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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).

Col

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            
========================================================================================================
240004    U      Col    6h 14m 53.1s  -33o  4' 24"   EA/SD    10.4        1.24617466      A               
240010    RR     Col    6h 33m 19.0s  -35o 17' 53"   EA       10.2       11.305       :/                  
240011    RS     Col    5h 15m 31.2s  -28o 45'  2"   EW/DW     9.54       0.672355        G+G             
240013    RU     Col    5h 34m 50.8s  -30o 25' 15"   EA/SD:   10.9                                        
240018    RZ     Col    5h 19m 54.1s  -35o 54'  6"   EW/KE    11.0        0.56522725                      
240020    ST     Col    5h 59m  3.9s  -39o 27' 27"   EA       11.                                         
240022    SV     Col    5h 38m 54.0s  -33o 37' 56"   EA/SD:   11.4        3.6218                          
240029    TV     Col    5h 29m 25.5s  -32o 49'  4"   NL+X     13.6        0.21631         pec(e+cont)     
240076    AW     Col    6h  5m 11.3s  -32o 43' 51"   EA        8.00      10.319           A3m             
240079    AZ     Col    5h 28m 50.6s  -30o 10' 13"   EW       11.30       0.302101                        
========================================================================================================