\begin{table}%T4
%\centering
\par
     \caption{Stellar parameters of HIP~1910~A and B derived from the BCAH98 model for an age of 40~Myr.}
        \label{stell2}
          \begin{tabular}{llll}  
            \hline
            \hline
\noalign{\smallskip}
            Source     & $M$              &  $T_{\rm{eff}}$         &$L$             \\
                       & ($M_{\odot}$)    &  (K)                 &($L_{\odot}$)  \\
        \noalign{\smallskip}
            \hline      
 \noalign{\smallskip}
           HIP~1910~A & [0.62, 0.8]       & [3710, 4203]      &[0.08, 0.2]     \\
  HIP~1910~B &  [0.2, 0.4]      & [3360, 3495]      & [0.02, 0.04]   \\
        \hline
   \end{tabular}
\end{table}