\begin{table}%T2
      \caption{\label{parameters}Power-spectral classification and variability parameters$^{{a}}$.}
  %\centering
\par
         \begin{tabular}{ccccccccc}
            \hline\hline\noalign{\smallskip}
                      Obs.~Id. & Date & MJD & ~QPO~Type~ & $\nu_{\rm qpo}$ &
            ~~{\it FWHM}$_{\rm qpo}$ & rms$_{\rm qpo}^{{b}}$ & \multicolumn{1}{c}{Phase
            Lag$^{{c}}$} & \multicolumn{1}{c}{0.03$-$64~Hz~rms$^{{b}}$} \\
          	     & & & & (Hz) & (Hz) & \% & \multicolumn{1}{c}{(rad)} & 
\multicolumn{1}{c}{(\%)} \\
          	   \noalign{\smallskip} \hline\noalign{\smallskip}
                     40124-01-04-00  & ~1999~Oct.~11~ & ~51~462.768~ & C & 1.2 & 0.18
            & 16.61 & $~~0.00\pm0.01$ & $29.8\pm0.3$\\
           40124-01-05-00  & 1999~Oct.~12 & 51~463.833 & C & 3.05 & 0.31
            & 13.48 & $-0.04\pm0.01$ & $24.9\pm0.2$ \\
           40124-01-06-00  & 1999~Oct.~13 & 51~464.109 & C & 3.64 & 0.46
            & 13.43 & $-0.07\pm0.01$ & $22.9\pm0.1$ \\
           40124-01-07-00  & " & 51~464.633 & C & 3.65 & 0.46
            & 12.97 & $-0.04\pm0.01$ & $23.1\pm0.2$ \\
           40124-01-08-00  & 1999~Oct.~14 & 51~465.305 & C & 4.39 & 0.48
            & 11.85 & $-0.08\pm0.01$ & $20.78\pm0.08$ \\
           40124-01-09-00  & " & 51~465.498 & C & 4.95 & 0.56
            & 10.85 & $-0.09\pm0.01$ & $19.16\pm0.08$ \\
           40124-01-10-00  & " & 51~465.902 & C & 5.81 & 0.72
            & 8.52 & $-0.14\pm0.01$ & $16.2\pm0.1$ \\
                       40124-01-11-00  & 1999~Oct.~15 & 51~466.896 & C & 5.97 & 0.65
            & 8.11 & $-0.18\pm0.01$ & $16.0\pm0.08$ \\
           40124-01-12-00  & 1999~Oct.~16 & 51~467.581 & A & 7.75 & 3.85
            & 1.75 & $-0.33\pm0.07$ & $2.76\pm0.05$ \\
           40124-01-13-00  & " & 51~467.961 & B & 6.08 & 0.45
            & 2.10 & $~~0.07\pm0.07$ & $4.5\pm0.06$ \\
           40124-01-13-00  & " & 51~467.973 & A & 8.42 & 2.885
            & 1.62 & $-0.3\pm0.1$ & $2.8\pm0.1$ \\
           40124-01-14-00  & 1999~Oct.~17 & 51~468.427 & C$^{*}$ & 8.64 & 2.37
            & 2.83 & $-0.56\pm0.04$ & $7.67\pm0.04$ \\
           40124-01-14-00  & " & 51~468.427 & B & 6.43 & 0.82
            & 3.13 & $~~0.3\pm0.09$ & $6.1\pm0.1$ \\
           40122-01-01-03  & 1999~Oct.~18 & 51~469.093 & B & 5.96 & 0.75
            & 3.04 & $~~0.23\pm0.04$ & $5.02\pm0.04$ \\
           40122-01-01-02  & " & 51~469.159 & B & 5.96 & 0.85
            & 2.52 & $~~0.13\pm0.04$ & $4.83\pm0.05$ \\
           40122-01-01-02  & " & 51~469.179 & A & 7.85 & 3.26
            & 1.79 & $-0.02\pm0.1$ & $2.9\pm0.1$ \\
           40122-01-01-01  & " & 51~469.226 & A & 7.74 & 5.22
            & 1.37 & $-0.84\pm0.2$ & $2.1\pm0.1$ \\
           40122-01-01-00  & " & 51~469.293 & A & 7.59 & 3.81
            & 1.64 & $-0.33\pm0.1$ & $2.16\pm0.09$ \\
           40122-01-01-00  & " & 51~469.360 & B & 5.94 & 0.80
            & 2.02 & $~~0.125\pm0.06$ & $4.40\pm0.06$ \\
           40124-01-16-00  & " & 51~469.493 & C$^{*}$ & 8.45 & 3.54
            & 3.10 & $-0.49\pm0.04$ & $7.69\pm0.07$ \\
           40124-01-16-00  & " & 51~469.517 & C$^{*}$ & 7.7 & 1.36
            & 4.53 & $-0.29\pm0.04$ & $8.28\pm0.09$ \\
           40124-01-17-00  & " & 51~469.893 & C$^{*}$ & 7.89 & 1.17
            & 3.22 & $-0.41\pm0.07$ & $9.6\pm0.1$ \\
           40124-01-17-00  & " & 51~469.899 & C$^{*}$ & 7.54 & 1.58
            & 5.07 & $-0.26\pm0.04$ & $10.6\pm0.1$ \\
           40124-01-17-00  & " & 51~469.905 & C$^{*}$ & 7.27 & 1.19
            & 5.46 & $-0.22\pm0.04$ & $11.7\pm0.1$ \\
           40124-01-18-00  & 1999~Oct.~20 & 51~471.024 & C & 5.88 & 0.42
            & 6.98 & $-0.17\pm0.015$ & $15.81\pm0.07$ \\
           40124-01-19-00  & " & 51~471.224 & C & 5.18 & 0.61
            & 9.10 & $-0.15\pm0.015$ & $18.11\pm0.07$ \\
           40124-01-20-00  & " & 51~471.890 & C & 6.47 & 0.80
            & 6.59 & $-0.25\pm0.025$ & $14.04\pm0.07$ \\
           40124-01-21-00  & 1999~Oct.~21 & 51~472.503 & C & 6.34 & 0.90
            & 7.29 & $-0.2\pm0.02$ & $14.49\pm0.06$ \\
           40124-01-15-00  & 1999~Oct.~22 & 51~473.245 & C & 6.13 & 0.72
            & 7.11 & $-0.22\pm0.04$ & $15.5\pm0.1$ \\
           40124-01-23-00  & " & 51~473.822 & C$^{*}$ & 6.92 & 0.93
            & 5.68 & $-0.27\pm0.03$ & $12.79\pm0.09$ \\
           40124-01-23-01  & " & 51~473.890 & C$^{*}$ & 7.73 & 1.59
            & 4.00 & $-0.43\pm0.03$ & $9.85\pm0.07$ \\
           40124-01-15-02  & 1999~Oct.~23 & 51~474.088 & C$^{*}$ & 7.39 & 4.52
            & 3.63 & $-0.43\pm0.03$ & $7.91\pm0.08$ \\
           40124-01-24-00  & " & 51~474.429 & B -- Cath. & 5.84 & 0.81
            & 3.62 & $~~0.23\pm0.04$ & $6.27\pm0.06$ \\
           40124-01-25-00  & " & 51~474.820 & C & 6.19 & 0.68
            & 7.18 & $-0.22\pm0.02$ & $14.9\pm0.1$ \\
           40124-01-26-00  & 1999~Oct.~24 & 51~475.154 & C$^{*}$ & 7.06 & 0.95
            & 5.06 & $-0.29\pm0.03$ & $12.28\pm0.08$ \\
           40124-01-26-00  & " & 51~475.166 & C$^{*}$ & 7.24 & 1.06
            & 4.43 & $-0.34\pm0.03$ & $11.31\pm0.07$ \\
           40124-01-26-00  & " & 51~475.177 & C$^{*}$ & 7.73 & 1.36
            & 3.54 & $-0.40\pm0.03$ & $9.84\pm0.07$ \\
           40124-01-26-00  & " & 51~475.218 & C$^{*}$ & 7.75 & 1.72
            & 3.70 & $-0.45\pm0.02$ & $9.29\pm0.04$ \\
           40124-01-26-00  & " & 51~475.252 & C$^{*}$ & 7.56 & 1.24
            & 3.65 & $-0.33\pm0.03$ & $10.35\pm0.07$ \\
           40124-01-27-00  & " & 51~475.428 & B -- Cath. & 5.79 & 0.84
            & 4.28 & $~~0.25\pm0.07$ & $6.2\pm0.1$ \\
           40124-01-28-00  & 1999~Oct.~25 & 51~476.428 & C$^{*}$ & 7.64 & 2.1
            & 2.91 & $-0.48\pm0.03$ &  $8.69\pm0.06$ \\
           40124-01-28-01  & " & 51~476.501 & C$^{*}$ & 7.52 & 1.53
            & 4.22 & $-0.36\pm0.04$ & $10.27\pm0.08$ \\
           40124-01-29-00  & 1999~Oct.~26 & 51~477.152 & C$^{*}$ & 7.54 & 2.4
            & 3.66 & $-0.42\pm0.02$ & $8.99\pm0.04$ \\
           40124-01-30-00  & 1999~Oct.~27 & 51~478.017 & B & 5.06 & 0.7
            & 3.79 & $~~0.17\pm0.04$ & $5.36\pm0.05$ \\
           40124-01-31-00  & " & 51~478.777 & C$^{*}$ & 7.26 & 0.96
            & 3.97 & $-0.33\pm0.03$ & $11.12\pm0.07$ \\
           40122-01-02-00  & " & 51~478.816 & C$^{*}$ & 7.77 & 1.31
            & 2.74 & $-0.40\pm0.05$ & $9.51\pm0.08$ \\
           40122-01-02-00  & " & 51~478.844 & C$^{*}$ & 7.77 & 1.89
            & 3.38 & $-0.44\pm0.05$ & $8.9\pm0.1$ \\
           40122-01-02-00  & " & 51~478.882 & C$^{*}$ & 7.38 & 1.25
            & 4.00 & $-0.36\pm0.04$ & $10.72\pm0.09$ \\
           40122-01-02-00  & " & 51~478.913 & C$^{*}$ & 7.54 & 1.39
            & 3.59 & $-0.40\pm0.04$ & $10.45\pm0.08$ \\
           40122-01-02-00  & " & 51~478.949 & C$^{*}$ & 7.04 & 0.96
            & 4.84 & $-0.37\pm0.03$ & $11.99\pm0.07$ \\
           40122-01-02-00  & " & 51~478.980 & C$^{*}$ & 7.46 & 1.03
            & 3.12 & $-0.49\pm0.05$ & $10.01\pm0.08$ \\
           40124-01-36-00  & 1999~Nov.~01 & 51~483.117 & B & 4.69 & 0.63
            & 4.06 & $~~0.16\pm0.03$ & $5.58\pm0.07$ \\
            40124-01-36-00  & " & 51~483.158 & B & 4.69 & 0.54
            & 3.93 & $~~0.22\pm0.04$ & $5.88\pm0.06$ \\
           40124-01-37-00  & " & 51~483.945 & B & 4.59 & 0.54
            & 4.31 & $~~0.16\pm0.03$ & $5.80\pm0.05$ \\
           40124-01-37-01  & 1999~Nov.~02 & 51~484.077 & B & 4.53 & 0.62
            & 4.05 & $~~0.07\pm0.05$ & $4.89\pm0.15$ \\
             40124-01-37-02  & " & 51~484.276 & B & 4.45 & 0.61
            & 4.03 & $~~0.09\pm0.03$ & $4.33\pm0.06$ \\
              \hline
	    40124-01-39-00  & " & 51~485.875 & ? & 5.61 & 2.3
            & 2.68 & --0.51~$\pm$ 0.04 & 4.1~$\pm$ 0.1 \\
                               40124-01-40-00  & 1999~Nov.~04 & 51~486.828 & ? & 5.37 & 1.7
            & 3.00 & --0.43~$\pm$ 0.07 & 3.1~$\pm$ 0.3 \\
           40124-01-40-01  & " & 51~486.873 & ? & 5.22 & 1.3
            & 2.89 & --0.3~$\pm$ 0.1 & 4.0~$\pm$ 0.2 \\
           40124-01-41-00  & 1999~Nov.~05 & 51~487.009 & ? & 4.74 & 1.3
            & 2.18 & --0.42~$\pm$ 0.05 & 3.5~$\pm$ 0.1 \\
           40124-01-42-00  & 1999~Nov.~06 & 51~488.409 & ? & 7.08 & 2.4
            & 1.75 & --0.88~$\pm$ 0.06 & 4.46~$\pm$ 0.08 \\
           40124-01-49-01  & 1999~Nov.~15 & 51~497.255 & ? & 5.21 & 1.9
            & 2.82 & --0.36~$\pm$ 0.07 & 4.1~$\pm$ 0.2 \\
           40124-01-58-01  & 1999~Dec.~15 & 51~527.004 & ? & 9.1 & 0.8
            & 2.17 & ~~0.0~$\pm$ 0.2 & 8.9~$\pm$ 0.2 \\
           40124-01-59-00  & 1999~Dec.~18 & 51~530.133 & ? & 8.15 & 2.1
            & 2.91 & ~~0.0~$\pm$ 0.2 & 6.71~$\pm$ 0.25 \\
           40124-01-61-00  & 2000~Jan.~03 & 51~546.036 & ? & 4.65 & 0.8
            & 2.3  & --0.17~$\pm$ 0.25 & 4.3~$\pm$ 0.4 \\
 \hline
         \end{tabular} 
  \smallskip
$^{{a}}$ Only observations with evidence for low frequency~QPO
  are listed.\\
$^{{b}}$ Normalization according to Belloni \& Hasinger (\cite{Belloni90}).\\
$^{{c}}$ Phase lag in radians between the 2$-$5 and 5$-$13~keV light
  curves and integrated over the frequency range~$\nu_{\rm qpo}\pm{\it FWHM}$/2.
   \end{table}