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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).

Ind

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            
========================================================================================================
440011    RS     Ind   21h 36m 49.7s  -70o 20'  1"   EA/DW     9.9        0.62406531      F4              
440013    RU     Ind   21h 48m 22.8s  -54o 45' 44"   EA/GS:   11.3       35.54                            
440017    RY     Ind   20h 58m  2.1s  -46o  4'  0"   EB/KE    10.83       0.71211400      A5              
440020    ST     Ind   20h 35m 23.8s  -48o 19' 20"   EW/KW    11.3        0.40188233                      
440021    SU     Ind   20h 54m 41.2s  -45o 43' 51"   EB/DW     9.3        0.986323        F5/6V           
440025    SY     Ind   20h 32m 54.3s  -59o  7'  9"   EW/KW    15.0        0.4714                          
440029    TV     Ind   20h 33m 54.6s  -55o 28' 31"   EB       11.7        0.57686                         
440059    AE     Ind   20h 53m 24.4s  -56o  1' 28"   EA       13.4        2.5154      :                   
440070    AQ     Ind   22h  7m 55.0s  -59o 52' 30"   EA       11.                                         
440071    AR     Ind   20h 31m 19.3s  -55o 23'  0"   EW:      13.9        0.6346                          
440085    BG     Ind   21h 58m 30.1s  -59o  0' 44"   EA        6.11                                       
440088    BK     Ind   20h 30m 34.6s  -49o 51' 19"   EA       10.30                                       
440092    BO     Ind   20h 44m 16.5s  -53o 50' 40"   EW        8.41                                       
440096    BS     Ind   21h 20m 59.8s  -52o 28' 40"   EA        9.01                                       
440109    CH     Ind   21h 29m 42.6s  -50o 20' 32"   EA        7.50       5.9532          A9V             
440114    CN     Ind   20h 45m 39.2s  -51o  2' 43"   EW        9.43       0.45364         F6:V:           
440115    CO     Ind   20h 56m 29.6s  -47o 50' 43"   EB       10.64       0.597959        A2/3V:          
440116    CP     Ind   21h  7m  5.5s  -54o  4' 53"   EA       12.15       2.85739                         
440117    CQ     Ind   21h 31m  3.3s  -50o 50' 49"   EA        8.38      26.921           F7V             
440118    CR     Ind   21h 33m 45.1s  -67o 33' 49"   EW       12.05       0.390816                        
440120    CT     Ind   22h 29m 46.2s  -71o 31'  9"   EA       12.6        0.832102                        
440121    CU     Ind   22h 37m 17.6s  -69o 29'  9"   EW       12.50       0.337259                        
========================================================================================================