\begin{table}%t6 
\par
\caption{\label{t-ccf}The time lag and CCF coefficient for the
continuum and H$\beta,\alpha$ line (total line and parts) using ZDCF
method.}
\small%%\centering

\par
\begin{tabular}{cccccc}
\hline\hline\noalign{\smallskip}
Pair I& Pair II &Lag (ZDCF)  &  ZDCF & Lag (centroid) & 90\% Max$_{\rm ZDCF}$ \\
      &         &    (days)  &        &  (days)      &              \\
\hline
\noalign{\smallskip}
$F_{\rm cnt}$& $F$(H$\beta)_{\rm tot}$& $\rm 96^{+28}_{-47}$ & $\rm 0.92^{+0.02}_{-0.02}$ & $\rm 93^{+20}_{-18}$ &0.83\\
$F_{\rm cnt}$&$F$(H$\beta)_{\rm blue}$& $\rm 96^{+47}_{-28}$ & $\rm 0.92^{+0.02}_{-0.02}$  & $\rm 71^{+34}_{-26}$ &0.83\\
$F_{\rm cnt}$&$F$(H$\beta)_{\rm red}$& $\rm 96^{+47}_{-28}$ & $\rm 0.92^{+0.02}_{-0.02}$  & $\rm 70^{+34}_{-26}$ &0.83\\
$F_{\rm cnt}$&$F$(H$\beta)_{\rm core}$& $\rm 96^{+47}_{-28}$ &  $\rm 0.91^{+0.02}_{-0.02}$ & $\rm 72^{+33}_{-26}$&0.82 \\
F(H$\beta$)$_{\rm blue}$&$F$(H$\beta$)$_{\rm red}$& $\rm 6^{+36}_{-6}$ & $\rm 0.96^{+0.01}_{-0.01}$ &$\rm -5^{+28}_{-30}$ &0.87 \\
F(H$\beta$)$_{\rm blue}$&$F$(H$\beta$)$_{\rm core}$& $\rm 6^{+36}_{-6}$ & $\rm 0.94^{+0.01}_{-0.01}$ &$\rm -4^{+28}_{-29}$ &0.85
\\
\noalign{\smallskip}
$F_{\rm cnt}$&$F$(H$\alpha)_{\rm tot}$& $\rm 24^{+7}_{-5}$ & $\rm 0.90^{+0.05}_{-0.07}$ & $\rm 127^{+18}_{-18}$ & 0.81  \\
& &&  \\
& &($\rm 151^{+20}_{-9}$)& $\rm 0.90(^{+0.05}_{-0.06}$) \\
\noalign{\smallskip}
$F_{\rm cnt}$&$F$(H$\alpha)_{\rm blue}$& $\rm 64^{+26}_{-21}$ & $\rm 0.92^{+0.04}_{-0.06}$ & $\rm 76^{+14}_{-13}$ & 0.83\\
& & ($\rm 175^{+25}_{-12}$) & ($\rm 0.90^{+0.05}_{-0.06}$) \\
$F_{\rm cnt}$&$F$(H$\alpha)_{\rm red}$ & $\rm 23^{+7}_{-5}$ & $\rm 0.87^{+0.07}_{-0.09} $ & $\rm 75^{+14}_{-14}$ &0.79 \\
& &($\rm 175^{+24}_{-12}$) &($\rm 0.81^{+0.08}_{-0.10}$) \\
& &&   \\
$F_{\rm cnt}$&$F$(H$\alpha)_{\rm core}$& $\rm 64^{+26}_{-21}$ & $\rm 0.90^{+0.06}_{-0.07}$ & $\rm 76^{+14}_{-13}$ &0.81 \\
& & ($\rm 175^{+25}_{-12}$) & ($\rm 0.81^{+0.08}_{-0.10}$)  \\
F(H$\alpha$)$_{\rm blue}$&$F$(H$\alpha$)$_{\rm red}$ & $\rm 23^{+7}_{-5}$ & $\rm 0.95^{+0.03}_{-0.04}$ & $\rm 10^{+8}_{-9}$ &0.85 \\
& &($\rm -1^{+1}_{-8}$)& ($\rm 0.93^{+0.02}_{-0.03}$) \\
F(H$\alpha$)$_{\rm blue}$&$F$(H$\alpha$)$_{\rm core}$& $\rm 23^{+7}_{-5}$ &
$\rm 0.95^{+0.02}_{-0.03}$ & $\rm 50^{+13}_{-11}$&0.86\\
& &($\rm -1^{+1}_{-8}$)& ($\rm 0.93^{+0.02}_{-0.03}$) \\
\noalign{\smallskip}
\hline
\end{tabular}
\tablefoot{For a ZDCF performed between the continuum and H$\alpha$,
two peaks (within the ZDCF errorbars) are very often present, and
the value for the second peak is given in brackets. The last two
columns give the centroid lag and the 90\% of the ZDCF maximum.} 
\end{table}