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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).

Peg

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            
========================================================================================================
620004    U      Peg   23h 57m 58.5s   15o 57' 10"   EW/KW     9.23       0.374781439     F3+F3           
620032    TY     Peg   23h 29m 57.0s   13o 32' 32"   EA/SD    10.1        3.092220        A2              
620037    UX     Peg   22h 28m 40.3s   18o  0'  0"   EA/SD    10.7        1.544617        G5V             
620041    VW     Peg   22h 56m 23.6s   33o 13' 44"   EA        9.9        1.170648                        
620048    WZ     Peg   22h  1m 32.7s   35o 17' 51"   EA/SD    14.3        3.4240          A2              
620054    ZZ     Peg   22h 58m 54.5s   14o 51' 45"   EB       12.2        0.667360                        
620070    AQ     Peg   21h 37m 20.9s   13o 28' 29"   EA/SD    10.39       5.5485028       A2e+G5          
620073    AT     Peg   22h 13m 23.5s    8o 25' 31"   EA/SD     8.97       1.1460764       A7V             
620076    AW     Peg   21h 52m 20.7s   24o  0' 44"   EA/DS     7.40      10.62259         A5Ve+F2:pe      
620078    AY     Peg   22h  0m 47.4s   34o 57' 48"   EA/SD:   13.1        2.439012        A5              
620080    BB     Peg   22h 22m 56.9s   16o 19' 28"   EW/KW    10.8        0.3615021       F8              
620085    BG     Peg   22h 52m 47.3s   15o 39' 35"   EA/SD    10.5        1.95272         A2              
620088    BK     Peg   23h 47m  8.5s   26o 34'  0"   EA/D      9.97       5.4899085       F5IV-V+F8IV     
620091    BN     Peg   21h 28m  4.3s    4o 59'  2"   EA       10.3        0.713298        F5              
620092    BO     Peg   21h 31m 17.9s   11o 56' 47"   EA/KE:   11.5        0.5804301       A4              
620094    BQ     Peg   21h 34m 20.7s   20o 57' 18"   EA       13.7        1.57485                         
620100    BW     Peg   21h 38m  8.3s   21o 28' 28"   E        14.1        1.58392                         
620101    BX     Peg   21h 38m 49.4s   26o 41' 34"   EW/KW    11.0        0.2804208       G4-G5           
620102    BY     Peg   21h 38m 52.1s   28o  5' 45"   EW/KW    12.9        0.3419372                       
620103    BZ     Peg   21h 39m 42.5s   26o 21' 17"   E/SD     14.0        1.25797                         
620104    CC     Peg   21h 39m 39.8s   28o 23' 49"   E        12.6        0.60563                         
620106    CE     Peg   21h 40m 47.0s   25o  9' 15"   E        13.2        0.64202                         
620107    CF     Peg   21h 41m 11.7s   26o 12'  7"   EW/KW    14.8        0.413728                        
620121    CU     Peg   21h 47m 44.6s   27o 15' 25"   EA/SD    11.9        3.8802376                       
620123    CW     Peg   21h 48m 27.6s   28o  6' 30"   EA/SD    11.8        2.372516                        
620129    DF     Peg   21h 54m 43.4s   14o 33' 28"   EA/DS     9.1       14.6987          A2:             
620132    DI     Peg   23h 32m 14.7s   14o 58'  9"   EA/SD     9.38       0.7118168       F4IV            
620133    DK     Peg   23h 41m 33.5s   10o 12' 57"   EA/DM    10.0        1.6318117       A0V+A2V         
620135    DM     Peg    0h  0m  7.3s   18o 44' 17"   EA/D:    10.8        2.588991        A6              
620137    DO     Peg   22h  7m 30.6s    6o 10' 16"   EA/SD    10.6        2.613897        B8              
620138    DP     Peg   21h 22m 56.1s   22o  3' 47"   E        13.3                                        
620144    DV     Peg   21h 27m  7.0s   21o 22' 30"   EW/KE    11.7        0.94624         F               
620149    EE     Peg   21h 40m  1.9s    9o 11'  5"   EA/DM     6.93       2.62821423      A3mV+F5         
620152    EH     Peg   22h 34m  2.6s   13o 41' 56"   EA/D:    11.2        2.374431        G0              
620161    ER     Peg   23h  5m 46.8s   33o 29'  7"   EA/SD    11.         2.274670        A2              
620164    EU     Peg   23h  1m 25.2s   27o 20' 21"   EA       12.2        0.721114                        
620168    EY     Peg   23h 15m 19.8s   16o 47' 19"   EA/SD    12.         0.65678                         
620175    FL     Peg   21h 26m 31.8s    9o 17'  3"   EA       13.5        0.474324                        
620191    GH     Peg   21h 50m 51.6s   15o 16' 26"   EA/DM     8.8        2.556136        A3              
620198    GP     Peg   23h  6m 45.3s   30o 55' 22"   EA       10.2        0.9756179       A0              
620205    GW     Peg   21h 27m 31.4s   11o 33' 46"   EW/KW    14.9        0.40589                         
620226    HZ     Peg   22h  5m 58.8s   35o 30'  4"   EB/AR:   16.8        3.4104                          
620227    II     Peg   23h 55m  4.0s   28o 38'  1"   RS        7.18       6.7026          K2IV-Ve         
620233    IP     Peg   23h 23m  8.6s   18o 25'  0"   UG+E     12.0                                        
620249    KP     Peg   21h 26m 41.1s   13o 41' 18"   EB/KE     7.05                                       
620252    KS     Peg   23h 37m 56.8s   18o 24'  2"   EB/KE     5.37                                       
620255    KV     Peg   21h 22m  3.6s   17o  7' 52"   EW/KW    11.73                                       
620256    KW     Peg   21h 39m 10.6s   26o 42' 34"   EA       12.1                                        
620272    LX     Peg   22h  3m 18.9s   28o  2' 43"   EW       13.83                                       
620279    MQ     Peg   22h 48m 10.4s   28o  5' 19"   EW       13.39                                       
620286    MX     Peg   23h 22m 14.9s   28o  5' 33"   EW       16.23                                       
620302    OO     Peg   21h 41m 37.7s   14o 39' 31"   EA        8.25                                       
620319    PU     Peg   22h 22m 33.9s    9o 56' 25"   EB        8.02                                       
620335    V0335  Peg   22h 52m 36.2s   10o 13' 13"   E:        7.36                                       
620351    V0351  Peg   23h 25m 25.2s   15o 41' 19"   RRC       8.00                                       
620353    V0353  Peg   23h 31m 32.3s   33o 41' 54"   EB        7.49                                       
620357    V0357  Peg   23h 45m 35.1s   25o 28' 19"   EW        9.01                                       
620365    V0365  Peg   21h 39m 26.4s   23o  1' 38"   EB       10.12                                       
620375    V0375  Peg   22h  1m 40.7s   10o 37' 18"   EA:      12.5                                        
620396    V0396  Peg   23h 32m 32.6s   10o 33' 20"   EW       12.12                                       
620404    V0404  Peg   22h 56m 30.9s   33o 55' 12"   EW       10.47       0.419195                        
620407    V0407  Peg   23h 36m 55.4s   15o 48'  6"   EW        9.28       0.636889                        
620411    V0411  Peg   21h 30m 40.7s   25o  8'  0"   EW/KW    14.0        0.377052                        
620416    V0416  Peg   23h  1m  5.9s   26o 46' 53"   EA:       8.13       1.424797        A8V             
620421    V0421  Peg    0h  7m  2.0s   22o 50' 40"   EA        8.27       3.0875658       F2III/IV        
620449    V0449  Peg   21h 39m 43.1s   28o 22' 39"   EW       14.6        0.352655                        
620478    V0478  Peg   21h 55m 25.4s   19o 37' 17"   EA        9.8        1.285180        A2              
620481    V0481  Peg   21h 57m 11.2s   22o 40' 11"   EW        9.55       0.422023                        
620489    V0489  Peg   22h  1m 49.3s   17o 59' 42"   EW       11.77       0.415211                        
620496    V0496  Peg   22h  3m 30.2s   19o 39' 13"   EA       13.11       1.136793                        
620535    V0535  Peg   22h 36m 16.8s   33o 18' 57"   EW       10.55       0.3230                          
620546    V0546  Peg   22h 49m 52.0s   30o 50' 57"   EB       12.70       0.650207                        
620560    V0560  Peg   23h  1m 31.6s   30o 44' 27"   EA:      10.66       0.47137         F5V             
620568    V0568  Peg   23h  8m 13.0s   33o  3'  4"   EW       12.9        0.247074                        
620573    V0573  Peg   23h 10m 34.2s   31o 42' 54"   EW       12.34       0.417461        Ge              
620578    V0578  Peg   23h 11m 38.6s   32o 10' 27"   EA       13.0        1.27868                         
620596    V0596  Peg   23h 26m 29.3s   31o 20' 41"   EW       12.04       0.2834963                       
620619    V0619  Peg   23h 56m 57.8s   10o 48' 16"   EW       10.85       0.388710                        
========================================================================================================