\begin{table}%t2 \caption{\label{t2}Synoptic table containing the main results concerning the 5 CVs (see Fig.~\ref{f3}) identified in the present sample of {\it INTEGRAL} sources.} \par %\centerline { \begin{tabular}{lcccccccccr} \hline \hline \multicolumn{1}{c}{Object} & \multicolumn{2}{c}{H$_\alpha$} & \multicolumn{2}{c}{H$_\beta$} & \multicolumn{2}{c}{He {\sc ii} $\lambda$4686} & $R$ & $A_V$ & $d$ & \multicolumn{1}{c}{$L_{\rm X}$} \\ \cline{2-7} \noalign{\smallskip} & $EW$ & Flux & $EW$ & Flux & $EW$ & Flux & mag & (mag) & (pc) & \\ \hline IGR J08390$-$4833 & 27 $\pm$ 3 & 8.6 $\pm$ 0.8 & 8.7 $\pm$ 0.9 & 4.1 $\pm$ 0.4 & 5.2 $\pm$ 0.8 & 2.6 $\pm$ 0.4 & 16.6 & $\sim$0 & $\sim$330 & 0.46 (0.5--8) \\ & & & & & & & & & & 0.99 (17--60) \\ %& & & & & & & & & & \\ IGR J11098$-$6457 & 5.2 $\pm$ 0.5 & 8.0 $\pm$ 0.8 & 3.6 $\pm$ 0.7 & 1.9 $\pm$ 0.4 & $<$2.0 & $<$1.0 & 15.6 & 1.23 & $<$20~000 & $<$33 (2--10) \\ & & & & & & & & & & $<$6200 (20--100) \\ %& & & & & & & & & & \\ IGR J18173$-$2509 & 92 $\pm$ 3 & 25.0 $\pm$ 0.8 & 14.0 $\pm$ 1.0 & 6.9 $\pm$ 0.5 & 7.0 $\pm$ 1.0 & 3.6 $\pm$ 0.5 & 17.2 & 0.73 & $\sim$330 & 0.35--0.49 (0.2--12) \\ & & & & & & & & & & 1.7 (2--10) \\ & & & & & & & & & & 2.1 (20--100) \\ %& & & & & & & & & \\ IGR J18308$-$1232 & 21.9 $\pm$ 1.1 & 7.7 $\pm$ 0.4 & 8.5 $\pm$ 0.9 & 2.2 $\pm$ 0.2 & 3.9 $\pm$ 0.9 & 9.3 $\pm$ 2.0 & 17.0 & 0.67 & $\sim$320 & 0.32 (0.2--12) \\ & & & & & & & & & & 0.060 (0.24--2.0) \\ & & & & & & & & & & 1.8 (20--100) \\ %& & & & & & & & & \\ IGR J19267+1325 & 63.6 $\pm$ 1.9 & 26.9 $\pm$ 0.8 & 45 $\pm$ 3 & 11.8 $\pm$ 0.8 & 22 $\pm$ 2 & 5.3 $\pm$ 0.5 & 17.8 & $\sim$0 & $\sim$580 & 0.13 (0.1--2.4) \\ & & & & & & & & & & 4.0 (0.3--10) \\ & & & & & & & & & & 3.3 (2--10) \\ & & & & & & & & & & 4.0 (20--100) \\ \hline \end{tabular}} \par \medskip Note: $EW$s are expressed in \AA, line fluxes are in units of 10$^{-15}$ erg cm$^{-2}$ s$^{-1}$, whereas X-ray luminosities are in units of 10$^{32}$ erg s$^{-1}$ and the reference band (between brackets) is expressed in keV. \end{table}