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Table 5.

Time ranges used to search for the second periodicity Pl.

String # HJD′range Δt n PDM Po (d) FAP GLS Pl (d) FAP
1 16 200–19 300 3100 375 32.311918 ± 0.026102 0.005(5) Not detected NA
2 24 000–26 100 2100 174 32.318880 ± 0.055707 0.009(9) ∼700 NA
3 26 800–31 000 4200 632 32.324103 ± 0.010448 0.008(8) 356 ± 8 0 ± 0
4 39 700–43 700 4000 648 32.338040 ± 0.010457 0.005(5) 500 ± 16 0 ± 0
5 44 000–46 200 2200 524 32.310178 ± 0.031318 0.005(5) 491 ± 27 0 ± 0
6 47 800–49 100 1300 231 32.324103 ± 0.262953 0.005(5) ∼525 NA
7 52 600–59 000 6400 1900 32.348501 ± 0.005232 0.005(5) 501± 44 0 ± 0

Notes. Δt is the range of days and n the number of data points. The orbital and long periods are given along with its false alarm probability (FAP); phase dispersion minimization (PDM) and generalized Lomb–Scargle periodograms (GLS) were used. For string 2 the residuals of the long-term tendency fitted with a third-order polynomial were used to determine the orbital period.

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