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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).

CMa

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            
========================================================================================================
140001    R      CMa    7h 19m 28.2s  -16o 23' 43"   EA        5.70       1.1359499       F1V+K3IV-V      
140010    RR     CMa    7h 22m 50.3s  -16o 35' 27"   EA       12.4        1.196266                        
140012    RT     CMa    6h 13m 13.5s  -17o 39' 16"   EA       11.00       1.293726        F8              
140013    RU     CMa    6h 22m 33.6s  -22o 41' 29"   EA       10.84       1.9761827                       
140016    RX     CMa    7h 13m 51.9s  -18o  9' 41"   EA       10.59       2.069088                        
140023    SW     CMa    7h  8m 15.2s  -22o 26' 25"   EA        9.12      10.091984        A3IV            
140024    SX     CMa    7h 10m  8.0s  -16o 14' 39"   EA        9.87       1.6242605       A5:             
140026    SZ     CMa    7h 13m  3.7s  -15o 24' 44"   EA       10.43       5.712111        F8              
140028    TU     CMa    6h 31m 36.7s  -24o  9' 51"   EA        9.82       1.1278040                       
140031    TX     CMa    6h 13m 24.6s  -22o 32' 52"   EA        9.58       2.3974172       B8              
140033    TZ     CMa    6h 41m 47.2s  -19o 40' 25"   EA       10.02       3.8228696       A0              
140034    UU     CMa    6h 58m 41.5s  -18o 48' 48"   EA       10.96       2.1664827                       
140036    UW     CMa    7h 18m 40.4s  -24o 33' 31"   EB        4.82       4.393407        O8.5If+O9.5     
140037    UX     CMa    7h 20m 21.0s  -12o 14' 29"   EB       10.80       1.8584049                       
140041    VW     CMa    7h 12m 25.5s  -25o 29' 58"   EB        9.42       0.7208295                       
140045    WW     CMa    6h 19m 50.9s  -21o 39'  7"   EB        9.16       2.5163489       F6-G1           
140050    XY     CMa    7h  0m  1.9s  -22o 31' 26"   EA       13.3        1.409675                        
140052    YY     CMa    7h  0m 51.9s  -19o 14' 32"   EA/RS    10.9        5.612108                        
140054    ZZ     CMa    7h  1m 47.0s  -19o 35' 54"   EA       12.25       2.703916                        
140055    AA     CMa    7h  4m 44.9s  -24o 31'  9"   EA       13.8        1.401919                        
140057    AC     CMa    7h  8m 18.0s  -19o 40'  2"   EA       12.8        3.406460                        
140058    AD     CMa    7h 13m 19.5s  -19o 30' 43"   EA       13.5        0.7933059                       
140059    AE     CMa    7h 13m 49.1s  -18o 22'  7"   EA       12.5        3.492912                        
140060    AF     CMa    7h 15m 22.8s  -23o 40' 43"   EA       11.85       8.381989                        
140061    AG     CMa    7h 15m 47.7s  -26o  9' 57"   EA       13.9        2.672612                        
140062    AH     CMa    7h 16m  6.1s  -27o  9' 59"   EA       13.9        5.508181                        
140064    AK     CMa    7h 20m  2.6s  -22o 23'  0"   EA       13.1        1.808186                        
140067    AN     CMa    7h 23m  7.9s  -25o 34' 26"   EA       14.7        2.416532                        
140069    AP     CMa    7h 25m  7.8s  -19o 28' 56"   EA       14.3        2.138104                        
140071    AR     CMa    7h  5m 56.2s  -24o 41'  0"   EA       10.87       2.332224                        
140072    AS     CMa    7h  6m  3.2s  -22o 49' 30"   EA       14.7        1.180968                        
140073    AT     CMa    7h  6m 51.8s  -25o 58' 40"   EA       11.50      10.064816                        
140074    AU     CMa    7h  8m 42.9s  -18o 56' 32"   EA       14.3       12.8861                          
140077    AX     CMa    7h 13m 45.0s  -24o 54' 26"   EA       14.5        2.622513                        
140078    AY     CMa    7h 16m 44.6s  -22o 36' 13"   EA       12.24       7.377029                        
140079    AZ     CMa    7h 20m 16.1s  -21o 39' 25"   EA       15.2        4.78159                         
140082    BD     CMa    7h 21m  6.2s  -26o  2' 15"   EA       11.49      44.45672                         
140085    BG     CMa    6h 56m  3.9s  -25o 39'  3"   EA       13.7        1.739190                        
140089    BL     CMa    7h  5m  5.8s  -23o 46' 57"   EA       14.8        4.02299                         
140090    BM     CMa    7h  5m 31.4s  -21o 54' 56"   EA       14.5        5.12229                         
140091    BN     CMa    7h 10m 38.9s  -25o 39' 22"   EA:      14.8        0.628283                        
140096    BS     CMa    7h 16m 25.1s  -25o 48' 30"   EW       12.15       0.559946                        
140098    BU     CMa    7h 19m 24.8s  -19o 35' 29"   EA       15.0        3.70043                         
140106    CE     CMa    7h  2m 48.8s  -22o 51' 35"   EA       12.8       27.07401                         
140109    CH     CMa    7h  4m 27.4s  -24o 29' 34"   EA       12.1        1.721918                        
140110    CI     CMa    7h  4m 49.8s  -27o 17' 20"   EA       13.1        5.90870                         
140111    CK     CMa    7h  6m 52.1s  -23o 56' 53"   EA       15.0        1.092208                        
140113    CM     CMa    7h  9m 13.0s  -18o 38' 41"   EA       12.5        0.5309205                       
140118    CR     CMa    7h 18m  2.1s  -19o 40' 58"   EB       12.1        0.624141545                     
140120    CT     CMa    7h 17m 56.5s  -26o 17' 36"   EA       12.7        1.751361                        
140121    CU     CMa    7h 18m 58.7s  -18o 34'  9"   EA       13.2        1.31787     :                   
140122    CV     CMa    7h 19m 23.5s  -18o 42' 39"   EA       13.0        3.6282627                       
140123    CW     CMa    7h 21m 52.5s  -23o 47' 37"   EA        8.56       2.1179753       A0V             
140124    CX     CMa    7h 22m  1.0s  -25o 52' 36"   EA        9.89       0.9546229       B5V             
140126    CZ     CMa    7h 23m 57.0s  -18o 56'  5"   EA       13.2        0.818992                        
140127    DD     CMa    7h 24m  8.7s  -19o 10' 47"   EA       11.52       2.0084511                       
140128    DE     CMa    7h 25m  9.8s  -27o 19' 18"   EA       12.3        0.6959655                       
140137    DO     CMa    7h 22m  3.9s  -16o 13' 18"   EA       14.0        2.725474                        
140138    DP     CMa    7h 23m 59.2s  -17o 12' 58"   EA       12.66       3.3887946                       
140149    EE     CMa    7h 23m 11.8s  -15o 19' 32"   EA       12.9        0.8930862                       
140150    EF     CMa    7h 24m 37.7s  -17o 29' 19"   EA       11.34      59.36353                         
140151    EG     CMa    6h 17m 27.6s  -21o 36' 29"   EA       11.91       1.837823        B8III/V         
140153    EI     CMa    6h 35m 29.4s  -17o 55' 20"   EA       12.47      10.6102                          
140155    EL     CMa    6h 37m 39.0s  -20o  1' 13"   EA       12.27       2.627963                        
140167    EX     CMa    6h 51m 43.2s  -13o 29' 50"   EA       13.0       74.111                           
140170    FF     CMa    7h 10m 30.6s  -30o 39' 45"   EB        7.33       1.2133752       B2V+B2V         
140176    FM     CMa    7h  5m 42.1s  -12o 48' 43"   EA        7.26       2.7894278       B1V             
140180    FQ     CMa    7h  4m 43.8s  -28o 43' 55"   EA       10.98       0.7247355                       
140189    FZ     CMa    7h  2m 42.6s  -11o 27' 12"   EA        8.01       1.2730366       B2.5IV-Vn       
140197    GO     CMa    6h 46m 15.5s  -12o 52' 53"   SRB       9.9      188.6             C(N)            
140203    GU     CMa    7h  1m 49.5s  -11o 18'  3"   INA       6.48       0.80508         B2Vne           
140208    GZ     CMa    7h 16m 19.2s  -16o 43'  0"   EA        7.98       4.800845        Am+Am           
140223    HW     CMa    7h  8m 21.9s  -22o 24' 30"   EA        9.19      21.1178329       A8+A8           
140225    HY     CMa    6h 12m 38.8s  -16o 48' 36"   EA/RS     9.18       4.977709        K3IV+G0IV       
140227    II     CMa    6h 57m 36.4s  -13o 14' 36"   EW       15.22       0.2292                          
140234    IQ     CMa    6h 12m 37.3s  -25o 16'  7"   EB        9.16       0.7313767       A8V             
140236    IS     CMa    6h 20m 56.4s  -29o 40' 15"   EW        6.93       0.6169820       F3V             
140240    IW     CMa    6h 25m 40.5s  -29o 42' 11"   EA        6.88       6.23584         A0V             
140245    KL     CMa    6h 30m 29.8s  -14o 57' 16"   EA        6.73       1.762250        B8V             
140253    KT     CMa    6h 49m 50.3s  -11o 30' 24"   EA        9.40       5.19010         B7II/III        
140255    KV     CMa    6h 50m 52.7s  -20o 54' 37"   EA        7.16      68.3843          B2III/IV        
140268    LT     CMa    7h  4m  2.6s  -12o 17' 17"   EA        7.43       1.759535        B5III           
140270    LV     CMa    7h  6m 30.5s  -11o 32' 16"   EB        8.62       1.1834807       B9.5V           
140284    MV     CMa    7h 18m  9.9s  -30o  5'  5"   EB        9.69       1.3112483       A1IV            
140305    OR     CMa    6h 55m 40.0s  -12o  4' 55"   M        12.9      299.                              
140329    QU     CMa    7h 13m 54.6s  -25o 49' 20"   EB       11.58       0.6388271                       
140362    V0362  CMa    6h 26m 50.3s  -23o 15'  6"   EB        9.57      10.585                           
140375    V0375  CMa    6h 52m  5.7s  -13o 29' 57"   EA       12.07       2.3540                          
140377    V0377  CMa    6h 55m 16.1s  -17o 12' 55"   EA        7.88       3.01351         B8III           
140378    V0378  CMa    6h 57m 14.1s  -31o 24' 58"   EB       10.60       0.877912                        
140381    V0381  CMa    7h  1m 32.0s  -27o 51' 34"   EB        7.73       3.37443         A2V             
140388    V0388  CMa    7h  6m  7.4s  -12o 57'  8"   EA        8.25       2.98260         B3V             
140391    V0391  CMa    7h  9m 46.2s  -20o  5' 35"   EA       10.06       1.75690                         
140397    V0397  CMa    7h 15m 18.3s  -16o 16' 12"   EA       11.13       2.53153                         
140398    V0398  CMa    7h 23m 34.6s  -31o 18'  0"   EA        7.98       2.198515        B9III           
140405    V0405  CMa    6h 24m 26.2s  -20o 44' 54"   EW       10.64       0.384692                        
140415    V0415  CMa    6h 36m 41.1s  -22o 36' 53"   EA        6.34       1.98571         B5V             
140416    V0416  CMa    6h 52m 32.0s  -25o 33' 30"   EW        8.61       0.418639        F6V             
140419    V0419  CMa    7h  9m 22.6s  -16o 20' 31"   EB       12.85       1.27288                         
140422    V0422  CMa    7h 18m 21.9s  -24o 51' 12"   EA        8.91       4.19184         B2IV/V          
140432    V0432  CMa    6h 50m 10.1s  -13o 52' 45"   EA       12.4        1.823881                        
========================================================================================================