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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).

Hor

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            
========================================================================================================
410025    SY     Hor    4h 14m 18.4s  -46o 26' 57"   EW/KW    11.4        0.3116392                       
410026    SZ     Hor    3h  7m  1.2s  -56o  8'  5"   EW/KW    10.4  :     0.4804562                       
410027    TT     Hor    3h 27m  4.4s  -45o 52' 57"   EA        9.8        2.6081127                       
410037    UX     Hor    3h 27m 53.9s  -51o 52' 44"   EW       14.0        0.712760                        
410042    VX     Hor    4h 11m 37.4s  -44o 38'  1"   DSCT:     9.4                        F5-6V           
410045    WW     Hor    2h 36m 11.4s  -52o 19' 14"   E+XM     18.4                                        
410047    WY     Hor    2h 34m  1.1s  -65o 36' 34"   EW        9.55                                       
410048    WZ     Hor    2h 48m  1.1s  -62o 57' 51"   EA:       8.14                                       
410059    AE     Hor    4h  9m  6.7s  -48o 28' 34"   EA        8.56                                       
========================================================================================================