\begin{table}%t4 \caption{Rotation velocity, effective temperature, and surface abundances of Li and Be predicted for the stellar models that are still on the main sequence at the age of IC~4651} \label{tab:models} %\centerline {\begin{tabular}{c c c c c c c c c c } \hline\hline $M$ & $V_{\rm ZAMS}$&\multicolumn{2}{c}{$V_{\rm Age}$}& \multicolumn{2}{c}{$T_{\rm eff}$} & \multicolumn{2}{c}{$A$(Li)} &\multicolumn{2}{c}{$A$(Be)} \\ $(M_{\odot})$ &(km\ s$^{-1}$) &\multicolumn{2}{c}{ (km~s$^{-1}$)} &\multicolumn{2}{c}{(K) } & & & &\\ &&1.2 Gyr & 1.7 Gyr &1.2 Gyr & 1.7 Gyr &1.2 Gyr & 1.7 Gyr &1.2 Gyr & 1.7 Gyr \\ \hline\hline 1.3 & 50 & 19.4 & 16.9 & 6532 & 6507 & 2.05 & 1.51 & 1.02 & 0.77\\ & 80 & 28.3 & 24.4 & 6535 & 6528 & 1.24 & 0.37& 0.62 & 0.22 \\ & 110 & 36.2 & 30.9 & 6520 & 6483 & 0.47 & $-0.59$ &0.2 & $-0.29$ \\ \hline 1.35 & 50 & 30.3 & 27.6 & 6687 & 6663 & 2.69 & 2.33 & 1.26 & 1.10 \\ & 80 & 28.6 & 24.5 & 6683 & 6670 & 1.16 & 0.24 & 0.57& 0.15 \\ & 110 & 36.6 & 31.5 & 6685 & 6676 & 0.43 & $-0.70$ & 0.20 & $-0.35$ \\ \hline 1.4 & 50 & 42.7 & 41.4 & 6834 & 6762 & 3.24 & 3.22 & 1.41 & 1.41 \\ & 80 & 67.8 & 67.8 & 6824 & 6764 & 3.20 & 3.10 & 1.41 & 1.39 \\ & 110 & 96 & 95.2 & 6826 & 6781 & 3.12 & 2.94 & 1.39 & 1.33 \\ \hline 1.5 & 50 & 40.5 & 37.5 & 7094 & 6857 & 3.23 & 3.18 & 1.41 & 1.40 \\ & 80 & 66.5 & 62.7 & 7174 & 6948 & 3.13 & 2.94 & 1.40 & 1.34\\ & 110 & 92.2 & 87.8 & 7136 & 6900 & 2.97 & 2.66 & 1.35 & 1.21\\ \hline \end {tabular}} \par \tablefoot{Models by Charbonnel \& Lagarde (in preparation). See text for more details.} \end{table}