\begin{table}
\caption{\label{tab1}Nearby pulsars used in the analysis.}  
%\centering
\par
\begin{tabular}{c c c c c c}  
\hline\hline                 
Name & $\ell_{\rm II}$ & $b_{\rm II}$ & Dist & DM & RM \\
     &  degrees &  degrees & pc & cm$^{-3}$~pc & rad~m$^{-2}$ \\
\hline                       
   J2144-3933 & 2.8 & --49.5 & 180 & 3.35 & --2 \\ 
   J2124-3358 & 10.9 & --45.4 & 250 & 4.60 & 1.2 \\
   J0108-1431 & 140.9 & --76.8 & 130 & 2.4 & --0.3 \\
   B0656+14 & 201.1 & 8.3 & 290 & 14.0 & 23.5 \\
   B0950+08 & 228.9 & 43.7 & 260 & 2.96 & --0.66 \\
   J0437-4715 & 253.4 & --42.0 & 160 & 2.64 & 1.5 \\
   B0833-45 & 263.6 & --2.8 & 290 & 68.0 & 31.4 \\
\hline                     
\end{tabular}\vspace*{-2mm}
\end{table}