\begin{table}%t3 \par \caption {\label{tab2}The mean radial velocities$^{{a}}$ and the 1-$\sigma$ dispersions.} \par %\centerline { \begin{tabular}{l c c c c c c c c c} \hline\hline Star & \ion{He}{i}~$\lambda$~4471 & \ion{He}{ii}~$\lambda$~4542 & \ion{He}{ii}~$\lambda$~4686 & \ion{O}{iii}~$\lambda$~5592& DIB~$\lambda$~5780& \ion{C}{iv}~$\lambda$~5801 & \ion{C}{iv}~$\lambda$~5812 & \ion{He}{i}~$\lambda$~5876& \ion{Na}{i}~$\lambda$~5890\\ \hline HD~46056 & 36.1$~\pm~$6.9 & 49.6$~\pm~$9.3 & 30.4$~\pm~$12.1 & \dots & 26.0$~\pm~$4.1& \dots & \dots & 28.7$~\pm~$9.7 & 23.3$~\pm~$2.0\\ HD~46149 & 27.3$~\pm~$21.8 & 27.6$~\pm~$18.7& 28.4$~\pm~$22.0& 12.6$~\pm~$21.4 & 23.5$~\pm~$4.7 & 24.1$~\pm~$21.3 & 20.7$~\pm~$20.3 & 22.3$~\pm~$19.4 & 21.4$~\pm~$3.0\\ HD~46150 & 31.2$~\pm~$4.0 & 45.3$~\pm~$8.1 & 44.8$~\pm~$5.0 & 26.9$~\pm~$7.8 &23.8$~\pm~$3.9& 48.8$~\pm~$11.7& 34.0$~\pm~$12.9& 32.6$~\pm~$5.4& 20.7$~\pm~$2.4\\ HD~46202 & 39.8$~\pm~$3.1 & 38.8$~\pm~$3.8& 38.0$~\pm~$3.2 & 31.8$~\pm~$1.3 & 25.4$~\pm~$1.5& 40.4$~\pm~$2.2 & 36.1$~\pm~$2.2 & 40.0$~\pm~$1.4 & 23.5$~\pm~$1.2\\ HD~46223 & 34.5$~\pm~$6.7 & 44.5$~\pm~$3.2 &47.0$~\pm~$3.3 & 31.1$~\pm~$7.4 & 23.8$~\pm~$4.6& 50.9$~\pm~$2.9 & 38.6$~\pm~$6.4 & 35.6$~\pm~$2.7 & 23.4$~\pm~$3.4\\ HD~46485 & 31.5$~\pm~$7.5 & 43.5$~\pm~$10.7 & 34.0$~\pm~$9.4 & \dots & 21.8$~\pm~$5.5 & \dots & \dots & 30.8$~\pm~$11.1 & 21.3$~\pm~$4.0\\ HD~46573 & 47.0$~\pm~$6.6& 48.4$~\pm~$10.0& 50.2$~\pm~$7.6& 47.9$~\pm~$8.5 & 27.6$~\pm~$3.9& 59.5$~\pm~$5.7 & 53.2$~\pm~$6.1 & 50.3$~\pm~$5.4 & 26.9$~\pm~$1.4 \\ HD~46966 & 39.2$~\pm~$1.4 & 44.9$~\pm~$2.0 & 45.3$~\pm~$2.0 & 38.4$~\pm~$2.6 &23.4$~\pm~$4.7& 47.7$~\pm~$3.0 & 43.4$~\pm~$3.3 & 40.8$~\pm~$2.4 & 20.8$~\pm~$2.2 \\ HD~48279 & 31.4$~\pm~$3.6 & 40.6$~\pm~$2.6 & 38.9$~\pm~$5.1 & 32.8$~\pm~$11.8& 23.1$~\pm~$5.0 & 43.3$~\pm~$6.0 & 31.9$~\pm~$7.4 & 39.5$~\pm~$2.1 & 20.8$~\pm~$3.3 \\ \hline \end{tabular} } \par \smallskip $^{{a}}$ The data are expressed in~km~s$^{-1}$. \end{table}