\begin{table}%t4
\caption{\label{variables-estimates}Fraction of light curves in every run, fulfilling the criteria $f_i>f_{\rm min}$ and $P_{f_i}<P_{\rm max}$ for at least one of the 3 $f_i$'s, for four combinations of the thresholds $f_{\rm min}$ and $P_{\rm max}$.}
%\centering
\par
\small\begin{tabular}{ c c c }
\hline\hline
  Observing run &\% of objects&$f_{\rm min}$, $P_{\rm max}$\\
  \hline
  IRa01&47&0.1 d$^{-1}$, 0.2\\
       &42&0.1 d$^{-1}$, 0.1\\
       &20&0.2 d$^{-1}$, 0.2\\
       &18&0.2 d$^{-1}$, 0.1\\
  LRc01&50&0.1 d$^{-1}$, 0.2\\
       &44&0.1 d$^{-1}$, 0.1\\
       &15&0.2 d$^{-1}$, 0.2\\
       &13&0.2 d$^{-1}$, 0.1\\
  SRc01&40&0.1 d$^{-1}$, 0.2\\
       &35&0.1 d$^{-1}$, 0.1\\
       &34&0.2 d$^{-1}$, 0.2\\
       &29&0.2 d$^{-1}$, 0.1\\
  LRa01&41&0.1 d$^{-1}$, 0.2\\
       &35&0.1 d$^{-1}$, 0.1\\
       &16&0.2 d$^{-1}$, 0.2\\
       &15&0.2 d$^{-1}$, 0.1\\
 \hline
\end{tabular}
\end{table}