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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).

Oct

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            
========================================================================================================
580039    UZ     Oct    4h 43m 36.0s  -84o 48' 40"   EB/KE     9.03       1.1493549                       
580066    AM     Oct   20h 49m 36.1s  -75o 22'  3"   EW       14.4        0.5017                          
580088    BK     Oct   19h 43m  3.9s  -74o 51' 29"   EW/KW    14.3        0.3686                          
580090    BM     Oct   21h 30m 45.3s  -79o  3' 57"   E        11.4        3.70898                         
580128    DE     Oct   20h 19m 19.2s  -76o  7' 36"   RRC:      9.19                                       
580157    EN     Oct   14h 50m 18.0s  -89o 46' 58"   EW       11.88       0.288906                        
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