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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).

Tri

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            
========================================================================================================
800005    V      Tri    1h 31m 47.1s   30o 22'  2"   EB/SD    10.7        0.5852057       A3              
800007    X      Tri    2h  0m 33.7s   27o 53' 19"   EA/SD     8.55       0.9715352       A5V+G0V         
800011    RS     Tri    1h 34m 49.2s   29o 35' 21"   EA/DM    10.27       1.9089234       A5V             
800013    RU     Tri    2h  0m 21.2s   35o 17' 13"   EA       11.6        3.26818         G0              
800014    RV     Tri    2h 13m 18.2s   37o  1'  2"   EA/SD    11.5        0.75366648      F9+K2           
800015    RW     Tri    2h 25m 36.2s   28o  5' 51"   EA/WD+   12.50       0.231883276     pec(cont+e)+M0V 
800019    SS     Tri    2h 10m 26.3s   31o 59' 26"   EA       14.5                                        
800020    ST     Tri    2h 41m 32.8s   35o 43' 31"   EB/SD:   14.3        0.4790536                       
800027    TT     Tri    1h 31m 59.9s   29o 49' 22"   E        14.7                                        
800032    TY     Tri    2h  3m 27.7s   32o 39' 57"   E        11.2                                        
800041    VW     Tri    2h  4m  2.9s   32o 49' 33"   EW/KW    13.9                                        
800044    VZ     Tri    2h 21m 29.9s   31o 58' 46"   EW/KW    12.8                                        
800045    WW     Tri    2h 23m 23.6s   37o  1' 38"   EA       12.2                                        
800064    AK     Tri    2h 24m 38.9s   33o 15' 58"   EW       12.0                                        
800074    AU     Tri    1h 40m 24.4s   33o  0' 53"   EA       14.1        2.0582                          
800081    BC     Tri    1h 35m 51.2s   30o 19' 29"   EW:      11.9        0.7078                          
800098    BU     Tri    2h 13m  1.5s   37o  3' 26"   EW       14.4        0.295562                        
800099    BV     Tri    2h 13m 32.0s   37o  2' 37"   EA       14.1        0.494176                        
800105    CD     Tri    2h 24m 30.2s   35o  8' 10"   EB       12.14       0.36907                         
800112    CL     Tri    2h 29m 41.0s   31o 59' 40"   EA       11.7        0.57877                         
800114    CN     Tri    2h 32m 15.2s   30o 16' 52"   EW       12.0        0.36706                         
800121    CU     Tri    2h 40m  0.4s   35o 18' 17"   EA       12.25       2.5785                          
========================================================================================================