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Table 2:

Times of primary (P) and secondary (S) minima for BK Peg.

HJD
rms rms (O-C)/phasea Type Observing Reference
- 2 400 000 publ. adopt. days   methodb  

2426600.280
0.005   0.0072 P V D77
2427418.270   0.01 0.0005 P V L35
2427429.277   0.01 0.0277 P V -
2427698.252   0.01 -0.0029 P V -
2427709.224   0.01 -0.0108 P V -
2427764.158   0.01 0.0241 P V -
2428373.507   0.01 -0.0069 P V L37
2428395.473   0.01 -0.0006 P V -
2428428.424   0.01 0.0110 P V -
2428461.348   0.01 -0.0045 P V -
2428538.220   0.01 0.0088 P V -
2441587.7265 0.0010   -0.0019 P PE P83
2446737.244   0.01 -0.0204 P V B87
2448900.28902 0.00056   -0.00012 P PE D94
2450706.4701 0.0003   0.0004 P PE A03
2451052.3325 0.0007   -0.0015 P PE -
2454000.4181 0.0028   0.0021 P CCD H07
2427684.556   0.01 0.5047 S V L35
2427717.444   0.01 0.4953 S V -
2427739.416   0.01 0.4975 S V -
2427827.250   0.01 0.4968 S V -
2428480.560   0.01 0.4987 S V L37
2428513.497   0.01 0.4982 S V -
2428535.438   0.01 0.4949 S V -
2428546.449   0.01 0.5005 S V -
2428557.427   0.01 0.5002 S V -
2428579.368   0.01 0.4968 S V -
2441974.7539 0.0003   0.4976 S PE P83
2443786.43575 0.00025 0.00100 0.49967 S PE D94
2448886.56089 0.00100   0.49937 S PE -
2450319.4175 0.0004   0.4975 S PE A03
2451137.4160 0.0004   0.4979 S PE -
2451845.6124 0.0002   0.4975 S PE C10
2451867.5715 0.0008   0.4974 S PE -
2452136.580 0.002   0.4979 S CCD D01
2452910.6565 0.0002   0.4978 S PE C10

Notes. (a) O-C values (P) and phases (S) are calculated for the ephemeris given in Eq. (1). (b) Observing methods are: V = visual; PE = photoelectric; CCD = CCD.

References. A03 = Ak et al. (2003). B87 = Braune & Hübscher (1987). C10 = This paper. D77 = Dworak (1977). D94 = Demircan et al. (1994). D01 = Diethelm (2001). H07 = Hübscher & Walter (2007). L35 = Lause (1935). L37 = Lause (1937). P83 = Popper & Dumont (1977), redetermined.


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