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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).

Lyn

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            
========================================================================================================
510010    RR     Lyn    6h 26m 25.8s   56o 17'  6"   EA/DM     5.52       9.945079        A7Vm+F3V        
510014    RV     Lyn    6h 56m 11.4s   50o 51' 45"   EA/SD    13.0        2.30751                         
510017    RY     Lyn    8h 55m 13.6s   46o 27' 43"   EA/SD    11.4        1.434988                        
510018    RZ     Lyn    9h 36m  6.8s   41o 18' 31"   EB/KE    10.6        1.146918        A2              
510023    SW     Lyn    8h  7m 41.6s   41o 48'  2"   EA/DW     9.51       0.6440634       F2V             
510024    SX     Lyn    8h 13m 57.9s   57o 15' 58"   EA/SD    10.0        2.0224715       A2              
510028    TU     Lyn    6h 31m  2.7s   61o 14' 29"   EA/GS:   11.4       38.9461          F0:             
510032    TY     Lyn    8h 18m 23.2s   46o 16'  8"   EA/SD:   10.0        4.331655        A0              
510034    UU     Lyn    9h 15m 29.9s   42o 42'  9"   EB/DM    11.54       0.46846016      F3V             
510035    UV     Lyn    9h  3m 24.1s   38o  5' 55"   EW/KW     9.41       0.41498088      F8              
510045    WW     Lyn    7h 34m  7.8s   38o 10' 40"   EA/KE    11.6                                        
510055    AA     Lyn    7h 50m 46.4s   41o 34'  7"   EA       14.7                                        
510062    AH     Lyn    8h 42m 18.2s   37o 11'  5"   EA       13.5                                        
510085    BG     Lyn    7h 56m 27.4s   40o 42' 56"   EB       10.68                                       
510086    BH     Lyn    8h 22m 36.1s   51o  5' 25"   EA+NL:   13.7                                        
510093    BP     Lyn    9h  3m  8.9s   41o 17' 48"   E+NL     14.19                                       
510104    CC     Lyn    7h 35m 56.0s   43o  1' 52"   EW        6.42                                       
510105    CD     Lyn    7h 43m  6.4s   48o 41' 10"   E:        9.83                                       
510112    CL     Lyn    7h 55m 12.5s   54o  9' 46"   EA        9.78                                       
510114    CN     Lyn    8h  1m 37.2s   38o 44' 58"   EA        9.07                                       
510123    CW     Lyn    8h 40m 26.3s   44o 54' 18"   EB:       9.61                                       
510125    CY     Lyn    8h 53m 55.7s   35o 32' 18"   ELL:      6.15                                       
510128    DE     Lyn    8h 25m 29.6s   57o 43' 29"   E        12.9                                        
510132    DI     Lyn    9h 35m 22.5s   39o 57' 48"   EA        6.79                                       
510140    DR     Lyn    8h 24m 24.5s   50o  0' 51"   EA       11.6                                        
510147    DY     Lyn    8h  0m 46.0s   42o 10' 33"   EA        9.67       1.31324         F5V             
510148    DZ     Lyn    8h 11m 53.5s   42o 54' 36"   EB:       9.88       0.378018        F3V             
510152    EH     Lyn    9h  2m 40.2s   34o 19' 47"   EW       14.00       0.32678                         
510154    EK     Lyn    8h  4m 17.1s   38o 46' 38"   EA        9.73       2.2353          A2              
510155    EL     Lyn    8h 25m 22.7s   40o 34' 55"   EA       12.65       0.64453                         
510171    FG     Lyn    8h 11m 17.4s   52o 52' 35"   EB       10.77       1.43543                         
510173    FI     Lyn    8h 17m 27.3s   51o 51' 47"   EW        9.73       0.373260        F8              
510177    FN     Lyn    8h 37m 16.6s   41o 22' 26"   EA       10.23       1.810750        F0              
510178    FO     Lyn    8h 37m 26.4s   42o 40' 24"   EW       11.11       0.634457                        
510179    FP     Lyn    8h 41m 46.8s   39o  5' 32"   EW       11.36       0.359097                        
510180    FQ     Lyn    8h 46m 26.4s   34o 36' 37"   EW       11.72       0.569226                        
510183    FT     Lyn    9h  0m 51.4s   34o 22' 36"   EW       12.88       0.2937757                       
========================================================================================================