  -49o 31' 41"   EW/KW     7.56       0.362377        G0V+G0V         
640061    AG     Phe    0h 26m 54.9s  -39o 52' 55"   EA/KE:    8.87       0.75533809      A9V             
640063    AI     Phe    1h  9m 34.2s  -46o 15' 56"   EA/DM     8.58      24.592325        F7V+G5:V        
640074    AU     Phe    1h 50m 23.5s  -46o 58' 28"   EW/KW    12.5        0.265814    :                   
640090    BM     Phe    0h 18m 45.9s  -39o 40' 38"   EW        9.27                                       
649006    zet    Phe    1h  8m 23.1s  -55o 14' 45"   EA/DM     3.91       1.6697671       B6V+B9V         
========================================================================================================