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.

Per

From GCVS:
Nr.GCVS STAR  CONST.   RA   (2000)    DEC         Type   V [mag]     P [days]          Spec            
========================================================================================================
630009   Z      Per    2h 40m  3.2s   42o 11' 57"    |EA/S   |  9.7        3.0563066      |A0V+G0IV-V    
630012   RT     Per    3h 23m 40.4s   46o 34' 35"    |EA/S   | 10.46       0.84940032    *|F2V           
630014   RV     Per    4h 10m 38.0s   34o 15' 54"    |EA/S   | 10.3        1.9734926     *|A2            
630015   RW     Per    4h 20m 16.8s   42o 18' 51"    |EA/D   |  9.68      13.198904       |A5IIIe+G0III  
630017   RY     Per    2h 45m 42.1s   48o  8' 37"    |EA/S   |  8.50       6.8635663      |B5Vea+F6IV    
630020   ST     Per    3h  0m  5.7s   39o 11' 24"    |EA/S   |  9.52       2.648315       |A3V+G-K       
630047   WY     Per    3h 38m 24.2s   42o 40' 39"    |EA/S   | 11.5        3.3271615     *|A0            
630051   XZ     Per    4h  9m 27.6s   46o 34'  0"    |EA/S   | 11.4        1.15163412    *|G1            
630056   AB     Per    3h 37m 45.2s   40o 45' 49"    |EA/S   | 10.4        7.1602886      |A5            
630061   AG     Per    4h  6m 55.8s   33o 26' 46"    |EA/D   |  6.69       2.02870904    *|B3Vn+B3       
630077   AX     Per    1h 36m 22.7s   54o 15'  2"    |ZAND   |  9.4      681.6            |M3IIIep+A0    
630078   AY     Per    3h 10m 25.1s   50o 55' 54"    |EA/D   |  9.8       11.77664        |A0            
630080   BB     Per    3h 55m 25.6s   31o 30' 48"    |L      | 12.8                       |              
630083   BE     Per    3h 13m 48.9s   46o 10' 16"    |E      | 14.5                       |              
630092   BO     Per    3h  8m  3.5s   53o 38' 26"    |EA/D   | 12.0        4.580152      *|B9            
630093   BP     Per    3h 31m  6.7s   49o 24' 46"    |EB     | 11.7        1.978914       |              
630095   BR     Per    3h 57m  7.4s   32o  2' 59"    |CEP    | 13.1        4.001          |              
630102   BY     Per    1h 54m 35.6s   54o 48'  0"    |EA/S   | 13.2        1.152635      *|              
630104   CC     Per    1h 59m 37.1s   55o 59' 22"    |EB/S   | 14.0        2.47015        |              
630109   CH     Per    2h  4m 34.3s   53o 53' 12"    |EA/S   | 14.9        1.314649       |              
630111   CK     Per    2h  5m  6.7s   56o 10' 24"    |EA/S   | 15.2        2.37275        |              
630113   CM     Per    2h  5m 11.2s   57o 12' 25"    |EA/D   | 12.5       38.6365         |A3V           
630115   CO     Per    2h  7m 54.6s   57o 29' 21"    |EA/S   | 14.8        1.819184      *|              
630118   CR     Per    2h  9m 52.2s   57o 54' 32"    |EA/D   | 12.4       22.681          |              
630119   CS     Per    2h 11m 12.5s   58o 42' 48"    |EA/D   | 13.4       24.2560         |G0IV          
630125   CY     Per    2h 15m  1.6s   54o 13'  8"    |EA/S   | 15.6        3.09835       *|              
630130   DG     Per    2h 19m 19.8s   53o 35' 49"    |EA/D   | 13.1       56.770          |              
630131   DH     Per    2h 22m  1.5s   53o  8' 33"    |EA/S   | 14.5        2.84060       *|              
630133   DK     Per    2h 23m 45.6s   57o 59' 23"    |EB/S   | 12.3        0.898876       |              
630135   DM     Per    2h 25m 58.0s   56o  6' 10"    |EA/S   |  7.86       2.7277427     *|B5V           
630141   DS     Per    2h 31m 20.0s   57o 27' 38"    |EA/S   | 15.1        2.64135        |              
630144   DV     Per    2h 32m 36.7s   53o  9' 31"    |EB/S   | 14.4        0.807137       |              
630146   DX     Per    2h 34m 48.4s   56o 17' 51"    |EA/S   | 15.2        2.91199       *|              
630148   DZ     Per    2h 35m 57.2s   56o  8' 46"    |EB/K   | 14.4        0.7641654      |              
630157   EN     Per    2h 42m 50.5s   51o 53' 11"    |EA/D   | 13.4       10.24665       *|              
630160   EQ     Per    2h 55m 58.6s   52o 10' 24"    |EA/S   | 14.0        1.48579       *|              
630167   EX     Per    2h 24m 12.4s   52o  9'  8"    |EA/D   | 12.0        8.47614        |A1            
630170   FF     Per    3h 52m 36.6s   47o 28' 52"    |EA/S   | 15.3        3.465161       |              
630172   FH     Per    3h 54m 39.4s   47o  6' 38"    |EA/S   | 14.6        4.36406        |              
630180   FQ     Per    4h 10m 45.0s   45o 29' 43"    |EA/S   | 13.5        3.976942      *|              
630186   FW     Per    4h 27m 44.6s   52o 28' 51"    |EA/S   | 14.3        0.7912215     *|              
630187   FX     Per    4h 34m 41.5s   44o 13' 53"    |EA/S   | 14.1        5.20579        |              
630211   HK     Per    4h 36m 25.0s   41o 36' 14"    |EA/S   | 13.1        2.174614      *|              
630216   HP     Per    4h 43m 31.2s   39o 42' 45"    |EA/D   | 14.9       62.6197        *|              
630219   HS     Per    1h 52m 11.6s   57o  6' 43"    |EA     | 13.0                       |A0II-III      
630221   HU     Per    3h 42m 33.2s   39o  6'  3"    |EA/D   | 10.9       17.2544         |A             
630222   HV     Per    3h 45m  4.9s   37o 47' 15"    |EA/S   | 12.8        2.95343        |              
630223   HW     Per    3h 58m 46.1s   44o 44'  5"    |EB/K   | 13.0        0.634828       |              
630225   HY     Per    4h 20m 56.3s   50o 52'  7"    |EA     | 14.8        2.483426       |              
630227   II     Per    4h 29m 37.6s   44o 25' 40"    |EB/K   | 13.5        0.479854       |              
630228   IK     Per    4h 29m 27.5s   42o  3' 10"    |EB/K   | 11.3        0.6760369      |A2            
630230   IM     Per    3h 11m 42.3s   52o 12' 42"    |E/DM   | 12.0        2.25422        |              
630234   IQ     Per    3h 59m 44.7s   48o  9'  4"    |EA/D   |  7.72       1.7435701      |B8Vp          
630237   IT     Per    2h 43m 19.9s   43o 43' 24"    |EA/S   |  9.9        1.533726       |A1            
630238   IU     Per    2h 59m 36.4s   43o 55' 19"    |EA/S   | 10.5        0.8570251     *|A4            
630243   IZ     Per    1h 32m  5.5s   54o  1'  8"    |EA/S   |  7.8        3.687673      *|B8            
630245   KL     Per    2h 41m 16.5s   48o 56' 18"    |EA/S   | 11.0        2.223080      *|A2            
630247   KN     Per    3h 22m 35.6s   41o 19' 55"    |RRC    | 11.2        0.433224       |A4-A6         
630250   KQ     Per    3h 53m  3.2s   52o 20' 51"    |EA/S   | 12.8        5.37737        |              
630251   KR     Per    4h 37m  8.9s   44o 12' 39"    |EB/K   | 10.4        0.99607883    *| OB-          
630256   KW     Per    1h 59m 60.0s   53o 13' 24"    |EB/S   | 10.5        0.93125884     |A2            
630267   LS     Per    2h 57m  8.8s   37o 53' 40"    |EA/S   | 11.5        2.915693      *|A7IV          
630269   LU     Per    3h  0m 55.2s   50o 48' 38"    |EA/S   | 14.9                       |              
630272   LX     Per    3h 13m 22.4s   48o  6' 31"    |EA/A   |  8.10       8.038207      *|G5IV+G5IV     
630281   MS     Per    4h  1m 12.2s   49o 33' 11"    |EB     | 11.9        2.779526       |              
630283   MU     Per    4h  2m 45.1s   52o 12' 17"    |IS     | 15.5                       |              
630290   NO     Per    4h 15m 41.8s   48o 40' 42"    |EA     | 11.5                       |              
630291   NP     Per    4h 14m 57.8s   31o 26' 44"    |EA/D   | 12.2        4.457161      *|              
630301   NZ     Per    4h 27m 59.5s   37o 50' 30"    |EA/D   | 11.7        0.9379188     *|F2            
630311   OX     Per    4h 46m 18.0s   36o 57' 24"    |EA/S   | 14.7        3.05621       *|              
630312   OY     Per    1h 34m 53.8s   53o 39' 31"    |EA/S   | 15.0                       |              
630317   PS     Per    2h 39m 33.3s   45o 38'  5"    |EA/S   | 13.0        0.7021775      |F5p           
630327   QS     Per    3h  5m  1.4s   36o 24' 45"    |EA/S   | 15.5        2.338103      *|              
630328   QT     Per    3h  6m  9.8s   47o 17'  1"    |EW/K   | 14.2        0.852          |              
630329   QU     Per    3h  5m 54.7s   40o 41' 12"    |EA/S   | 12.2        2.400936       |A2Ve          
630330   QV     Per    3h  9m 31.7s   38o 21' 15"    |EA/S   | 14.8        1.2590555     *|              
630331   QW     Per    3h 12m 43.0s   38o 57' 57"    |EA/S   | 14.6        0.8256865     *|              
630332   QX     Per    3h 15m 11.5s   39o 34' 48"    |EA/S   | 15.6        4.849327      *|              
630337   V0337  Per    3h 31m 10.5s   34o 29' 20"    |EA/S   | 12.8        1.88608       *|A             
630339   V0339  Per    3h 50m  8.0s   33o 48' 36"    |EA/S   | 15.7        1.099031       |              
630340   V0340  Per    3h 54m 12.9s   35o  2' 19"    |EA/S   | 12.8        4.37102       *|              
630364   V0364  Per    2h 44m  0.8s   36o 17' 28"    |EW/K   | 14.6        0.3394669      |              
630365   V0365  Per    2h 43m 58.3s   40o 50' 57"    |EA     | 14.2        3.024338      *|              
630366   V0366  Per    2h 44m 10.6s   36o 35' 11"    |EA/S   | 13.7        1.4219831     *|              
630379   V0379  Per    3h 57m 57.4s   31o 22' 37"    |EA     | 13.5                       |              
630427   V0427  Per    2h 59m 31.2s   39o 26' 44"    |EA/S   | 11.6        2.810055      *|              
630432   V0432  Per    3h 10m 10.8s   42o 52'  9"    |EW/K   | 11.0        0.321517       |              
630434   V0434  Per    3h 21m 36.0s   40o 19' 22"    |EW/K   | 14.4        0.536098       |              
630436   V0436  Per    1h 51m 59.3s   55o  8' 50"    |EA/D   |  5.49      25.9359         |B1.5V         
630449   V0449  Per    2h 57m 33.5s   35o 14'  1"    |EA/K   | 12.7        0.946204      *|              
630450   V0450  Per    2h 59m 15.3s   41o 45' 23"    |EA     | 13.0        0.948666      *|              
630457   V0457  Per    3h 11m 14.1s   36o 59' 25"    |EA/S   | 14.4        1.1702843     *|              
630462   V0462  Per    3h 26m 31.3s   35o 44' 59"    |EB/K   | 13.7        1.155933       |              
630476   V0476  Per    2h 39m 21.1s   43o 37'  0"    |EW     | 14.6                       |              
630482   V0482  Per    4h 15m 41.3s   47o 25' 19"    |EA/D   | 10.6                       |              
630505   V0505  Per    2h 21m 13.0s   54o 30' 36"    |EA/D   |  6.87                      |              
630511   V0511  Per    3h 26m 25.5s   40o 27' 30"    |EA/D   |  8.1                       |              
630514   V0514  Per    3h 19m 38.9s   50o  6' 53"    |E      | 11.4                       |              
630570   V0570  Per    3h  9m 34.9s   48o 37' 28"    |EB     |  8.15                      |              
630572   V0572  Per    3h 15m 48.7s   50o 57' 21"    |EA     |  6.50                      |              
630578   V0578  Per    3h 34m  9.9s   46o 50' 57"    |EB     |  8.94                      |              
630579   V0579  Per    3h 39m 12.2s   41o 16' 57"    |RRC    |  7.87                      |              
630592   V0592  Per    4h 44m 33.0s   39o 52' 31"    |EB     |  8.30                      |              
630593   V0593  Per    4h 47m 43.1s   40o 13' 57"    |EB     |  8.67                      |              
630600   V0600  Per    3h 19m  1.4s   32o 41' 16"    |EB     |  7.62                      |              
630615   V0615  Per    2h 19m  1.7s   57o  7' 19"    |EA     | 12.98                      |              
630618   V0618  Per    2h 19m 11.7s   57o  6' 39"    |EA     | 14.60                      |              
630680   V0680  Per    2h 41m 41.0s   35o 42' 54"    |EW     | 13.55       0.3739783      |              
630723   V0723  Per    1h 53m 59.7s   53o 28'  5"    |EB     | 12.24       0.7961         |              
630725   V0725  Per    2h 10m 27.0s   48o 46' 40"    |EA     |  9.97       8.8695         |A0            
630728   V0728  Per    2h 43m 52.2s   46o  3' 43"    |EA     | 12.07       1.8771         |A8            
630731   V0731  Per    3h 15m 48.2s   44o  3' 57"    |EA     | 12.2        7.2778         |              
630732   V0732  Per    3h 23m 19.2s   51o 23' 29"    |EA     | 11.32       4.50655        |B9            
630736   V0736  Per    3h 39m 41.4s   37o 47' 32"    |EA     |  9.73       3.76674        |A4IV          
630737   V0737  Per    3h 40m 20.2s   33o  4'  7"    |EW     | 12.65       0.366556       |              
630740   V0740  Per    4h  4m 49.3s   33o 57' 25"    |EW     | 11.22       0.373042       |              
630751   V0751  Per    1h 30m 53.1s   53o 25' 38"    |EA     | 11.46       5.9613         |              
630753   V0753  Per    1h 51m 15.7s   57o 50' 10"    |EA     | 12.98       2.2002         |              
630754   V0754  Per    2h  3m 28.3s   58o 54' 13"    |EA     | 11.97       5.3364         |              
630871   V0871  Per    2h 44m 15.9s   56o 40' 55"    |EA     | 10.92       3.0240         |B             
630873   V0873  Per    2h 47m  8.2s   41o 22' 31"    |EW     | 10.8        0.2949039      |K0V           
630877   V0877  Per    2h 57m 10.0s   53o 18'  1"    |EA     | 13.91       1.1110         |              
630881   V0881  Per    2h 59m 53.1s   38o  1' 48"    |EW     | 10.71       0.387374       |K0IV          
630882   V0882  Per    3h  3m 53.4s   57o  3' 34"    |EA     | 11.90       1.28482        |              
630884   V0884  Per    3h  6m 20.5s   48o 33' 12"    |EA     | 10.73      12.807          |              
630885   V0885  Per    3h  6m 21.7s   54o 47'  2"    |EW     | 13.1        0.30386        |              
630887   V0887  Per    3h  9m 18.8s   43o 44' 53"    |EA     |  9.91       1.53444        |              
630888   V0888  Per    3h  9m 37.6s   50o 53' 31"    |EA     | 11.38       5.4957         |A3            
630890   V0890  Per    3h 12m 54.7s   50o 29' 35"    |EA     | 12.00      24.146          |              
630899   V0899  Per    3h 38m 45.0s   40o 14' 13"    |EA     | 12.88       8.5267         |              
630901   V0901  Per    3h 41m 57.1s   39o  7' 29"    |EA     | 10.55       3.2554         |G5            
630912   V0912  Per    3h 44m 32.2s   39o 59' 34"    |EA/R   | 12.23       0.577545       |K4V           
630930   V0930  Per    3h 56m 52.6s   51o 51' 55"    |EA     | 12.60       2.4689         |              
630947   V0947  Per    4h  3m 41.0s   32o 27'  5"    |EW     | 13.45       0.29768        |              
630951   V0951  Per    4h 10m 36.3s   34o  2' 58"    |EW     | 12.70       0.27048        |              
630958   V0958  Per    4h 31m 28.4s   32o 52' 12"    |EA     | 11.77       4.9002         |A7            
630959   V0959  Per    4h 35m  4.8s   37o 28' 20"    |EA     | 10.11       0.990715       |F0            
630960   V0960  Per    4h 37m 15.3s   33o 48' 48"    |EA     | 11.66       4.5265         |              
630963   V0963  Per    4h 45m 35.6s   52o 22' 35"    |EB     | 13.2        0.4621         |              
630964   V0964  Per    4h 49m 31.1s   51o 31' 11"    |EW     | 12.50       0.4173         |              
630966   V0966  Per    1h 36m 42.4s   54o 15' 21"    |EA     | 13.03       4.30885        |B5V           
630967   V0967  Per    1h 54m 51.3s   54o 44' 37"    |EW     | 13.32       0.3593411      |              
630968   V0968  Per    1h 55m 12.5s   54o 42'  8"    |EB     | 14.28       0.623394       |              
630980   V0980  Per    2h 34m 53.8s   57o 56' 25"    |EB     | 15.17       0.514411       |              
630982   V0982  Per    2h 38m 24.0s   56o 31' 56"    |EA     | 12.85       4.60550        |              
630996   V0996  Per    3h  0m 31.1s   37o 59'  7"    |EW     | 14.27       0.388001       |              
631009   V1009  Per    3h 16m 49.5s   33o 30' 15"    |EW     | 13.54       0.2341364      |              
631010   V1010  Per    3h 17m 52.5s   32o  0' 12"    |EW     | 13.24       0.7980638      |              
631020   V1020  Per    3h 41m 32.0s   33o  7' 37"    |EW     | 13.09       0.438928       |              
631035   V1035  Per    4h 25m 46.0s   31o 51' 38"    |EW     | 13.55       0.28827        |              
631047   V1047  Per    4h 28m 39.6s   48o 35' 55"    |EA     |  9.75       1.9105         |B5            
631056   V1056  Per    1h 34m 58.5s   54o 16' 38"    |EW     | 11.44       0.371135       |              
631071   V1071  Per    2h 32m 14.6s   55o 56' 24"    |EW     | 10.94       0.3598476      |              
631092   V1092  Per    3h 26m 38.9s   42o 43' 24"    |EW     |  9.88       0.35171        |G0V           
631096   V1096  Per    3h 57m 17.9s   32o  6' 19"    |EW     | 11.80       0.3182494      |              
631107   V1107  Per    4h 37m  2.0s   42o  5' 52"    |EA     | 10.72       1.454717       |A3            
639002   bet    Per    3h  8m 10.1s   40o 57' 20"    |EA/S   |  2.12       2.8673043     *|B8V           
639102   b      Per    4h 18m 14.6s   50o 17' 43"    |ELL    |  4.52       1.5273643      |A2V           
========================================================================================================