\documentstyle[11pt]{article} 
\begin{document} 
\baselineskip 18.0pt 
\def\oneskip{\vskip\baselineskip} 
\def\xr#1{\parindent=0.0cm\hangindent=1cm\hangafter=1\indent#1\par} 
\def\la{\raise.5ex\hbox{$<$}\kern-.8em\lower 1mm\hbox{$\sim$}} 
\def\ma{\raise.5ex\hbox{$>$}\kern-.8em\lower 1mm\hbox{$\sim$}} 
\def\ea{\it et al. \rm} 
\def\am{$^{\prime}$\ } 
\def\as{$^{\prime\prime}$\ } 
\def\msol{M$_{\odot}$ } 
\def\Vs{$\rm V_{s}$ } 
\def\n0{$\rm n_{0}$} 
\def\ne{$\rm n_{e}$} 
\def\Te{$\rm T_{e}$} 
\def\Ti{$\rm T_{i}$} 
\def\B0{$\rm B_{0}$} 
\def\cm-3{$\rm cm^{-3}$} 
\def\kms{$\rm km\, s^{-1}$} 
\def\Ec{$\rm E_{c}$} 
\def\Fn{$\rm F_{n}$} 
\def\Fu{$\rm F_{\nu}$} 
\def\ROIII{$\rm R_{[O III]}$} 
\def\ROII{$\rm R_{[O II]}$} 
\def\RSII{$\rm R_{[S II]}$} 
\def\RN{[NII]/[NI]} 
\def\RHe{HeII/HeI} 
\def\Ne4{$\rm Ne^{+4}$} 
\def\O2{$\rm O^{+2}$} 
\def\P1{$\rm N^{+1}$} 
\def\M0{$\rm N^{+0}$} 
\def\TP{$\rm R_{P}$} 
\def\TD{$\rm R_{D}$} 
\def\TC{$\rm R_{C}$} 
\def\erg{$\rm erg \, cm^{-2} \, s^{-1}$} 


\oddsidemargin 0.1cm
\evensidemargin 0.1cm

\begin{table}
\centerline{Table 1}
\bigskip
\centerline{Line intensities relative to H$\beta$}
\bigskip
\begin{center}
\begin{tabular}{ l l l l l l l l l l l } \\ 
 line & M0 & M1 & M2 & M3 & M4 & M5& $\rm M1_{d}$ & $\rm M3_{d}$ & M6&M7 \\
 & & & & & & & & & & \\
\  [Ne V] 3426 & 0.05 & 7(-3)& 4(-3) & .024& .018&0.02& .018& 5(-3) & 2(-3)& 
3(-4) \\
\ [O II] 3727+ & 9.20 &  10.0& 7.10 & 2.30 & 0.82& 0.60 & 3.70 & 0.90& 8.50 & 
5.40 \\
\ [Ne III] 3869+& 3.80 & 0.90 & 0.91 & 1.23 & 1.70& 0.09 & 2.80 & 0.90 & 0.82 & 
1.07 \\
\ [O III] 4363 & 2.90 & 0.35 & 0.05 & .087 &0.07& 7(-3) & 2.30 & 0.48 & 0.15 & 
0.07 \\
\ He II 4686 & 0.03 & 0.08 & 0.14 & 0.12 &0.11 & .016 & .018 & .019 & 0.08 &0.07 
  \\
\ [O III] 5007+ & 35.8 & 4.86 & 4.00 & 15.3& 13.6 & 0.32 & 24.8 & 5.22 & 2.83 & 
12.7 \\
\ [N I] 5200+ & 0.24 & 0.44  & 0.67 & 0.18 &0.05& .023 & 5(-3) & 0.11 & 0.19 & 
0.03  \\
\ He I 5876  & 0.05 & 0.23 & 0.14 & 0.10 &0.11& 0.10 & 0.26 & 0.24 & 0.16 & 0.12 
\\
\ [O I] 6300+ & 0.60 & 1.60 & 2.00 & 1.47 &0.20 & 0.15 & 0.56 & 3.40 & 1.05 & 
0.20  \\
\ [N II] 6583+ & 10.5 & 3.90 & 4.40 & 2.07 &1.16 & 1.02 & 3.40 & 1.65 & 4.95 & 
2.70 \\
\ [S II] 6717  & 2.13 & 1.73 & 1.00 & 0.42 &0.16 & 0.12 & 0.04 & 0.29 & 1.15 & 
0.36 \\
\ [S II] 6730 & 2.03 & 1.47 & 0.86 & 0.34 &0.15& 0.21 & .093 & 0.62 & 1.06 & 
0.35  \\
\ [O II] 7322+ & 7.12 & 0.64 & 0.16 & 0.05&0.04 & 0.06 & 15.5 & 2.99 & 0.27 & 
0.13 \\
\ [S III] 9402+ & 2.28 & 1.28 & 3.11 & 2.00 &1.27& 0.39 & 1.74 & 0.87 & 1.62 & 
2.27  \\
\ H$\beta$ ($\rm erg \, cm^{-2} \, s^{-1}$) & 4(-5) & 3(-4) & 4(-3) & 0.06 
&0.06& 0.20 & 6(-3) & 3(-2) & 1(-3) & 1(-2) \\
 & & & & & & && & & \\
 \ROIII  &12.3 & 13.9 &80.0& 176. &194.& 45.7 & 10.7 & 10.9 & 18.9& 181.  \\
 \ROII & 1.29 & 15.6 & 44.4 & 46.0 & 20.5 & 10.0 & 0.24 & 0.30 & 31.5 & 41.5 \\
 \RSII & 1.05& 1.18 &1.16& 1.24&1.07 & 0.57 & 0.44 & 0.47 & 1.08& 1.03   \\ 
 \RN  & 43.7&8.86 &6.57& 11.5 &23.2&44.3& 680.& 15.0& 26.0&90.0  \\
 \RHe & 0.60& 0.35 &1.00& 1.20&1.00& 0.16& 0.07& 0.08& 0.50& 0.60 \\
 & & &  & & & & &&& \\
 \Vs  (\kms) & 100 & 100 & 100& 100 &100& 300 & 100 & 100 & 100 & 100 \\
 \n0  (\cm-3)&100 & 100 & 100& 100 &100& 300 & 1(4) & 1(4) & 100 & 100 \\
 U &- &1.7(-5)&1.7(-4)&1.7(-3) &1.5(-3)& 5.7(-4) & 1.7(-7) & 1.7(-5) & 1(-3) & 
1(-2) \\
 F & -&1(8)&1(9)&1(10)&1(10)&1(10)&1(8)&1(10&-&- \\
$\rm E_{c}$  (eV) & - & 5(3) &5(3) &5(3)&5(2) &5(3) &5(3)& 5(3) & - & - \\ 
 $ \rm T_{*}$  (K)&- & - &- & - &-& - & - & - &  1(5) & 1(5) \\

\end{tabular}
\end{center}
\end{table}

\begin{table}

\centerline{Table 2 a}

\bigskip

\centerline{The comparison of calculated spectra with observations}


\bigskip

\begin{center}

\begin{tabular}{l l cc c cc c c c} \\ \hline
\multicolumn{2}{c}{}&
 \multicolumn{2}{c}{NGC 315}&
 \multicolumn{3}{c}{NGC 404}&
 \multicolumn{3}{c}{NGC 1052}\\  \hline

Ion & Line & obs. & calc. & obs. &  calc.&calc & obs. & calc.&calc.\\
& & & & & & & &&\\
\[[Ne V] & 3426 & - & 5.(-3) & - & 0.08 &0.27& - & .014 &0.01\\
\[[O II] & 3727+ & 10.02 & 10.2 & 6.85 & 7.50&7.20 & 3.28 & 3.90 &2.50\\
\[[Ne III] & 3869+ & 2.74 & 2.18 & - & 0.80&0.29 & 0.54 & 0.53 &0.90\\
\[[S II] & 4073+   & - & 0.13 & - & 0.06&0.17 & 0.32 & 0.24 &0.60\\
\[[O III] & 4363 & - & 0.11 & - & 0.04&0.18 & 0.12 & 0.02 &0.03\\
\[He II & 4686 & - & 0.08 & - & 0.13&4(-3) & - & 0.07 &0.03\\
\[[O III] & 4959+& 2.18 & 1.83 & 2.00 & 2.59 &2.36& 2.70 & 2.40 &5.00\\
\[[N I] & 5200+& - & 0.30 & 0.26 & 0.20&0.10 & 0.04 & 0.20&0.10 \\
\[He I & 5876 & - & 0.17 & 0.19 & 0.19&0.16 & .002 & 0.13 &0.13\\
\[[O I] & 6300+ & 1.45 & 1.30 & 1.00 & 1.67&0.52 & 1.67 & 1.00 &1.58 \\
\[[N II] & 6548+ & 7.23 & 7.36 & 1.95 & 2.11&2.10 & 3.83 & 3.00 & 4.00\\
\[[S II] & 6716 & 3.18 & 1.54 & 1.74 & 1.80&1.44 & 3.04 & 1.08 &0.90\\
\[[S II] & 6731 & $\uparrow$ & 1.45 & 1.39 & 1.60&1.54 & $\uparrow$ & 1.90&1.50 
\\
\[[Ar III] & 7136 & - & 0.13 & 0.16 & 0.09&0.13 & 0.16 & 0.14&0.29 \\
\[[O II] & 7325 & - & 0.41 & 0.18 & 0.22&0.40 & 0.51 & 0.30 &0.30\\
\[[S III] & 9532+ & 0.15 & 0.15 & 0.44 & 0.57&0.48 & 1.3 & 0.64 &1.10\\
\ $\rm H\beta$& $\rm erg\, cm^{-2} s^{-1}$ & & 8.8(-4) & &3.2(-3)&8.5(-4) & & 
1.5(-2)& 3.4(-1)\\
 & & & & & & & &&\\
\ $V_{s}$ & $\rm km\, s^{-1}$ & & 100 & & 100&150 & &150&200 \\
\ $n_{0}$ & $\rm cm^{-3}$ & & 100 & & 100&100 & & 100 &400\\
\ $T_{*}$ & $\rm K$& & 1.(5) &  &- & 5.(4)&& - &-\\
\ $U$  & & & 1.(-3) & & 1.8(-4)&1.(-3) & & 5.4(-4)&3.2(-3) \\
\ $F$ & & & - & & 1.(9) &-& & 3.(9)&7.(10) \\
\ $B_{0}$ & $\rm gauss$ & & 1.(-4) & & 1.(-4)&1.(-4) & & 1.(-4)&1.(-4) \\
\ & & & & & & & &&\\
\ N/H & & & 1.3(-4) & & 4.3(-5)&6.4(-5) & & 9.3(-5) &9.3(-5)\\
\ O/H & & & 6.6(-4)&  &6.6(-4)&6.6(-4) & &6.6(-4) &6.6(-4)\\
\ Ne/H & & & 1.3(-4)& & 8.3(-5)&8.3(-5) & & 8.3(-5)&8.3(-5) \\
\ S/H & & & 7.8(-6)& & 8.0(-6)&1.6(-5) & & 1.6(-5)&1.6(-5)\\

\end{tabular}

\end{center}

\end{table}

\begin{table}

\centerline{Table 2 b}

\bigskip

\centerline{The comparison of calculated spectra with observations}

\bigskip

\begin{center}

\begin{tabular}{l l cc c c c c c  c} \\ \hline
\multicolumn{2}{c}{}&
 \multicolumn{2}{c}{NGC 1167}&
 \multicolumn{3}{c}{NGC 1275}&
 \multicolumn{3}{c}{NGC 1667}\\ \hline
Ion & Line & obs. & calc. & obs. &  calc. &calc.& obs. & calc. & calc.\\
& & & & & & & & &\\
\[[Ne V] & 3426 & 0.05 & .047  & 0.91 & 1.60&0.1& 0.97 & 0.03 &  3.00 \\
\[[O II] & 3727+ & 6.58  & 5.20 & 3.58 & 5.70&5.0& 12.1 & 5.40  & 9.70\\
\[[Ne III] & 3869+ & 1.00 & 0.70 & 2.30& 1.60&1.0& 3.15 & 4.00  & 1.40\\
\[[S II] & 4073+   & 0.29 & 0.30 & 0.82 & 0.30&...& - & 0.80 &  0.70\\
\[[O III] & 4363 & .025 & .021 & 0.38 & 0.38 &...& - & 0.07 &  0.80\\
\[He II & 4686 & - & 0.10 & 0.28 & 0.12 &0.11& - & 0.02  & 0.16\\
\[[O III] & 4959+ & 3.78 & 2.43 & 4.97 & 5.10 &6.1 &15.0 & 13.6  & 10.4\\
\[[N I] & 5200+ & 0.22 & 0.40 & 0.13 & 0.10 & 0.49 &0.1& 0.60 & 0.52\\
\[He I & 5876 & 0.12 & 0.16 & 0.11 & 0.22 & - & 0.05 &0.1 & 0.25\\
\[[O I] & 6300+ & 1.20 & 1.37 & 2.03 & 1.67 & 1.0&1.27 & 3.30  & 1.57\\
\[[N II] & 6548+ & 7.07 & 6.03 & 1.24 & 1.10&1.0 & 9.70 & 7.60  & 10.7\\
\[[S II] & 6716 & 2.04 & 2.10 & 0.68 & 0.80 &0.6& 2.86 & 2.13 & 0.92\\
\[[S II] & 6731 & 2.04 & 2.20 & $\uparrow$ &1.30&0.8& $\uparrow$ &2.90&1.61\\   
\[[Ar III] & 7136 & 0.23 & 0.28 & 0.08 & 0.12 &..& 0.14 & 0.39 & 0.23\\
\[[O II] & 7325 & 0.18 & 0.16 & 0.39 & 1.30 &0.27& 0.12 & 0.36 & 4.50\\
\[[S III] & 9532+ & 1.04 & 1.17 & 0.28 & 0.21 &3.6& 1.05 & 2.15 & 0.75\\
\ $\rm H\beta$ & $\rm erg\, cm^{-2}\, s^{-1}$ &&1.2(-2)&&2.7(-3)&..&&1.4(-1)& 
1.8(-3)\\
& & & & & & & & &  \\
\ $V_{s}$ & $\rm km\, s^{-1}$ & & 170 & & 450 &300& &200 & 500\\
\ $n_{0}$ & $\rm cm^{-3}$ & & 100 & & 200 &300& & 200 & 300\\
\ $T_{*}$ & $\rm K$ & & - & & - &-& & - &  - \\
\ $U$  & & & 5.(-4)& & - &6.(-4)&&3.6(-3) &  - \\
\ $F$ & & & 3.(9) & & - &1.(10) && 4.(10) &  - \\
\ $B_{0}$ & $\rm gauss$ & & 1.(-4) & &  1.(-4) &1(-4)& & 1.(-4)  & 1.(-4) \\
& & & & & & & & &\\
\ N/H & & & 1.4(-4) & & 3.3(-5) &3.3(-5)&&1.3(-4)& 3.(-4) \\
\ O/H & & &6.6(-4) &  & 6.6(-4)&6.6(-4)& & 6.6(-4) &  8.6(-4)\\
\ Ne/H & & & 8.3(-5)& & 1.3(-4) &1.3(-4)& & 2.3(-4) &  8.3(-5)\\
\ S/H & & & 1.6(-5)& & 8.6(-6) &8.6(-6)& & 1.6(-5) &  1.6 (-5) \\

\end{tabular}

\end{center}

\end{table}

\begin{table}

\centerline{Table 2 c}

\bigskip

\centerline{The comparison of calculated spectra with observations}

\bigskip


\begin{center}

\begin{tabular}{l l c c c c c c c ccc} \\ \hline
\multicolumn{2}{c}{ }&
 \multicolumn{3}{c}{NGC 2639}&
 \multicolumn{2}{c}{NGC 2841}&
 \multicolumn{5}{c}{NGC 3031} \\ \hline

Ion & Line & obs. & calc. & calc. & obs. &  calc. & obs.&obs* & 
calc.&calc.&calc. \\
& & & & & & & & && &\\
\[[Ne V] & 3426 & -    & .009 & 0.55 & -    & .022 & - & 0.23   & 0.03 
&0.04&.004 \\
\[[O II] & 3727+ & 13.7& 13.0 & 11.6 & 3.55 & 3.40& 3.94&1.11 & 5.70 & 7.60&7.10 
\\
\[[Ne III] & 3869+ & 1.13 & 1.10 & 0.95 & 0.29& 0.31& 2.99&1.4 &1.65 & 1.75 
&1.17 \\
\[[S II] & 4073+   & 0.74 & 0.30 & 0.21 & -  & 0.17& 1.89&1.2 & 1.50& 1.10& 
0.17\\
\[[O III] & 4363 & - & 0.14 & 0.35 & - &  .015 & 0.96&0.4 & 0.02 & 0.04&0.20\\
\[He II & 4686 & - & 0.18 & 0.07 & -    & .003 &- &0.99 & 0.02 & 0.03&0.12 \\
\[[O III] & 4959+ & 3.86 & 4.26 & 4.22 & 1.93 & 1.92 & 2.47&5.6 & 1.00&6.00&2.1 
\\
\[[N I] & 5200+ & 0.43 & 0.27 & 0.44 & 0.46 & 0.22 & 0.32&0.38 & 0.30& 0.40&1.15 
\\
\[He I & 5876 & - & 0.36 & 2.00 & - & 0.15 & -&- & 0.15 & 0.15& 1.39 \\
\[[O I] & 6300+ & 1.00 & 1.10 & 1.19 & 0.64 & 0.48 & 4.44&4.99 & 4.05 & 
3.15&1.90\\
\[[N II] & 6548+ & 9.85 & 8.20 & 6.40 & 6.47 & 6.10 & 9.49&9.37 & 
9.01&8.20&5.56\\ 
\[[S II] & 6716 & 1.88 & 1.80 & 1.90 & 1.75 & 1.40 & 1.77&1.95 & 1.10 & 
1.86&4.30\\
\[[S II] & 6731 & 1.57 & 1.50 & 1.80 & 1.44 & 1.60 & 2.14&2.35 & 1.90& 
2.82&3.30\\
\[[Ar III] & 7136 & 0.19 & 0.16 & 0.19 & 0.16 & 0.08 & 1.78 -&- & 0.50 & 
0.50&0.10\\
\[[O II] & 7325 & 0.11 & 0.40 & 0.80 & 0.15 & 0.10 & 0.56&3.9 & 1.18 & 
0.76&0.49\\
\[[S III] & 9532+ & 0.38 & 0.20 & 1.05 & 0.42 & 0.23 & 9.98&2.44 & 
2.26&2.60&3.80\\
\ $\rm H\beta$ & $\rm erg\, cm^{-2} 
s^{-1}$&&9.6(-4)&4.7(-4)&&1.2(-2)&&&0.2&8.(-2)&5.2(-4) \\
\ & & & & & & & & &&&\\
\ $V_{s}$ & $\rm km\, s^{-1}$ & & 100 & 150& & 150 && & 200 & 200&100\\
\ $n_{0}$ & $\rm cm^{-3}$ & & 100 &100 & & 100. & && 600&300&100 \\
\ $T_{*}$ & $\rm K$ & &1.2(5)& - & & 7.(4) & &&  -   & -   &-\\
\ U  & & & 1.(-3)& 1.7(-5) && 1.(-2) &&& 1.8(-3)& 1.8(-3) & 1.8(-5)\\
\ F & & & -& 1.(8) && - &&& 6.(10)& 3.(10)& 1.(8)\\
\ $B_{0}$ & $\rm gauss$ & & 2.(-4) &1.(-4)& & 1.(-4) & && 1.(-4)&1.(-4)&1.(-4) 
\\
\ & & & & & & & & &&&\\
\ N/H & & & 1.3(-4) &2.3(-4)& &2.3(-4)&&& 9.3(-5) & 9.3(-5)&2.3(-4)\\
\ O/H & & & 6.6(-4)& 7.6(-4) & & 6.6(-4)&& & 6.6(-4) & 6.6(-4)&6.6(-4)\\
\ Ne/H & & & 8.3(-5)& 1.3(-4) & & 9.3(-5) && &8.3(-5) & 8.3(-5)&2.3(-4)\\
\ S/H & & & 7.5(-6)&1.6(-5)& & 1.6(-5) && &1.6(-5)& 1.6(-5)&1.6(-5)\\

\end{tabular}

\end{center}
\noindent
obs* refers to Ho et al. (1996) 
\end{table}


\begin{table}

\centerline{Table 2 d}

\bigskip

\centerline{The comparison of calculated spectra with observations}

\bigskip

\begin{center}
\begin{tabular}{l l cc c cc c c c c} \\ \hline
\multicolumn{2}{c}{}&
 \multicolumn{3}{c}{NGC 3504}&
 \multicolumn{3}{c}{NGC 3642}&
 \multicolumn{3}{c}{NGC 3998}\\ \hline
Ion & Line & obs. & calc. & calc. & obs. &calc.& calc.& obs. & calc.& calc.  \\
 & & & & & & & &&&\\ 
\[[Ne V] & 3426 & -    & 8(-4)& 2(-4)& -    & 6(-4)&4.(-3)& -    & 0.02&8(-4) \\
\[[O II] & 3727+ & 1.18 & 2.10 & 1.70 & 2.87 & 2.90&4.8& 5.97 & 5.50&6.9  \\
\[[Ne III] & 3869+ & -    & 0.10 & 0.13 & 1.60& 1.50&0.7& 1.76 &1.30&1.30 \\
\[[S II] & 4073+   & -    & .008 & 0.08 &0.20& 0.17&0.03& 1.49 & 0.40&0.20\\
\[[O III] & 4363 & .049 & .053& .007 & - & .012 &0.14& -    &  .024 &0.03\\
\[He II & 4686 & - & 0.15 & 4(-4)& -    &.014&0.2 & - & .022 &0.13\\
\[[O III] & 4959+ & 0.82 & 0.70 & 1.08 & 2.07 & 3.40&1.8 & 2.42 & 3.00&2.40\\
\[[N I] & 5200+ & -    & 0.50 & 0.05 & 0.25 & 0.06 &0.28& 0.39 & 0.15&0.36\\
\[He I & 5876 & - & 1.80 & 0.14& 0.18 & 0.14 &2.0& 0.09 & 0.15 &0.19 \\
\[[O I] & 6300+ & 0.16 & 0.60 & 0.14 & 0.47 & 0.30&0.80 & 2.18 & 1.13&1.62\\
\[[N II] & 6548+ & 2.57 & 1.60 & 2.50 & 1.90 & 2.80&1.20 & 3.25 & 4.00&3.99\\ 
\[[S II] & 6716 & 0.49 & 0.50 & 0.85 & 1.52 & 1.58&1.04 & 1.06 & 1.60 &1.76\\
\[[S II] & 6731 & 0.36 & 0.37 & 0.87 & 1.17 & 1.60 &0.76 &1.14 & 2.30&1.59\\
\[[Ar III] & 7136 & 0.07 & 0.03 & 0.02 & 0.28 & 0.04 &0.07& 0.04 & 0.11 &0.07\\
\[[O II] & 7325 & 0.20 & 0.18 & 0.04 & 0.39 & 0.07&0.40 & 0.45 & 0.30&0.20\\
\[[S III] & 9532+ & 0.18 & 0.29 & 0.05 & 0.95 & 0.10 &0.89& 0.64 & 0.30&0.53\\
\ $\rm H\beta$ & $\rm erg\, cm^{-2} 
s^{-1}$&&1.4(-3)&1.2(-2)&7.(-4)&&1.2(-2)&&2.2(-2)&3.3(-3)\\
 & & & & & & & &&&\\ 
\ $V_{s}$ & $\rm km\, s^{-1}$ & & 100 & 100& & 100&100 & & 140&100 \\
\ $n_{0}$ & $\rm cm^{-3}$ & & 100 &100 & & 100&100 & & 200 &100\\
\ $T_{*}$ & $\rm K$ & & -& 5.(4) & & 8.(4)&-& & 1.(5)&- \\
\ $U$  & & & 1.7(-6) & 1.(-2)&& 1.(-2)&5.4(-6) && 1.(-2)& 1.7(-4)\\
\ $F$ & & & 1.(7) & -&& -&3.(7) && -& 1.(9)\\
\ $B_{0}$ & $\rm gauss$ & & 1.(-4) &1.(-4)& & 1.(-4)&1.(-4) & & 1.(-4)&1.(-4) \\
 & & & & & & & &&&\\ 
\ N/H & & & 4.3(-4) &1.3(-4)& &1.3(-4)&2.3(-4)&& 8.3(-5)&8.3(-5) \\
\ O/H & & & 6.6(-4)& 4.6(-4) & & 6.6(-4)&6.6(-4)& & 6.6(-4)&6.6(-4)\\
\ Ne/H & & & 8.3(-5)& 8.3(-5) & & 3.3(-4)&2.3(-4)&&1.3(-4) &1.3(-4) \\
\ S/H & & & 4.0(-6)&1.1(-5)& & 1.6(-5)&6.6(-6) & & 1.4(-5)&8.2(-6)\\ 

\end{tabular}

\end{center}

\end{table}

\begin{table}

\centerline{Table 2 e}

\bigskip

\centerline{The comparison of calculated spectra with observations}

\bigskip

\begin{center}
\begin{tabular}{l l c c c c c c c} \\ \hline
\multicolumn{2}{c}{}&
 \multicolumn{2}{c}{NGC 4395}&
 \multicolumn{3}{c}{NGC 4618}&
 \multicolumn{2}{c}{NGC 7217}\\ \hline
Ion & Line & obs. & calc. & obs. & calc.&  calc. & obs. & calc.  \\
\[[Ne V] & 3426 & 0.86& .006 & -    & 0.26 & 0.11 & -    & .004  \\
\[[O II] & 3727+ & 1.81 & 1.85 & 3.43 & 4.60& 2.10 & 5.46& 5.42  \\
\[[Ne III] & 3869+ & 0.94 & 0.70 & 0.31 & 0.23& 0.25& 0.71& 0.43 \\
\[[S II] & 4073+   & 0.19 & 0.46 & 0.07 & 0.08& 0.05& 0.24& 0.14 \\
\[[O III] & 4363 &0.21 & 0.024&-   & 0.01 & 0.16& - & 0.10    \\
\[He II & 4686 & 0.18& 0.18 &0.04& .003& .001  & -  & .002 \\
\[[O III] & 4959+ & 9.91 & 14.1 & 2.21 &2.02& 2.47 & 2.37 & 1.42       \\
\[[N I] & 5200+ & 0.04 & 0.02 & - & .001   & .005 & 0.24 & 0.13       \\
\[He I & 5876 &0.15&0.14 & 0.11& .013& 0.13 & -    & 0.16  \\
\[[O I] & 6300+ & 1.06 & 0.85 & 0.03 & 0.05& 0.08 & 0.76 & 0.30\\
\[[N II] & 6548+ & 0.78 & 0.60 & 0.63 & 0.75& 0.53 & 8.11 & 6.40 \\ 
\[[S II] & 6716 & 0.79 & 1.12 & 0.39 & 0.38& 0.71 & 1.57 & 1.55  \\
\[[S II] & 6731 & 0.79 & 1.70 & 0.22 & 0.42& 0.63 & 1.39 & 1.53\\
\[[Ar III] & 7136 & 0.11 & 0.10 & 0.06 & 0.06 & 0.08 & -    & 0.03 \\
\[[O II] & 7325 & 0.23 & 0.08 & 0.05 & 0.41 & 0.05 &  -   & 0.32\\
\[[S III] & 9532+& 1.64 & 0.77 & 1.00 & 0.33 & 0.12 & 0.09 & 0.21\\
\ $\rm H\beta$ & $\rm erg\, cm^{-2} s^{-1}$&&4.6(-1)&&9.5(-4)&1.2(-2)&&9.8(-4)\\
& & & & & & & & \\ 
\ $V_{s}$ & $\rm km\, s^{-1}$ & & 200 && 150 & 150 & & 100 \\
\ $n_{0}$ & $\rm cm^{-3}$ & & 200&&100  & 100 & & 100 \\
\ $T_{*}$ & $\rm K$ & & -& & 2.(4) & 5.(4)& & 5.(4) \\
\ $U$  & & & 8.3(-3)& & 1.(-3) & 1.(-2) && 1.(-3)\\
\ $F$ & & & 1.(11) & & - & - && -\\
\ $B_{0}$ & $\rm gauss$ & & 1.(-4) & & 1.(-4) & 3.(-4) & & 1.(-4) \\
& & & & & & & & \\ 
\ N/H & & & 2.3(-5) & & 6.3(-5) & 4.3(-5) & & 3.3(-4) \\
\ O/H & & & 6.6(-4)& & 6.6(-4)& 6.6(-4)& & 9.6(-4)\\
\ Ne/H & & & 8.3(-5)& & 8.3(-5) & 1.4(-4) & &3.3(-4)  \\
\ S/H & & & 1.6(-5)& & 1.6(-5)& 9.8(-6) & & 2.6(-5) \\

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\centerline{Table 2 f}


\bigskip

\centerline{The comparison of calculated spectra with observations}

\bigskip 

\begin{center}

\begin{tabular}{l l c c cc c cc c c} \\ \hline
\multicolumn{2}{c}{}&
 \multicolumn{3}{c}{NGC 7479}&
 \multicolumn{3}{c}{NGC 7714}&
 \multicolumn{3}{c}{NGC 7743}\\  \hline

Ion & Line & obs. & calc. &calc. & obs. &  calc. & calc.&obs. & calc. & calc.\\
& & & & & & & & & &\\
\[[Ne V] & 3426 & - & 1.28 & 2.13& 0.03 &0.08 & 0.08 & - & 0.95& 18.2\\
\[[O II] & 3727+ & 10.1  & 11.5 & 10.3 & 2.33 & 1.90 & 2.70 & 20.2 & 18.1&21.2\\
\[[Ne III] & 3869+ & 3.05 & 1.75 &2.14&0.24 & 0.16 & 0.16 & 16.5 & 13.5&15.1\\
\[[S II] & 4073+   & - & 0.17 &0.25&0.06 & 0.05 & 0.15& 2.72 & 1.40&0.50\\
\[[O III] & 4363 & - & 0.34 &0.11&0.02 & 0.01 & 0.03 & - & 0.17&1.00 \\
\[He II & 4686 & - & 0.08 &0.10&0.06 & .001& 0.07 & 0.24 & 0.77&0.10 \\
\[[O III] & 4959+& 3.90 & 4.20 & 3.00 & 2.09 & 2.27 & 1.00 & 10.2 & 15.0&13.1 \\
\[[N I] & 5200+& 0.43 & 0.36 & 0.20 & 0.03 & 0.02 & 0.02 & 1.40 & 0.60&0.30\\
\[He I & 5876 & - & 2.30 & 0.15 & 0.12 & 0.14 & 0.15 & - & 0.05&0.31\\
\[[O I] & 6300+ & 0.74 & 1.04 & 0.76 & 0.07 & 0.08 & 0.50 & 1.02 & 4.80&0.52\\
\[[N II] & 6548+ & 5.56 & 3.60 & 6.28 & 1.42 & 1.49 & 2.99 & 7.28 & 9.70&14.6\\
\[[S II] & 6716 & 1.79 & 1.76 & 2.60 & 0.24 & 0.68 & 0.46  & 1.61 & 2.20&0.60\\
\[[S II] & 6731 &1.06&1.66 & 2.20 & 0.24 &0.60& 0.74 & 1.47 & 2.30&0.90\\
\[[Ar III] & 7136 &0.13&0.18 & 0.21 & 0.07 & 0.08 & 0.37 & 0.45 & 0.53&0.38\\
\[[O II] & 7325 &0.09&0.90 & 0.38 & 0.06 & 0.04 & 0.15 & 0.19 & 0.81&4.40\\
\[[S III] & 9532+ & 0.55 & 0.98 & 0.57 & 0.96 & 0.12& 1.60 & 0.62 & 0.50&0.74\\
\ $\rm H\beta$ & $\rm erg\, cm^{-2} s^{-1}$ & & 4.3(-4) &9.6(-4) & 
&1.2(-2)&3.8(-2)&&9.1(-2)&4.6(-4) \\
 & & & & & & & & & &\\
\ $V_{s}$ & $\rm km\, s^{-1}$ & & 150 &150&& 150&300&& 150&300\\
\ $n_{0}$ & $\rm cm^{-3}$ & & 100 & 100 & & 100 &300&& 100&200\\
\ $T_{*}$ & $\rm K$& &- &1.(5) &&5.(4) &5.(4) && 6.(5)& -\\
\ $U$ & & &1.7(-5)&1.(-3) & & 1.(-2)&1.(-2)& & 1.(-1)&-\\
\ $F$ & & &1.(8)&- & & -&-& & -&-\\
\ $B_{0}$ & $\rm gauss$ & & 1.(-4) &3.(-4)& & 3.(-4) &3.(-4)& & 1.(-4)&1.(-4)\\
\ & & & & & & & & & &\\
\ N/H & & & 1.3(-4) &1.3(-4)& & 1.3(-4)&2.3(-5)&&9.3(-5)&3.(-4) \\
\ O/H & & &6.6(-4) &6.6(-4)&  & 6.6(-4)&6.6(-4)& &6.6(-4)&6.6(-4) \\
\ Ne/H & & & 2.3(-4)&   2.3(-4) & & 9.3(-5)&8.3(-5)&&3.3(-4)& 6.3(-4)\\
\ S/H & & & 1.6(-4)& 1.6(-4)&& 1.0(-5)&1.6(-5)&& 5.6(-6)& 9.6(-6)\\

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\bigskip

\begin{table}

\centerline{Table 3}

\bigskip

\centerline{The summary of results presented in Tables 2}

\bigskip

\begin{center}


\begin{tabular}{ll cc c c c c c c c c} \\ 
&& & & & & & & & &&\\
 &NGC & type & $V_{s}$ & \n0 & F &U & $T_{*}$  & N/H  & Ne/H  & S/H   & flux \\
&    &      &($\rm km\, s^{-1}$)& \cm-3 &  & & (K) &          &       &       &  
    \\
&& & & & & & & & &&\\
\ 1& 315    & L   & 100  & 100& -    & 1.(-3) & 1.(5)&$>$   &$\geq$&$<$   & bb   
\\
\ 2&404    & L   &  100 & 100&1.(9) & 1.8(-4)&  -   & $<$  & c    &$<$   & pl  
\\
\    &       &     &  150& 100& -     & 1.(-3) &  5.(4)& $<$ & c& c & bb \\
\ 3&1052   & L   &  150 &100& 3.(9) &5.4(-4) & -    &  c   & c    & c    & pl   
\\
\   &        &     & 200 &400 & 7.(10)& 3.2(-4) & - &     c  &  c  &   c    & pl 
\\
\ 4&1167   & L   & 170  & 100&3.(9) &5.4(-4) &  -   & $>$  &  c   &  c   & pl  
\\
\ 5&1275   & S   & 450  &200&  -    & -      & -    & $<$  &$\geq$& $<$  & 
o.s.\\
\  &        &     & 300&300  & 1.(10)&6.(-4) & - & $<$ &$\geq$ & $<$&  pl \\
\ 6&1667   & S   & 200  &200& 4.(10)& 3.6(-3)&   -  & $>$  & $>$  &  c   & pl \\
\  &       &     & 500  &300&  -    &   -    &   -  & $>$&  c &  c   & o.s. \\
\ 7&2639   &  L  & 100  &100&  -    & 1.(-3) & 1.2(5)& $>$ &  c   & $<$  & bb \\
\   &       &     & 150  &100&  1.(8)&1.8(-5) &   -   & $>$ & $>$  &  c   & pl 
\\
\ 8 &2841   &  L  & 150 &100 &  -    & 1.(-2) & 7.(4) & $>$ &  c   &  c   & bb 
\\
\ 9 &3031   &  L  & 200&600  & 6.(10)&1.8(-3) & -     &  c  &  c   &  c   & pl 
\\
\   &       &     & 200&300  & 3.(10)&1.8(-3)&    - &  c  &  c   &  c   & pl\\
\   &       &     & 100&100  & 1.(8)&1.8(-5)&    - & $>$   &  c & $>$ & pl\\
\ 10&3504   &  -  & 100 &100 & 1.(7) &1.8(-6) &    -  &$>$&  c  &$<$ & pl \\
\   &       &     & 100  &100&   -   & 1.(-2) & 5.(4) & $>$ &  c   & $<$  & bb  
\\
\ 11&3642   & -   & 100  & 100&  -   & 1.(-2) & 8.(4) & $>$ & $>$& c    & bb\\
\   &       &     &100&100&  3.(7)& 5.4(-6)&-& $>$ & $>$ & $<$ & pl \\
\ 12&3998   & -   & 140  &200&   -   & 1.(-2) & 1.(5) & c   & c    & c    & bb  
\\
\ &         &     & 100 &100 &  1.(9)& 1.8(-4) & -&  c&  $>$ & $<$ & pl \\
\ 13&4395   &  S  & 200&200  & 1.(11)& 9.(-3) &   -   & $<$& c   & c    & pl \\ 
\ 14& 4618  &  H  & 150 &100 &   -   & 1.(-3) &  2.(4)& $<$   &  c  & c    & bb 
\\
\ &       &     & 150 &100 &   -   & 1.(-2) & 5.(4) & $<$  & $>$ & $<$  & bb \\
\ 15&7217   &  L  & 100&100  &   -   & 1.(-3) & 5.(4) & $ > $& $ > $&  $>$& bb 
\\
\ 16&7479   &  L  & 150 &100 & 1.(8) &1.8(-5) &   -   & $>$  & $>$  &  c  & pl 
\\
\    &    &     & 150&100  &  -    & 1.(-3) & 1.(5) & $>$  & $>$  &  c  & bb \\
\ 17&7714  &  H  & 150 &100 &  -    & 1.(-2) & 5.(4) & $>$   &  c  & $<$ & bb    
 \\
\  &      &     & 300 &300 &  -    & 1.(-2) & 5.(4) & $ < $ &   c &   c & bb  \\
\ 18&7743   & L   & 150 &100 &  -    & 1.(-1) & 6.(5) & c     &$>$& $<$& bb \\
\      &  &     & 300&200  &  -    &   -    &   -   & $>$ &$>$& $<$  & o.s. \\ 

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