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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).

TrA

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            
========================================================================================================
810010    RR     TrA   16h 18m 22.7s  -62o 44' 15"   EA/SD    10.36       0.71309172      B8              
810019    SS     TrA   15h 39m 21.6s  -60o 53' 38"   EA/SD:   10.5        1.72043                         
810027    TT     TrA   15h 49m 17.3s  -62o 56' 12"   RR:      12.5                                        
810048    WZ     TrA   16h  1m 38.6s  -65o  0' 24"   E/SD:    12.3                                        
810152    EH     TrA   16h 18m 33.8s  -69o 43' 57"   EA/SD    11.3        3.83301                         
810155    EL     TrA   16h 13m 21.3s  -69o 58'  4"   EB/KE    10.8        0.54550918                      
810156    EM     TrA   14h 56m 33.2s  -68o  8' 35"   EB/KE    10.1        1.03026                         
810158    EO     TrA   15h 49m 13.3s  -64o 18' 47"   EA/SD    11.4        2.141744                        
810159    EP     TrA   15h 49m 26.2s  -64o 15' 57"   EA/D      9.4        2.14165         B9III           
810160    EQ     TrA   16h 10m  0.0s  -66o  9' 30"   EA/D      8.9        2.709149        F3V             
810196    GN     TrA   15h 48m 59.2s  -66o 44' 29"   EA/KE    11.7        0.614605                        
810199    GQ     TrA   16h 21m 20.0s  -65o 51' 49"   EA/SD:    9.89       2.33947         A3V             
810216    HP     TrA   15h 26m  6.5s  -63o 25' 38"   E         8.2        2.75815         B5III           
810240    IW     TrA   16h 44m 15.6s  -62o 34' 21"   EW:/KW   14.2        0.3146                          
810276    MN     TrA   15h 58m 28.3s  -62o  3' 38"   EA        8.50                                       
810278    MP     TrA   16h  1m 53.0s  -64o 24'  1"   E:        7.76                                       
810280    MR     TrA   16h 24m 36.3s  -65o 43' 18"   ACV       8.71                                       
810295    NT     TrA   15h 40m 51.2s  -61o 43' 43"   EA        9.20       3.2300          B9IV            
810296    NU     TrA   16h 39m  9.3s  -69o 24' 25"   EA       11.72       1.92834                         
810297    NV     TrA   16h 40m  5.6s  -62o 55' 56"   EA        9.17       7.9935          A2mA3-A7        
810336    V0336  TrA   15h 59m  6.4s  -63o 17' 50"   EW       10.46       0.266768        K1Ve:           
========================================================================================================