O-C DIAGRAMS AND UP-TO-DATE LINEAR
ELEMENTS OF ECLIPSING BINARIES

Heliocentric orbital phase is calculated based on YOUR COMPUTER TIME !!!!

When using this database please include a citation to: J.M. Kreiner, 2004, Acta Astronomica, vol. 54, pp 207-210.

Lyr

From GCVS:
Nr.GCVS STAR  CONST.   RA   (2000)    DEC         Type   V [mag]     P [days]          Spec            
========================================================================================================
520014   RV     Lyr   19h 16m 18.0s   32o 25' 15"    |EA/S   | 11.5        3.599050       |A             
520027   TT     Lyr   19h 27m 36.3s   41o 42'  5"    |EA/S   |  9.34       5.243727       |B2V           
520033   TZ     Lyr   18h 15m 49.7s   41o  6' 37"    |EB/D   | 10.87       0.5288269      |F5V           
520039   UZ     Lyr   19h 21m  8.9s   37o 56' 11"    |EA/S   |  9.9        1.8912727      |B9V           
520055   AA     Lyr   19h  5m 48.8s   29o  4' 43"    |EB/S   | 13.4        1.073329       |F             
520062   AH     Lyr   19h 13m  1.1s   27o 16' 37"    |EB/S   | 12.0        1.0307101      |              
520064   AK     Lyr   19h 15m 19.6s   27o  0' 58"    |EA/S   | 12.8        2.0854648     *|              
520091   BN     Lyr   19h  4m 21.9s   29o 15' 10"    |EA/S   | 14.7        2.282287       |              
520099   BV     Lyr   19h 17m 42.9s   32o 57' 30"    |EA     | 12.1        1.8296477      |              
520105   CD     Lyr   18h 35m 19.9s   28o 52' 53"    |EA/S   | 14.7        4.832198       |              
520129   DF     Lyr   18h 53m 34.3s   28o  4' 20"    |EW/D   | 13.1        0.577128       |              
520142   DT     Lyr   19h  3m 22.5s   29o 53' 14"    |EA/S   | 14.0        0.787904       |              
520143   DU     Lyr   19h  3m 51.1s   30o  8'  4"    |EB/D   | 13.1        0.83700        |A             
520148   DZ     Lyr   19h 10m 53.5s   27o  7' 16"    |EA/S   | 14.7        1.8364125      |              
520163   ET     Lyr   19h 22m 16.2s   34o 51' 21"    |EA/S   | 13.         2.3022064      |              
520165   EV     Lyr   19h 26m 36.3s   39o  2' 17"    |EA/S   | 13.                        |              
520166   EW     Lyr   18h 33m 15.6s   37o 45' 12"    |EA/S   | 11.2        1.948723       |F0            
520167   EX     Lyr   18h 37m 11.6s   26o  9' 20"    |RRC    | 12.0        0.3586324      |              
520171   FG     Lyr   18h 56m 19.0s   32o 11' 28"    |EA/S   | 12.4        2.871825       |              
520172   FH     Lyr   19h 11m 29.9s   36o 39' 36"    |EA/S   | 12.5        1.589240       |              
520175   FL     Lyr   19h 12m  4.9s   46o 19' 26"    |EA/D   |  9.27       2.1781544     *|G0V           
520178   FO     Lyr   19h 18m  2.6s   27o  1' 14"    |EA/S   | 13.6        2.6828053     *|              
520188   FY     Lyr   18h 39m 34.7s   30o  6' 47"    |EA/D   | 14.1       12.23645        |              
520208   GZ     Lyr   19h 10m 31.3s   27o 55'  0"    |EA/S   | 13.3        1.3294322      |              
520216   HP     Lyr   19h 21m 39.1s   39o 56'  8"    |EB/G   | 10.5      140.75           |A6            
520220   HT     Lyr   18h 15m 12.1s   38o 18'  8"    |EB     | 13.2        0.8619849      |              
520225   HY     Lyr   18h 17m 44.0s   31o 37' 43"    |EB/K   | 13.8        0.56           |              
520233   IP     Lyr   18h 23m 24.4s   33o 11'  7"    |EB     | 13.2        0.4728057      |              
520234   IQ     Lyr   18h 23m 48.5s   32o 43' 22"    |EA     | 14.6        1.412782       |              
520240   IW     Lyr   18h 28m  1.3s   38o 59' 53"    |EA/S   | 13.1        0.798509      *|              
520242   IY     Lyr   18h 29m 40.8s   31o  0'  0"    |EW/K   | 13.8        0.6531646      |              
520244   KK     Lyr   18h 30m  7.5s   34o 18'  0"    |EA/S   | 14.4        2.26235        |              
520253   KT     Lyr   18h 32m 42.2s   32o 58' 55"    |EB     | 14.7        0.581550       |              
520271   LW     Lyr   18h 40m 42.9s   35o  9' 19"    |EA/S   | 13.8                       |              
520274   LZ     Lyr   18h 41m 26.2s   32o 58' 47"    |EA/S   | 12.0        1.6111788     *|              
520276   MN     Lyr   18h 42m 38.0s   35o  4' 55"    |EB/K   | 13.8        0.544076       |              
520288   MZ     Lyr   18h 54m 32.9s   26o 52' 34"    |EW     | 13.3        0.9673972      |              
520294   NS     Lyr   19h 11m 14.0s   36o 10' 35"    |EA/S   | 14.0        2.7970         |              
520297   NV     Lyr   19h 15m  2.7s   33o 50' 47"    |EA/S   | 12.8        1.5414264      |              
520300   NY     Lyr   19h 16m 36.9s   34o 23' 40"    |EW/K   | 12.7        0.44079534     |              
520307   OT     Lyr   19h  8m 11.6s   29o 13' 58"    |EA     | 13.9        0.471095       |              
520315   PQ     Lyr   19h 17m 39.7s   34o 27' 35"    |EA/D   | 14.8        9.072459       |              
520317   PS     Lyr   19h 18m 22.6s   27o 17'  0"    |EA/S   | 11.3        1.4469824      |              
520320   PV     Lyr   19h 19m  2.6s   31o 36' 36"    |EA/S   | 12.0        1.1986321      |              
520323   PY     Lyr   19h 20m 26.0s   28o 56' 43"    |EW/K   | 12.5        0.3857582      |F0            
520325   QQ     Lyr   19h 21m  2.0s   31o 43' 59"    |EB/S   | 14.5        1.7467022      |              
520328   QT     Lyr   19h 22m 20.5s   30o 39'  3"    |EB/K   | 14.0        1.24607972     |              
520329   QU     Lyr   19h 23m 23.8s   34o 44'  6"    |EW/K   | 12.7        1.22303638     |              
520336   V0336  Lyr   18h 27m 47.3s   33o  2' 24"    |EA/S   | 14.9        1.90513       *|              
520341   V0341  Lyr   18h 42m 54.8s   38o 45' 15"    |EA/S   | 14.2        1.414497      *|              
520359   V0359  Lyr   19h  2m 18.4s   31o  0' 46"    |EA/S   | 14.5        7.24077       *|              
520361   V0361  Lyr   19h  2m 28.0s   46o 58' 57"    |E      | 14.3        0.309616       |              
520364   V0364  Lyr   19h  9m 40.0s   30o  5' 50"    |EA/S   | 14.9        3.705837      *|              
520370   V0370  Lyr   19h 13m 27.3s   42o 14' 53"    |E      | 14.         6.988          |              
520371   V0371  Lyr   19h 16m 59.0s   26o 58'  3"    |E      | 13.4        3.0            |              
520373   V0373  Lyr   19h 17m 12.2s   31o 44' 40"    |EA/S   | 15.5        1.3575237     *|              
520376   V0376  Lyr   19h 20m 25.5s   31o 39' 29"    |EA     | 14.3        0.766771      *|              
520382   V0382  Lyr   19h 24m 53.2s   31o  2' 10"    |EA/S   | 16.3        2.8608674      |              
520400   V0400  Lyr   19h 13m 52.7s   38o  6' 56"    |RRAB   | 13.5        0.3201645      |              
520401   V0401  Lyr   19h 14m 15.7s   38o 26' 58"    |E      | 13.6        0.839361       |              
520403   V0403  Lyr   19h 17m 47.9s   29o 48'  2"    |EA/S   | 14.7        1.8771881     *|              
520404   V0404  Lyr   19h 19m  6.0s   38o 22'  0"    |EB/S   | 12.2        0.73094585     |              
520406   V0406  Lyr   18h 32m 16.3s   41o 50' 45"    |EW/K   | 12.5        1.51130        |              
520411   V0411  Lyr   19h  6m 27.6s   34o 40' 20"    |EW /   | 13.5        0.5826311      |              
520412   V0412  Lyr   19h  6m 48.5s   29o 16' 40"    |EA/K   | 13.7        0.931469       |              
520417   V0417  Lyr   19h  8m 39.1s   30o 43'  9"    |EW/K   | 14.9        0.300660       |              
520423   V0423  Lyr   19h 11m 55.4s   33o 13'  7"    |EW/K   | 15.0        0.416546       |              
520426   V0426  Lyr   19h 13m 17.4s   26o 59' 49"    |EA     | 14.3                       |              
520428   V0428  Lyr   19h 13m 32.8s   33o 36' 51"    |EA/D   | 13.4        3.766035       |              
520429   V0429  Lyr   19h 13m 37.6s   34o 29' 10"    |EA/S   | 14.5        1.067594       |              
520431   V0431  Lyr   19h 14m  0.4s   33o 35' 37"    |EW/K   | 14.3        0.446367       |              
520449   V0449  Lyr   19h  7m 37.1s   44o  0' 19"    |E      | 12.5                       |              
520461   V0461  Lyr   19h 27m 55.3s   41o 33' 35"    |EA/S   | 14.0        3.72315        |              
520466   V0466  Lyr   18h 18m 46.9s   32o  4'  5"    |E /S   | 13.2                       |              
520477   V0477  Lyr   18h 31m 18.5s   26o 56' 12"    |EA/P   | 14.3        0.4717294     *|              
520481   V0481  Lyr   18h 47m 46.4s   43o 43' 43"    |E      | 12.8                       |              
520507   V0507  Lyr   18h 40m 48.5s   28o  1' 38"    |EW     | 14.21                      |              
520512   V0512  Lyr   19h  6m 22.8s   45o 41' 54"    |EA     | 13.2                       |              
520542   V0542  Lyr   18h 58m  1.9s   38o 15' 58"    |EA     |  5.83                      |              
520563   V0563  Lyr   18h 45m  6.6s   40o 11' 11"    |EW     | 10.96                      |              
520569   V0569  Lyr   18h 15m 21.9s   39o  5' 45"    |EA     | 11.9                       |              
520571   V0571  Lyr   18h 21m  2.0s   44o 38' 42"    |EA     | 11.7                       |              
520572   V0572  Lyr   18h 21m 38.3s   42o 10'  7"    |EA     | 10.6                       |              
520573   V0573  Lyr   18h 23m  1.3s   40o  8' 34"    |EW     | 10.8                       |              
520574   V0574  Lyr   18h 27m 12.2s   36o 14' 36"    |EW     | 12.01                      |              
520576   V0576  Lyr   18h 39m  7.8s   41o 56' 54"    |EB     | 12.3                       |              
520577   V0577  Lyr   18h 42m 41.4s   45o 29'  3"    |EW     | 14.5                       |              
520579   V0579  Lyr   18h 50m 52.3s   43o 40' 11"    |EW     | 12.77                      |              
520580   V0580  Lyr   18h 51m 10.4s   35o 35' 56"    |EW     | 12.79                      |              
520581   V0581  Lyr   18h 53m 43.5s   37o 23' 35"    |EW     | 12.7                       |              
520582   V0582  Lyr   18h 55m 38.2s   40o 58' 57"    |EW     | 13.44                      |              
520583   V0583  Lyr   19h  5m 33.8s   39o 20'  3"    |EA     | 12.8                       |              
520589   V0589  Lyr   19h 25m 31.8s   42o 51' 13"    |EW     | 11.6                       |              
520591   V0591  Lyr   18h 24m 36.8s   38o 17' 34"    |EW     | 13.28       0.300395       |              
520592   V0592  Lyr   18h 30m 53.7s   34o  8' 10"    |EW     | 12.41       0.355682       |              
520594   V0594  Lyr   18h 45m 21.8s   45o 53' 28"    |EW     | 14.         0.256002       |              
520596   V0596  Lyr   18h 46m 55.1s   45o  0' 51"    |EW     | 12.09       0.299632       |              
520635   V0635  Lyr   18h 15m 11.1s   32o 29' 26"    |EA/S   | 14.4        3.221214      *|              
520648   V0648  Lyr   18h 23m 45.5s   41o  5' 48"    |EW     | 13.70       0.3687526      |              
520649   V0649  Lyr   18h 24m 26.9s   45o 39'  1"    |EW     | 14.06       0.292258       |              
520653   V0653  Lyr   18h 30m 16.5s   41o  5'  8"    |EW     | 11.21       0.468816       |              
520656   V0656  Lyr   18h 30m 31.5s   33o 55' 28"    |EW     | 13.2        0.40981        |              
520658   V0658  Lyr   18h 33m 36.1s   46o 35' 41"    |EW     | 11.25       0.330259       |              
520664   V0664  Lyr   18h 38m 24.5s   42o 36' 32"    |EW     | 12.77       0.34089        |              
520666   V0666  Lyr   18h 39m 23.9s   31o  0'  2"    |EW     | 12.25       0.5035         |              
520667   V0667  Lyr   18h 42m 32.2s   37o 55' 34"    |EA     | 12.0        1.4328         |              
520674   V0674  Lyr   19h  4m 29.2s   36o 39' 49"    |EW     | 14.9        0.300374       |              
520740   V0740  Lyr   18h 36m 41.2s   27o 55' 23"    |EW     | 11.0        0.328717       |              
520745   V0745  Lyr   18h 54m 22.2s   36o 51'  7"    |EA     |  8.77       4.30216        |B9-A0         
520748   V0748  Lyr   19h 10m 13.2s   29o 12' 32"    |EW     | 13.6        0.36200        |              
520806   V0806  Lyr   19h 21m 52.9s   41o 49' 21"    |EW     | 12.99       0.448554       |              
520831   V0831  Lyr   18h 16m 31.5s   43o  0'  0"    |EB     | 12.68       0.3652918      |              
520848   V0848  Lyr   18h 45m 44.9s   40o 17' 19"    |EW     | 13.65       0.3005475      |              
520852   V0852  Lyr   18h 52m 26.8s   44o 55' 20"    |EW     | 13.28       0.3775756      |              
520867   V0867  Lyr   19h  3m 48.9s   29o 42'  1"    |EB     | 12.14       0.6641100      |              
520869   V0869  Lyr   19h  4m  8.8s   29o 48'  2"    |EB     | 11.42       0.5440094      |              
520875   V0875  Lyr   19h  7m 47.6s   38o 55' 41"    |EA     |  7.60       1.540407       |kA2.5hF0mF0   
520887   V0887  Lyr   19h 15m 54.9s   33o 44' 53"    |EW     | 13.9        0.3582977      |              
529002   bet    Lyr   18h 50m  4.8s   33o 21' 45"    |EB     |  3.25      12.913834       |B8II-IIIep    
========================================================================================================