\begin{table}%t3
\caption{\label{tab3}Plasma analysis and abundances.}     
%\centering
\small      
\begin{tabular}{lc}
\hline\hline
(1)& (2)\\
\hline
 Name &    PN~3m\\
		                 \te\nii           &    8893           \\
                          $N_{\rm e}$\sii         &   100  \\
                          \hei/H           &       0.051           \\
                                 He/H           &       0.051           \\
                                \oii/H           &   $3.320\times10^{-4}$         \\
                               \oiii/H           &   $5.440\times10^{-5}$         \\
                               ICF(O)           &       1.0           \\
                                  O/H           &   $3.864\times10^{-4}$         \\
                          12 + log(O/H)           &   8.587             \\
                                \nii/H           &   $2.916\times10^{-5}$         \\
                               ICF(N)           &       1.164           \\
                                  N/H           &   $3.394\times10^{-5}$         \\
                          12 + log(N/H)           &   7.531             \\
                                \sii/H           &   $2.250\times10^{-6}$         \\
                               ICF(S)           &       1.001           \\
                                  S/H           &   $7.066\times10^{-6}$         \\
                         12 + log(S/H)           &   6.849             \\
	     \hline 
  \end{tabular}
\end{table}