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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).

Ser

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            
========================================================================================================
760005    V      Ser   18h 16m 49.1s  -15o 31'  7"   EB/SD     9.50       3.453551        B8              
760006    W      Ser   18h  9m 50.6s  -15o 33'  0"   EA/GS     8.42      14.15486         F5eIb(shell)    
760011    RS     Ser   18h 17m 18.5s  -13o  3' 37"   EW/DW    10.8        0.598140369     F8              
760064    AK     Ser   17h 42m  4.4s  -13o 53' 12"   EA/SD    10.8        1.9225800       A5              
760068    AO     Ser   15h 58m 18.4s   17o 16' 10"   EA/SD    10.7        0.87934745      A2              
760070    AQ     Ser   15h 22m 15.2s    2o 30' 11"   EB/DM    10.57       1.687391        F2+A5           
760072    AS     Ser   15h 38m 49.0s    2o 15' 30"   EB/KE    11.4        0.465937        F2              
760074    AU     Ser   15h 56m 49.5s   22o 16'  2"   EW/KW:   10.9        0.38650086      G5              
760087    BI     Ser   15h 56m  0.1s   17o 30' 16"   EA/SD:   11.5        1.204882        A3              
760098    BU     Ser   18h 40m  4.2s    5o 41' 13"   EA/SD    13.9        1.843394        A0V             
760104    CC     Ser   15h 36m 24.4s   15o 31' 58"   EW/KE    11.14       0.5160062       A6              
760117    CQ     Ser   18h  8m 53.7s  -14o 15' 55"   EB/SD:   11.6        0.760076        A8:             
760122    CV     Ser   18h 19m  7.4s  -11o 37' 59"   E/D/WR    9.00      29.7005          WC8+O8-O9III-IV 
760124    CX     Ser   15h 23m 36.1s    2o 35' 30"   EA/SD:   12.3        0.9972918       F8              
760151    EG     Ser   18h 26m  2.2s   -1o 40' 51"   EA/SD:    8.44       4.97362         A0              
760272    LX     Ser   15h 38m  0.1s   18o 52'  3"   EA+UG:   13.3        0.158432441     pec(e+cont)     
760282    MT     Ser   17h 29m  2.0s  -15o 13'  5"   ELL/PN   15.60                                       
760286    MX     Ser   16h 12m  7.3s   -3o  5' 59"   EW/KW    13.2                                        
760287    MY     Ser   18h 18m  5.9s  -12o 14' 33"   EB        7.33                                       
760289    NN     Ser   15h 52m 56.2s   12o 54' 47"   NL       16.6                                        
760308    OU     Ser   15h 22m 43.5s   16o 15' 41"   EW:       8.25                                       
760317    PS     Ser   15h 43m 57.9s   22o 20' 23"   E         8.19                                       
760335    V0335  Ser   15h 59m  5.8s    0o 35' 45"   EA        7.6                                        
760384    V0384  Ser   16h  1m 53.6s   24o 52' 18"   EW       11.88       0.268729                        
760385    V0385  Ser   16h  3m 25.7s    1o  2' 37"   EW       13.65       0.31295                         
760399    V0399  Ser   18h 17m 36.2s  -15o  2' 25"   EA       11.6        4.11315                         
760413    V0413  Ser   18h 35m  8.2s    0o  2' 35"   EA        7.95       2.259775        B3V             
760425    V0425  Ser   15h 19m 30.0s   19o 15' 58"   EW       11.7        0.54429                         
760434    V0434  Ser   15h 23m 27.6s    2o 33' 30"   EA       13.5        0.884                           
760505    V0505  Ser   16h  2m 48.2s   25o 20' 38"   EA+RS    10.44       0.495413                        
760555    V0555  Ser   18h 42m 56.0s    4o 35'  0"   EA       12.28       3.91352                         
========================================================================================================