\begin{table}%t2 \caption{\label{tab2}Periodic variable catalogue. The complete catalogue is available electronically at the CDS.} \small%\centerline { \begin{tabular}{ccccccccc} \hline\hline %&&&&&&&& \\[-8pt] ID & $I$[mag] & FAP$_{\rm scargle}$$^a$ & $\rm FAP_{Ftest}$$^b$ & $P^c$[days] & $P_{\rm err}$$^d$[days] & $P_{\rm H2002}$$^e$[days] & $P_{\rm adopt}$$^f$[days] & PTP$^g$[mag]\\[2pt] \hline 1& 15.535& 1.13E-05& 2.87E-02& 0.710& 0.014& ... & 0.710 &0.019\\ 11& 15.139& 6.34E-09& 1.08E-07& 1.740& 0.035& 1.730& 1.740 &0.030\\ 87& 16.194& 6.34E-11& 1.65E-12& 3.100& 0.062& 3.110& 3.100 &0.020\\ 1002& 15.019& 3.54E-09& 3.07E-09& 3.980& 0.080& 3.940 & 3.980 &0.572\\ 1032& 15.993& 1.50E-09& 6.90E-09& 0.460& 0.009& ... & 0.460 &0.061\\ 3001& 15.533& 1.84E-10& $<$1.00E-15& 3.240& 0.065& 3.310 & 3.240 &0.034\\ 3002& 15.745& 2.22E-11& $<$1.00E-15& 1.410& 0.028& 1.410 & 1.410 &0.043\\ 10054& 20.031& 1.86E-03& 9.73E-02& 0.830& 0.017& ... & 0.830 &0.258\\ 10147& 19.428& 2.14E-06& 9.43E-03& 2.680& 0.054& ... & 2.680 &0.118\\ 10226& 17.643& 1.97E-12& $<$1.00E-15& 2.390& 0.048& ... & 2.390 &0.293\\ 10310& 18.209& 1.13E-12& $<$1.00E-15& 2.650& 0.053& ... & 2.650 &0.072\\ 10313& 17.766& 1.36E-09& 3.99E-09& 11.900& 0.238& ... & 11.900 &0.062\\ 10327& 19.120& 1.18E-08& 9.14E-09& 2.580& 0.052& 2.590 & 2.580 &1.240\\ 10336& 16.958& $<$1.00E-15& $<$1.00E-15& 8.400& 0.168& ... & 8.400 &0.256\\ 10349& 18.237& 1.85E-09& $<$1.00E-15& 9.900& 0.198& 9.560 & 9.900 &0.297\\ 20033& 15.456& 1.25E-11& 1.67E-14& 1.260& 0.025& ... & 1.260 & 0.090\\ 20035& 16.823& 1.90E-08& 2.54E-05& 7.300& 0.146& ... & 7.300 & 0.180\\ 20124& 17.871& 3.60E-12& $<$1.00E-15& 4.420& 0.088& ... & 4.420 & 0.807\\ 20167& 17.682& 2.04E-11& 5.55E-15& 1.130& 0.023& ... & 1.130 & 0.377\\ 20297& 19.436& 6.86E-05& 3.27E-02& 3.920& 0.078& ... & 3.920& 0.433\\ 20317& 17.882& 8.72E-11& 1.50E-13& 6.990& 0.140& ... & 6.990& 0.121\\ 20347& 19.013& 1.38E-05& 5.92E-02& 1.200& 0.024& ... & 1.200& 0.134\\ 20518& 18.456& 2.26E-12& $<$1.00E-15& 4.110& 0.082& ... & 4.110& 0.915\\ 20532& 20.254& 2.16E-04& 4.06E-01& 0.460& 0.009& ... & 0.460& 0.315\\ 21614& 16.169& 9.00E-08& 5.20E-05& 0.330& 0.007& ... & 0.330 & 0.048\\ \hline \end{tabular}} \medskip $^a$ False alarm probability computed from the Scargle time series analysis; $^b$~false alarm probability computed from the Ftest; $^c$~rotational period measured in this study; $^d$~error of the derived rotational period; $^e$~rotational period found by H2002; $^f$~final rotational period adopted; $^g$~peak-to-peak amplitude of the modulation. \end{table}