\begin{table}%t1
\caption{\label{table1}Emission line ratios$^{{\rm 1}}$ for Ark~564, corrected for~$E(B-V)=0.09$.}
$$
\begin{array}{lccllcc}
\hline\hline
\noalign{\smallskip}
{\rm Line}     &   F_{\lambda}/{\rm H}\beta\ &  F_{\lambda}/[\mbox{\ion{O}{iii}}] &  & {\rm Line}     &   F_{\lambda}/{\rm H}\beta\ &     
F_{\lambda}/[\mbox{\ion{O}{iii}}] \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
 \lbrack\mbox{\ion{Ne}{v}}\rbrack\ \lambda3425 & 16.5\pm0.9 & 13.9\pm0.9 &  & \lbrack\mbox{\ion{Fe}{x}}\rbrack\ \lambda6374 &   
7.10\pm0.42 & 5.97\pm0.41  \\
 \lbrack\mbox{\ion{O}{ii}}\rbrack\ \lambda3727 & 16.3\pm0.7& 13.7\pm0.7 &  & \lbrack\mbox{\ion{N}{ii}}\rbrack\ \lambda6548    &  
0.673\pm0.041 & 2.79\pm0.19 \\
 \lbrack\mbox{\ion{Fe}{v}}\rbrack\ \lambda3839 & 0.226\pm0.028 & 0.19\pm0.02 & & {{\rm H\alpha}}^{a}       &  
355.0\pm14.7 & 298\pm16     \\
 \lbrack\mbox{\ion{Ne}{iii}}\rbrack\ \lambda3868& 9.75\pm0.41 & 8.2\pm0.4 & & \lbrack\mbox{\ion{N}{ii}}\rbrack\ \lambda6583 &  
9.97\pm0.44 & 8.30\pm0.46   \\
 \lbrack\mbox{\ion{S}{ii}}\rbrack\ \lambda4068 & 1.96\pm0.11 & 1.65\pm0.11 & & \mbox{\ion{He}{i}}~\lambda6678^{a} &  
1.73\pm0.13 & 1.46\pm0.12  \\
 \lbrack\mbox{\ion{S}{ii}}\rbrack\ \lambda4076 & 0.482\pm0.038 & 0.40\pm0.03 & & \lbrack\mbox{\ion{S}{ii}}\rbrack\ \lambda6716 &  
3.88\pm0.32 & 3.26\pm0.29   \\
 \lbrack\mbox{\ion{O}{iii}}\rbrack\ \lambda4363 & 4.89\pm0.21 & 4.11\pm0.22 & & \lbrack\mbox{\ion{S}{ii}}\rbrack\ \lambda6730 &  
4.51\pm0.20 & 3.79\pm0.21    \\
 \mbox{\ion{He}{ii}}~\lambda4686^{a} & 14.8\pm4.7 & 12.4\pm3.9  & & \lbrack\mbox{\ion{Ar}{v}}\rbrack\ \lambda7005    &   
0.656\pm0.061 & 0.55\pm0.05    \\
 \lbrack\mbox{\ion{Ar}{iv}}\rbrack\ \lambda4711 & 1.01\pm0.09 & 0.85\pm0.08 & & \lbrack\mbox{\ion{Ar}{iii}}\rbrack\ \lambda7135 &  
1.69\pm0.09 & 1.42\pm0.09    \\
 {{\rm H\beta}}^{a} & 100.0 & 84.1  &   & \lbrack\mbox{\ion{Ar}{iii}}\rbrack\ \lambda7751 & 0.538\pm0.100 &  
0.45\pm0.09   \\
 \lbrack\mbox{\ion{Fe}{vii}}\rbrack\ \lambda4893 & 0.573\pm0.075 & 0.48\pm0.06 &  & \lbrack\mbox{\ion{Fe}{xi}}\rbrack\ 
\lambda7891 & 8.31\pm0.39 & 7.0\pm0.40    \\
 \lbrack\mbox{\ion{Fe}{vii}}\rbrack\ \lambda4988 & 0.573\pm0.088 & 0.48\pm0.08 & & \lbrack\mbox{\ion{S}{iii}}\rbrack\ \lambda9069  
& 5.76\pm0.26 & 4.80\pm0.27     \\
 \lbrack\mbox{\ion{O}{iii}}\rbrack\ \lambda5007+4959& 118.9\pm4.0 & 100.0 & & \lbrack\mbox{\ion{S}{iii}}\rbrack\ \lambda9532 &  
10.7\pm0.5 & 9.00\pm0.52 \\
 \lbrack\mbox{\ion{Fe}{vii}}\rbrack\ \lambda5145 & 0.283\pm0.023 & 0.23\pm0.02 & & \lbrack\mbox{\ion{C}{i}}\rbrack\ 0.985~{\rm \mu m} &  
0.23\pm0.07 &  0.19\pm0.06    \\
 \lbrack\mbox{\ion{Fe}{vi}}\rbrack\ \lambda5159 & 1.01\pm0.09 & 0.85\pm0.08 & & \lbrack\mbox{\ion{S}{viii}}\rbrack\ 0.991~{\rm \mu m}   
& 1.75\pm0.13 & 1.47\pm0.12     \\
 \lbrack\mbox{\ion{N}{i}}\rbrack\ \lambda5199 & 2.04\pm0.12 & 1.72\pm0.12 & & \lbrack\mbox{\ion{Fe}{xiii}}\rbrack\ 1.074~{\rm \mu m}  &  
2.88\pm0.55  & 2.42\pm0.47   \\
 \lbrack\mbox{\ion{Fe}{vi}}\rbrack\ \lambda5335 & 0.697\pm0.097 & 0.59\pm0.08 & & \lbrack\mbox{\ion{S}{ix}}\rbrack\ 1.252~{\rm \mu m} &  
1.99\pm0.19 & 1.60\pm0.16 \\
 \lbrack\mbox{\ion{Fe}{vii}}\rbrack\ \lambda5721 & 2.31\pm0.15 & 1.94\pm0.14 & & \lbrack\mbox{\ion{Fe}{ii}}\rbrack\ 1.257~{\rm \mu m} &  
0.97\pm0.16 &  0.82\pm0.14   \\
 \mbox{\ion{He}{i}}~\lambda5875^{a} & 9.92\pm0.52 & 8.34\pm0.52 & & \lbrack\mbox{\ion{Si}{x}}\rbrack\ 1.430~{\rm \mu m}    &  
4.55\pm0.32 & 3.83\pm0.30    \\
 \lbrack\mbox{\ion{Fe}{vii}}\rbrack\ \lambda6087 & 3.64\pm0.19 & 3.06\pm0.19 & & \lbrack\mbox{\ion{Si}{vi}}\rbrack\ 1.963~{\rm \mu m} &  
1.89\pm0.35 & 1.59\pm0.30    \\
 \lbrack\mbox{\ion{O}{i}}\rbrack\ \lambda6300 & 5.29\pm0.23 & 4.45\pm0.24 & & \lbrack\mbox{\ion{Ca}{viii}}\rbrack\ 2.321~{\rm \mu m} &   
0.82\pm0.26 & 0.69\pm0.22     \\ 
\noalign{\smallskip}
\hline
\noalign{\smallskip}
\end{array} 
$$ 
\end{table}