\documentstyle{l-aa}
\begin{document}
\setcounter{table}{3}
\begin{table*}[t]
\caption{Observed line fluxes for  NGC 2440 }
{\scriptsize
\begin{tabular}{lrrrrrrr}
\hline
\hline\\[-4pt]
Identification          &    n3 &     n2 &     n1 &    cen &     p1 &     p2 &     p3 \\            
\hline\\[-4pt]
  3727.0\  [OII]        &  372. &   154. &   116. &    62.4&   143. &   241. &   415. \\            
  3797.9\  H10          &       &        &     2.5&     3.4&     3.2&        &        \\            
  3835.4\  H9           &       &        &     6.2&     5.9&     7.2&        &        \\            
  3868.7\  [NeIII]      &  113. &    79.6&    85.1&    64.3&    95.2&   123. &   124. \\            
  3889.0\  H8           &       &    11.9&    13.1&    11.9&    14.9&    13.4&    11.3\\            
  3968.4\  HeII         &       &    33.7&    38.5&    30.4&    40.2&    43.5&    47.0\\            
  4026.4\  HeI          &       &        &        &     1.0&        &        &        \\            
  4070.0\  OII          &       &        &        &     2.1&        &        &     9.7\\            
  4101.8\  H$\delta$    &       &    20.1&    23.8&    23.7&    24.7&    22.2&    22.4\\            
  4199.8\  HeII         &       &        &        &     1.1&        &        &        \\            
  4340.5\  H$\gamma$    &       &    38.9&    42.4&    41.0&    45.3&    41.7&    42.1\\            
  4363.2\  [OIII]       &       &    19.1&    21.3&    19.1&    22.3&    24.2&    18.4\\            
  4471.5\  HeI          &       &        &        &     2.1&        &        &        \\            
  4541.6\  HeII         &       &        &     2.2&     2.8&     1.8&        &        \\            
  4640.0\  NIII b       &       &        &     7.1&     8.5&     8.2&        &        \\            
  4685.7\  HeII         &   62.8&    61.6&    80.0&    84.2&    73.0&    71.7&    54.8\\            
  4711.3\  [ArIV]       &       &     9.1&    12.5&    12.7&    12.1&     7.4&        \\            
  4740.2\  [ArIV]       &       &     5.8&    10.6&    10.3&     8.3&     4.4&        \\            
  4861.3\  H$\beta$     &  100. &   100. &   100. &   100. &   100. &   100. &   100. \\            
  4958.9\  [OIII]       &  551. &   515. &   490. &   417. &   487. &   606. &   475. \\            
  5006.8\  [OIII]       & 1679. &  1554. &  1492. &  1260. &  1453. &  1823. &  1439. \\            
  5200.2\  [NI]         &       &    14.9&    12.3&     6.8&    13.9&     6.3&     7.3\\            
  5411.5\  HeII         &       &     5.8&     7.1&     8.2&     5.8&     6.0&     4.3\\            
  5517.7\  [ClIII]      &       &        &        &     0.6&        &        &        \\            
  5537.9\  [ClIII]      &       &        &        &     0.8&        &        &        \\            
  5754.6\  [NII]        &   36.7&    18.9&    15.8&    12.3&    15.0&    20.2&    34.7\\            
  5875.7\  HeI          &   13.0&    12.8&    10.0&     8.7&    10.3&     9.5&    11.9\\            
  6300.3\  [OI]         &       &    22.5&    23.2&    15.8&    20.8&    10.8&    17.3\\            
  6312.1\  [SIII] b     &       &     4.2&     2.9&     2.1&     2.1&     7.3&     7.3\\            
  6363.8\  [OI]         &       &     7.0&     7.7&     5.2&     7.4&     4.0&     4.8\\            
  6406.5\  HeII         &       &        &        &     0.8&        &        &        \\            
  6435.1\  [ArIV]       &       &        &     2.8&     3.9&     2.7&        &        \\            
  6548.0\  [NII]        &  615. &   429. &   322. &   216. &   313. &   365. &   668. \\            
  6562.8\  H$\alpha$    &  402. &   398. &   374. &   371. &   349. &   362. &   344. \\            
  6583.4\  [NII]        & 1963. &  1290. &   942. &   637. &   917. &  1095. &  2025. \\            
  6680.0\               &       &     5.0&     5.3&     4.7&     4.9&     4.3&        \\            
  6716.5\  [SII]        &   82.2&    32.1&    11.8&     6.8&    13.0&    41.5&    84.4\\            
  6730.8\  [SII]        &   77.5&    31.1&    16.3&     9.2&    16.2&    40.3&    88.4\\            
  6890.9\  HeII         &       &        &        &     0.8&        &        &        \\            
  7005.7\  [Arv]        &       &        &     6.1&     9.6&     5.1&        &        \\            
  7065.3\  HeI          &       &     3.6&     4.1&     4.0&     4.0&     2.3&        \\            
  7135.8\  [ArIII]      &   47.7&    40.4&    34.6&    29.2&    33.3&    41.4&    38.6\\            
  7177.0\  HeII         &       &        &     1.9&     2.2&     1.6&        &        \\            
  7237.5\  [ArIV]       &       &        &     0.5&     0.7&     0.6&        &        \\            
  7262.7\  [ArIII]      &       &        &     0.5&     0.6&     0.5&        &        \\            
  7281.3\  HeI          &       &        &     0.5&     0.6&     0.5&        &        \\            
  7319.6\  [OII]        &   15.0&    10.5&    10.6&     9.0&     8.4&     8.9&    15.9\\            
  7330.2\  [OII]        &   18.9&     7.0&     8.4&     7.4&     6.9&     6.5&    11.3\\            
  7529.5\  [ClIV]       &       &        &     0.7&     0.7&     0.5&        &        \\            
  7592.7\  HeII         &       &        &     0.6&     0.6&        &        &        \\            
  7751.1\  [ArIII]      &       &    10.5&     8.9&     7.5&     8.5&    10.7&     9.3\\            
  8045.6\  [ClIV]       &       &        &     1.6&     1.7&     0.9&        &        \\            
  8196.5\  CIII         &       &        &     0.5&     0.6&     0.4&        &        \\            
  8236.8\  HeII         &       &        &     3.1&     3.5&     2.7&        &        \\            
  8502.5\  P16          &       &        &     0.7&     0.8&     0.8&        &        \\            
  8545.4\  P15          &       &        &     0.9&     0.9&     0.9&        &        \\            
  8578.7\  [ClII]       &       &        &     0.5&     0.4&        &        &        \\            
  8598.4\  P14          &       &        &     1.2&     1.2&     1.1&        &        \\            
  8665.0\  P13          &       &        &     1.7&     1.7&     1.6&        &        \\            
  8727.1\  [CI]         &       &        &        &     0.3&        &        &        \\            
  8750.5\  P12          &       &        &     2.0&     2.0&     1.9&        &        \\            
  8862.8\  P11          &       &        &     2.9&     3.1&     2.7&        &        \\            
  8929.1\  HeII         &       &        &        &     0.5&        &        &        \\            
  9014.9\  P10          &       &        &     2.5&     3.2&     3.1&        &        \\            
  9068.9\  [SIII]       &   90.6&    60.9&    43.0&    24.1&    28.6&    87.7&   112. \\            
  9108.5\  HeII         &       &        &        &     0.3&        &        &        \\            
  9229.0\  P9           &       &        &     6.1&     6.4&     5.8&     3.5&     5.9\\            
  9344.9\  HeII         &       &        &     4.2&     5.1&     4.1&        &        \\            
  9531.0\  [SIII]       &  220. &   150. &   102. &    72.3&    87.3&   233. &   290. \\            
F$_{H\beta}^\ast$       &  0.4  & 13.2   &110.4   &204.5   & 73.9   &  8.8   &     3.1\\
c$_\beta$               &0.5    &0.5     &0.4     &0.4     &0.3     &0.4     &    0.3 \\
\hline\\[-4pt]
\end{tabular}
                                           
 $^\ast$[10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$]
 }
\label{T_fluxes2440}
\end{table*}
\begin{table*}[t]
\caption{Observed line fluxes for  NGC 2818  }
{\scriptsize
\begin{tabular}{lrrrr}
\hline
\hline\\[-4pt]
Identification          &     n1 &    cen &     p1 &     p2 \\                              
\hline\\[-4pt]		
  3727.0\  [OII]        &   160. &   114. &   188. &   376. \\                              
  3750.1\  H12          &        &     4.4&        &        \\                              
  3770.6\  H11          &        &     2.1&        &        \\                              
  3797.9\  H10          &        &     6.6&     3.3&        \\                              
  3835.4\  H9           &     5.0&     8.0&     6.6&        \\                              
  3868.7\  [NeIII]      &   101. &   113. &   161. &   174. \\                              
  3889.0\  H8           &    12.1&    13.6&    17.6&        \\                              
  3923.5\  HeII         &        &     1.8&        &        \\                              
  3968.4\  HeII         &    45.4&    52.7&    65.6&    66.3\\                              
  4072.0\  OII          &        &     3.9&        &        \\                              
  4101.8\  H$\delta$    &    19.9&    26.2&    21.7&        \\                              
  4340.5\  H$\gamma$    &    42.4&    46.2&    53.4&    85.8\\                              
  4363.2\  [OIII]       &    16.5&    25.8&    27.5&        \\                              
  4541.6\  HeII         &        &     2.4&     3.9&        \\                              
  4685.7\  HeII         &    91.1&   101. &    86.9&    49.3\\                              
  4711.3\  [ArIV]       &     9.5&    11.6&     6.5&        \\                              
  4740.2\  [ArIV]       &     8.8&     9.4&     6.6&        \\                              
  4861.3\  H$\beta$     &   100. &   100. &   100. &   100. \\                              
  4958.9\  [OIII]       &   371. &   386. &   487. &   442. \\                              
  5006.8\  [OIII]       &  1125. &  1158. &  1452. &  1344. \\                              
  5200.2\  [NI]         &     4.6&        &     2.7&        \\                              
  5411.5\  HeII         &     8.6&     8.8&     8.3&        \\                              
  5517.7\  [ClIII]      &     4.1&        &        &        \\                              
  5537.9\  [ClIII]      &     1.4&        &        &        \\                              
  5754.6\  [NII]        &    11.0&     3.3&     9.1&    19.7\\                              
  5875.7\  HeI          &     8.0&     4.5&     7.0&    13.6\\                              
  6300.3\  [OI]         &    15.6&     1.9&     9.2&    25.2\\                              
  6312.1\  [SIII] b     &     8.1&     8.9&     8.3&     6.8\\                              
  6363.8\  [OI]         &     4.3&        &     2.7&     7.4\\                              
  6435.1\  [ArIV]       &     1.7&        &        &        \\                              
  6548.0\  [NII]        &   152. &    49.7&   122. &   265. \\                              
  6562.8\  H$\alpha$    &   376. &   320. &   313. &   342. \\                              
  6583.4\  [NII]        &   454. &   131. &   362. &   803. \\                              
  6678.8\  H$\alpha$    &     3.5&     2.2&     2.1&        \\                              
  6716.5\  [SII]        &    44.7&    17.5&    41.3&    63.4\\                              
  6730.8\  [SII]        &    38.2&    14.5&    30.1&    46.3\\                              
  7005.7\  [Arv]        &     3.4&     2.8&     3.1&        \\                              
  7065.3\  HeI          &     2.5&        &        &        \\                              
  7135.8\  [ArIII]      &    37.6&    32.4&    36.5&    36.3\\                              
  7177.5\  HeII         &     1.9&        &        &        \\                              
  7325.0\  [OII] b      &        &     3.0&     7.9&    18.9\\                              
  7717.0\  OVI ?        &        &     1.4&        &        \\                              
  7751.1\  [ArIII]      &    10.4&     7.5&     9.1&        \\                              
  8045.6\  [ClIV]       &        &     1.9&        &        \\                              
F$_{H\beta}^\ast$       & 10.4   &  4.7   &  7.7   &  1.3\\
c$_\beta$               &0.4     &0.2     &0.1     &0.3\\
\hline\\[-4pt]
\end{tabular}
                                           
 $^\ast$[10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$]
 }
\label{T_fluxesNGC2818}
\end{table*}
\begin{table*}[t]
\caption{Observed line fluxes for   NGC 2899 }
{\scriptsize
\begin{tabular}{lrrrrr}
\hline
\hline\\[-4pt]
Identification          &    n2 &     n1 &    cen &     p1 &     p2 \\                              
\hline\\[-4pt]
  3727.0\  [OII]        &  500. &   310. &   160. &   374. &   480. \\                              
  3835.4\  H9           &       &     3.3&        &        &        \\                              
  3868.7\  [NeIII]      &  121. &   137. &    96.8&   145. &   104. \\                              
  3889.0\  H8           &   10.6&    13.6&        &    13.8&        \\                              
  3968.4\  HeII         &   43.2&    55.0&    44.1&    61.2&    48.6\\                              
  4070.0\  OII          &       &    12.5&        &    13.3&        \\                              
  4101.8\  H$\delta$    &   14.4&    21.2&    15.4&    17.1&        \\                              
  4340.5\  H$\gamma$    &   41.6&    42.2&    45.7&    40.0&    41.4\\                              
  4363.2\  [OIII]       &       &    19.5&    17.2&    14.3&        \\                              
  4471.5\  HeI          &       &     2.7&        &        &        \\                              
  4541.6\  HeII         &       &     8.6&        &        &        \\                              
  4637.0\  OII          &       &     1.4&        &        &        \\                              
  4685.7\  HeII         &   44.7&    81.1&   104. &    69.5&    41.9\\                              
  4711.3\  [ArIV]       &       &     9.5&    14.0&     7.1&        \\                              
  4740.2\  [ArIV]       &       &     4.7&     7.8&     2.9&        \\                              
  4861.3\  H$\beta$     &  100. &   100. &   100. &   100. &   100. \\                              
  4958.9\  [OIII]       &  258. &   380. &   368. &   355. &   158. \\                              
  5006.8\  [OIII]       &  786. &  1145. &  1097. &  1068. &   476. \\                              
  5200.2\  [NI]         &   52.9&    23.9&     4.6&    26.6&    65.0\\                              
  5411.5\  HeII         &    5.5&     8.2&     8.8&     6.2&        \\                              
  5517.7\  [ClIII]      &       &     2.1&        &     2.6&        \\                              
  5537.9\  [ClIII]      &       &     1.5&        &     1.5&        \\                              
  5754.6\  [NII]        &   60.5&    37.1&    15.3&    43.1&    49.6\\                              
  5875.7\  HeI          &       &    14.9&     7.7&    17.1&    31.6\\                              
  6300.3\  [OI]         &  120. &    54.9&    11.3&    64.8&   176. \\                              
  6312.1\  [SIII] b     &    8.5&    14.7&    12.0&    10.8&        \\                              
  6363.8\  [OI]         &   40.8&    17.2&        &    19.9&    57.5\\                              
  6406.5\  HeII         &       &     0.7&        &        &        \\                              
  6435.1\  [ArIV]       &       &     1.3&        &        &        \\                              
  6548.0\  [NII]        & 1225. &   666. &   263. &   763. &  1155. \\                              
  6562.8\  H$\alpha$    &  508. &   467. &   435. &   442. &   521. \\                              
  6583.4\  [NII]        & 3670. &  2024. &   771. &  2268. &  3536. \\                              
  6678.1\  HeI          &    9.4&     5.8&        &     6.7&    13.2\\                              
  6716.5\  [SII]        &  305. &   162. &    72.7&   183. &   291. \\                              
  6730.8\  [SII]        &  228. &   144. &    51.9&   147. &   211. \\                              
  6890.9\  HeII         &       &     0.9&        &        &        \\                              
  7005.7\  [Arv]        &       &     3.3&    10.2&     1.4&        \\                              
  7065.3\  HeI          &    6.5&     5.0&        &     5.1&    18.3\\                              
  7135.8\  [ArIII]      &   63.2&    69.3&    56.4&    69.3&    43.0\\                              
  7174.0\  HeII         &       &     2.0&        &        &        \\                              
  7325.0\  [OII] b      &       &    31.4&    13.0&    28.9&    30.2\\                              
  7592.7\  HeII         &       &     1.6&        &        &        \\                              
  7751.1\  [ArIII]      &   15.6&    17.9&    12.9&    17.5&        \\                              
  8045.6\  [ClIV]       &       &     1.5&        &        &        \\                              
F$_{H\beta}^\ast$       &  1.9  & 14.8   &  2.2   &  8.8   &  0.6   \\
c$_\beta$               &0.8    &0.7     &0.5     &0.6     &    0.8 \\
\hline\\[-4pt]
\end{tabular}
                                           
 $^\ast$[10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$]
 }
\label{T_fluxesNGC2899}
\end{table*}
\begin{table*}[t]
\caption{Observed line fluxes for  NGC 6072  }
{\scriptsize
\begin{tabular}{lrrrrr}
\hline
\hline\\[-4pt]
Identification          &     n2 &     n1 &    cen &     p1 &     p2 \\            
\hline\\[-4pt]							     
  3727.0\  [OII]        &   347. &   232. &   244. &   224. &   298. \\            
  3868.7\  [NeIII]      &    85.2&    87.6&    94.8&    88.3&    86.9\\            
  3889.0\  H8           &    16.8&    13.3&    15.0&    13.8&    16.6\\            
  3968.4\  HeII         &    50.5&    38.3&    39.3&    38.2&    39.9\\            
  4101.8\  H$\delta$    &    11.6&    15.0&    17.0&    16.7&    10.4\\            
  4340.5\  H$\gamma$    &    36.9&    36.4&    36.9&    37.1&    35.7\\            
  4363.2\  [OIII]       &        &    12.4&    12.7&    11.4&     8.6\\            
  4471.5\  HeI          &        &     5.7&     5.0&        &        \\            
  4685.7\  HeII         &     8.2&    39.7&    44.4&    50.8&    13.5\\            
  4711.3\  [ArIV]       &        &     3.0&     3.2&    3.9 &        \\            
  4861.3\  H$\beta$     &   100. &   100. &   100. &   100. &   100. \\            
  4958.9\  [OIII]       &   376. &   442. &   455. &   451. &   410. \\            
  5006.8\  [OIII]       &  1161. &  1357. &  1386. &  1384. &  1250. \\            
  5200.2\  [NI]         &     9.6&     7.8&     7.7&    8.1 &     7.4\\            
  5411.5\  HeII         &        &     4.1&     4.4&    4.4 &        \\            
  5754.6\  [NII]        &    15.3&    12.3&    13.7&   10.4 &    11.4\\            
  5875.7\  HeI          &    33.2&    23.3&    25.7&   22.6 &    30.3\\            
  6300.3\  [OI]         &    67.3&    48.1&    51.9&    45.5&    40.5\\            
  6363.8\  [OI]         &    18.4&    15.2&    18.6&    14.5&    12.4\\            
  6548.0\  [NII]        &   388. &   275. &   313. &   261. &   286. \\            
  6562.8\  H$\alpha$    &   556. &   526. &   574. &   551. &   521. \\            
  6583.4\  [NII]        &  1154. &   832. &   939. &  777.  &   862. \\            
  6678.1\  HeI          &    11.3&    8.3 &     8.7&    8.0 &     9.7\\            
  6716.5\  [SII]        &    55.4&    11.0&     4.5&   13.1 &    48.2\\            
  6730.8\  [SII]        &    41.9&     9.7&     4.4&   11.3 &    35.6\\            
  7005.7\  [Arv]        &        &        &     1.5&        &        \\            
  7065.3\  HeI          &    12.5&     9.8&    12.0&   9.9  &    11.4\\            
  7135.8\  [ArIII]      &    58.6&    57.1&    63.4&    58.4&    54.1\\            
  7281.3\  HeI          &        &        &     2.3&        &        \\            
  7319.6\  [OII]        &    21.8&    20.0&    24.9&    17.8&        \\            
  7330.2\  [OII]        &    14.9&    15.1&    21.1&    14.0&        \\            
  7325.0\  [OII] b      &        &        &        &        &    26.4\\            
  7751.1\  [ArIII]      &    13.4&    14.8&    19.2&    15.3&    13.0\\            
F$_{H\beta}^\ast$       &  3.2   & 11.9   &  5.5   &  8.3   &  3.2   \\
c$_\beta$               &0.9     &0.9     &  1.0   &   0.9  & 0.9    \\
\hline\\[-4pt]
\end{tabular}
                                           
 $^\ast$[10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$]
 }
\label{T_fluxesNGC6072}
\end{table*}
% this has been modified in order tosplit it into  two columns
\begin{table*}[t]
\caption{Observed line fluxes for  NGC 6537  }
{\scriptsize
\begin{tabular}{lr}
\begin{tabular}{lrrr}
\hline
\hline\\[-4pt]
Identification          &    n1 &    cen &     p1 \\                                                
\hline\\[-4pt]
  3727.0\  [OII]        &   31.0&     9.9&        \\                                                
  3750.1\  H12          &       &     1.0&        \\                                                
  3759.8\  OIII b       &       &     1.9&        \\                                                
  3770.6\  H11          &       &     1.3&        \\                                                
  3797.9\  H10          &       &     1.7&        \\                                                
  3819.6\  HeI          &       &     0.4&        \\                                                
  3835.4\  H9           &       &     2.8&        \\                                                
  3868.7\  [NeIII]      &   34.3&    49.4&    53.1\\                                                
  3889.0\  H8           &       &     6.8&        \\                                                
  3923.5\  HeII         &       &     0.4&        \\                                                
  3968.4\  HeII         &   23.3&    22.5&        \\                                                
  4026.4\  HeI          &       &     1.3&        \\                                                
  4068.6\  [SII]        &       &     5.9&        \\                                                
  4078.9\  OII          &       &     1.0&        \\                                                
  4101.8\  H$\delta$    &       &    13.4&        \\                                                
  4120.8\  HeI          &       &     0.3&        \\                                                
  4143.8\  OII          &       &     0.2&        \\                                                
  4163.0\  [KV]         &       &     0.3&        \\                                                
  4199.8\  HeII         &       &     0.9&        \\                                                
  4215.7\  NIII         &       &     0.3&        \\                                                
  4340.5\  H$\gamma$    &       &    26.8&        \\                                                
  4363.2\  [OIII]       &       &    15.9&    10.3\\                                                
  4471.5\  HeI          &       &     2.7&        \\                                                
  4541.6\  HeII         &       &     2.5&        \\                                                
  4607.3\  NII          &       &     1.1&        \\                                                
  4641.0\  NIII b       &       &     9.3&        \\                                                
  4658.1\  [FeIII]      &       &     0.3&        \\                                                
  4685.7\  HeII         &   50.7&    83.2&    52.0\\                                                
  4711.3\  [ArIV]       &   19.6&    14.5&        \\                                                
  4724.1\  [NeIV]       &       &     5.0&        \\                                                
  4740.2\  [ArIV]       &   19.1&    21.6&        \\                                                
  4861.3\  H$\beta$     &  100. &   100. &   100. \\                                                
  4958.9\  [OIII]       &  423. &   389. &   425. \\                                                
  5006.8\  [OIII]       & 1271. &  1229. &  1334. \\                                                
  5200.2\  [NI]         &    9.1&     3.9&     5.7\\                                                
  5310.0\               &       &     0.2&        \\                                                
  5323.3\  [ClIV]       &       &     0.3&        \\                                                
  5411.5\  HeII         &    7.5&    14.6&     4.7\\                                                
  5517.7\  [ClIII]      &       &     0.8&        \\                                                
  5537.9\  [ClIII]      &       &     1.9&        \\                                                
  5593.0\  OIII         &       &     0.2&        \\                                                
  5603.0\               &       &     0.1&        \\                                                
  5720.7\               &       &     0.3&        \\                                                
  5754.6\  [NII]        &   46.9&    44.9&    41.7\\                                                
  5875.7\  HeI          &   54.7&    36.2&    41.3\\                                                
  5674.0\               &       &     0.9&        \\                                                
  5913.5\  HeII, [FeII] &       &     0.2&        \\                                                
  5931.8\  NII          &       &     0.2&        \\                                                
  5953.1\  HeII         &       &     0.2&        \\                                                
  5977.0\  HeII         &       &     0.3&        \\                                                
  6004.8\  HeII         &       &     0.3&        \\                                                
  6037.2\  HeII         &       &     0.4&        \\                                                
  6074.3\  HeII         &       &     0.6&        \\                                                
  6087.0\               &       &     1.0&        \\                                                
  6101.8\  [KIV]        &       &     2.5&        \\                                                
  6118.2\  HeII         &       &     0.6&        \\                                                
  6170.7\  HeII         &       &     0.7&        \\                                                
  6231.0\               &       &     1.7&        \\                                                
  6300.3\  [OI]         &   40.5&    28.0&    30.9\\                                                
  6312.1\  [SIII] b     &   20.5&    23.4&    13.8\\                                                
  6347.1\  SiII         &       &     0.9&        \\                                                
  6363.8\  [OI]         &   13.5&     9.3&    10.8\\                                                
  6371.4\  SiII         &       &     0.8&        \\                                                
  6406.5\  HeII         &       &     1.4&        \\                                                
  6435.1\  [ArIV]       &   17.4&    22.8&    10.6\\                                                
  6478.0\               &       &     0.4&        \\                                                
  6500.0\               &       &     0.3&        \\                                                
\hline\\[-4pt]
\end{tabular}
\phantom{pipp} & \phantom{pipp} 
\begin{tabular}{lrrr}
\hline
\hline\\[-4pt]
Identification          &    n1 &    cen &     p1 \\                                                
\hline\\[-4pt]
  6548.0\  [NII]        & 1003. &  497.  &    854.\\
  6562.8\  H$\alpha$    & 1135. &  1120. &    995.\\
  6583.4\  [NII]        & 2897. &  1430. &  2553. \\
  6678.1\  HeI          &   32.1&    17.1&    28.4\\                                                
  6716.5\  [SII]        &  101. &    24.5&    96.2\\                                                
  6730.8\  [SII]        &  142. &    46.6&   124. \\                                                
  6746.0\               &       &     0.3&        \\                                                
  6794.0\               &       &     0.8&        \\                                                
  6815.0\               &       &     0.2&        \\                                                
  6828.0\               &       &     0.6&        \\                                                
  6850.0\               &       &     0.3&        \\                                                
  6890.9\  HeII         &       &     2.8&        \\                                                
  7005.7\  [Arv]        &   38.7&    71.3&    31.0\\                                                
  7065.3\  HeI          &   46.6&    38.6&    35.0\\                                                
  7135.8\  [ArIII]      &  210. &   177. &   148. \\                                                
  7170.6\  [ArIV]       &   12.9&     9.7&        \\                                                
  7174.0\               &       &    14.5&        \\                                                
  7177.5\  HeII         &       &     4.8&        \\                                                
  7237.5\  [ArIV]       &    3.7&     6.2&        \\                                                
  7262.7\  [ArIII]      &       &     7.0&        \\                                                
  7281.3\  HeI          &       &     4.4&        \\                                                
  7319.6\  [OII]        &       &    47.9&        \\                                                
  7330.2\  [OII]        &       &    39.4&        \\                                                
  7325.0\  [OII] b      &   89.0&        &    54.0\\                                 
  7499.8\  HeI          &       &     0.2&        \\                                                
  7529.5\  [ClIV]       &    4.4&     6.8&        \\                                                
  7582.0\               &       &     1.1&        \\                                                
  7592.7\  HeII         &    5.6&     9.7&        \\                                                
  7703.6\               &       &     0.4&        \\                                                
  7715.0\               &       &     1.7&        \\                                                
  7751.1\  [ArIII]      &   61.7&    52.9&    34.9\\                                                
  7816.2\  HeI          &       &     0.6&        \\                                                
  7860.0\               &       &     0.5&        \\                                                
  7875.8\               &       &     0.7&        \\                                                
  8019.0\               &       &     0.2&        \\                                                
  8045.6\  [ClIV]       &   14.6&    19.6&     8.1\\                                                
  8196.5\  CIII         &       &     0.5&        \\                                                
  8236.8\  HeII         &       &    18.5&     8.7\\                                                
  8374.5\  P21          &       &     1.5&        \\                                                
  8392.4\  P20          &       &     1.9&        \\                                                
  8413.3\  P19          &       &     1.9&        \\                                                
  8438.0\  P18          &       &     3.6&        \\                                                
  8467.3\  P17          &       &     3.0&        \\                                                
  8502.5\  P16          &       &     4.3&        \\                                                
  8545.4\  P15          &       &     5.1&        \\                                                
  8578.7\  [ClII]       &       &     5.3&        \\                                                
  8598.4\  P14          &       &     6.7&        \\                                                
  8626.2\               &       &     0.4&        \\                                                
  8665.0\  P13          &       &     9.8&        \\                                                
  8701.4\               &       &     1.0&        \\                                                
  8727.1\  [CI]         &       &     1.4&        \\                                                
  8750.5\  P12          &       &    13.0&     8.9\\                                                
  8776.9\               &       &     0.5&        \\                                                
  8799.0\               &       &     1.3&        \\                                                
  8862.8\  P11          &       &    19.1&    15.3\\                                                
  8929.1\  HeII         &       &        &        \\                                                
  8997.0\  HeI          &       &     0.7&        \\                                                
  9014.9\  P10          &       &    24.7&    23.3\\                                                
  9068.9\  [SIII]       &  830. &   833. &   807. \\                                                
  9108.5\  HeII         &       &     1.7&        \\                                                
  9123.6\               &       &     1.5&        \\                                                
  9210.3\  HeI          &       &     1.8&        \\                                                
  9229.0\  P9           &   35.8&    41.6&    41.0\\                                                
  9108.5\  HeII         &       &     4.8&        \\                                                
  9463.6\               &       &     1.7&        \\                                                
  9531.0\  [SIII]       & 1966. &  1847. &  2140. \\                                                
F$_{H\beta}^\ast$&  1.6& 77.1&  1.4\\
c$_\beta$   &1.9 &1.9 &1.8\\
\hline\\[-4pt]
\end{tabular}
\\
\end{tabular}
                                         
 $^\ast$[10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$]
 }
\label{T_fluxes NGC 6537  }
\end{table*}
\begin{table*}[t]
\caption{Observed line fluxes for  He 2-36   }
{\scriptsize
\begin{tabular}{lrr}
\hline
\hline\\[-4pt]
Identification          &    n1 &     p1 \\                                                         
\hline\\[-4pt]
  3727.0\  [OII]        &   94.1&    80.0\\                                                         
  3835.4\  H9           &       &     3.8\\                                                         
  3868.7\  [NeIII]      &   71.5&    84.4\\                                                         
  3889.0\  H8           &    9.9&    10.5\\                                                         
  3967.4\  [NeIII]      &   33.4&    34.2\\                                                         
  4101.8\  H$\delta$    &   18.9&    16.7\\                                                         
  4340.5\  H$\gamma$    &   35.5&    40.3\\                                                         
  4363.2\  [OIII]       &   14.0&    15.4\\                                                         
  4471.5\  HeI          &       &     2.2\\                                                         
  4685.7\  HeII         &   59.4&    58.8\\                                                         
  4711.3\  [ArIV]       &       &     4.3\\                                                         
  4740.2\  [ArIV]       &       &     3.8\\                                                         
  4861.3\  H$\beta$     &  100. &   100. \\                                                         
  4958.9\  [OIII]       &  480. &   498. \\                                                         
  5006.8\  [OIII]       & 1467. &  1527. \\                                                         
  5411.5\  HeII         &    6.4&     4.9\\                                                         
  5754.6\  [NII]        &    2.0&     1.7\\                                                         
  5875.7\  HeI          &    9.8&    10.3\\                                                         
  6300.3\  [OI]         &    3.4&     3.8\\                                                         
  6312.1\  [SIII] b     &    5.6&     4.1\\                                                         
  6363.8\  [OI]         &    1.8&     1.4\\                                                         
  6562.8\  H$\alpha$    &  557. &   510. \\                                                         
  6583.4\  [NII]        &  130. &   101. \\                                                         
  6678.1\  HeI          &    3.9&     4.3\\                                                         
  6716.5\  [SII]        &   20.5&    15.5\\                                                         
  6730.8\  [SII]        &   19.3&    16.7\\                                                         
  7065.3\  HeI          &    3.7&     3.6\\                                                         
  7135.8\  [ArIII]      &   44.2&    38.9\\                                                         
  7325.0\  [OII] b      &   12.2&     9.6\\                                                         
F$_{H\beta}^\ast$       &    4.9&     6.5\\
c$_\beta$               &   0.9 &     0.8\\
\hline\\[-4pt]
\end{tabular}
                                           
 $^\ast$[10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$]
 }
\label{T_fluxesHe2-36}
\end{table*}
\begin{table*}[t]
\caption{Observed line fluxes for  He 2-84   }
{\scriptsize
\begin{tabular}{lrrr}
\hline
\hline\\[-4pt]
Identification          &    cen \\                                                
\hline\\[-4pt]			 
  3727.0\  [OII]        &    37.6\\                                                
  3797.9\  H10          &     4.8\\                                                
  3835.4\  H9           &     2.9\\                                                
  3868.7\  [NeIII]      &    54.9\\                                                
  3889.0\  H8           &     6.5\\                                                
  3968.4\  HeII         &    24.8\\                                                
  4068.6\  [SII]        &     6.5\\                                                
  4101.8\  H$\delta$    &    14.0\\                                                
  4340.5\  H$\gamma$    &    25.8\\                                                
  4363.2\  [OIII]       &     6.9\\                                                
  4471.5\  HeI          &     2.6\\                                                
  4637.0\  OII          &     2.6\\                                                
  4685.7\  HeII         &    26.9\\                                                
  4711.3\  [ArIV]       &     5.6\\                                                
  4740.2\  [ArIV]       &     6.0\\                                                
  4861.3\  H$\beta$     &   100. \\                                                
  4958.9\  [OIII]       &   466. \\                                                
  5006.8\  [OIII]       &  1494. \\                                                
  5200.2\  [NI]         &     6.2\\                                                
  5411.5\  HeII         &     4.9\\                                                
  5537.9\  [ClIII]      &     1.9\\                                                
  5754.6\  [NII]        &    21.2\\                                                
  5875.7\  HeI          &    37.5\\                                                
  6300.3\  [OI]         &    43.4\\                                                
  6312.1\  [SIII] b     &    13.9\\                                                
  6363.8\  [OI]         &    14.2\\                                                
  6435.1\  [ArIV]       &     1.4\\                                                
  6548.0\  [NII]        &   425. \\                                                
  6562.8\  H$\alpha$    &   983. \\                                                
  6583.4\  [NII]        &  1263. \\                                                
  6678.1\  HeI          &    15.5\\                                                
  6716.5\  [SII]        &    72.5\\                                                
  6730.8\  [SII]        &   105. \\                                                
  6890.9\  HeII         &     0.7\\                                                
  7005.7\  [Arv]        &     5.6\\                                                
  7065.3\  HeI          &    27.6\\                                                
  7135.8\  [ArIII]      &   168. \\                                                
  7237.5\  [ArIV]       &     2.1\\                                                
  7262.7\  [ArIII]      &     1.6\\                                                
  7281.3\  HeI          &     4.6\\                                                
  7319.6\  [OII]        &    48.1\\                                                
  7330.2\  [OII]        &    40.6\\                                                
  7529.5\  [ClIV]       &     2.3\\                                                
  7751.1\  [ArIII]      &    49.5\\                                                
  8045.6\  [ClIV]       &     5.5\\                                                
  8236.8\  HeII         &     6.6\\                                                
  8502.5\  P16          &     4.5\\                                                
  8545.4\  P15          &     5.1\\                                                
  8578.7\  [ClII]       &     4.6\\                                                
  8598.4\  P14          &     6.5\\                                                
  8665.0\  P13          &     9.6\\                                                
  8727.1\  [CI]         &     3.4\\                                                
  8750.5\  P12          &    11.3\\                                                
  8862.8\  P11          &    15.9\\                                                
  9014.9\  P10          &    23.7\\                                                
  9068.9\  [SIII]       &   728. \\                                                
  9229.0\  P9           &    37.3\\                                                
  9531.0\  [SIII]       &  1750. \\                                                
F$_{H\beta}^\ast$       &     3.1\\
c$_\beta$               &     1.8\\
\hline\\[-4pt]
\end{tabular}
                                           
 $^\ast$[10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$]
 }
\label{T_fluxesHe2-84}
\end{table*}
\begin{table*}[t]
\caption{Observed line fluxes for He 2-111   }
{\scriptsize
\begin{tabular}{lrrr}
\hline
\hline\\[-4pt]
Identification          &    n1 &    cen &    p1  \\                                                
\hline\\[-4pt]
  3727.0\  [OII]        &  129. &   122. &   214. \\                                                
  3835.4\  H9           &       &     3.7&     4.0\\                                                
  3868.7\  [NeIII]      &  113. &   104. &   151. \\                                                
  3889.0\  H8           &   20.8&    13.6&    17.6\\                                                
  3968.4\  HeII         &   40.0&    39.5&    56.0\\                                                
  4070.0\  OII          &   11.2&    12.5&    10.2\\                                                
  4101.8\  H$\delta$    &   15.6&    16.8&    16.4\\                                                
  4340.5\  H$\gamma$    &   29.9&    34.7&    35.1\\                                                
  4363.2\  [OIII]       &   19.0&    16.8&    19.4\\                                                
  4471.5\  HeI          &    4.4&     6.1&     6.4\\                                                
  4541.6\  HeII         &       &        &     3.4\\                                                
  4637.0\  OII          &       &        &     3.1\\                                                
  4685.7\  HeII         &   91.2&    92.9&    69.0\\                                                
  4711.3\  [ArIV]       &   15.1&    17.2&    10.0\\                                                
  4724.1\  [NeIV]       &    2.6&     3.0&     1.5\\                                                
  4740.2\  [ArIV]       &   12.8&    12.3&     7.2\\                                                
  4861.3\  H$\beta$     &  100. &   100. &   100. \\                                                
  4958.9\  [OIII]       &  434. &   401. &   425. \\                                                
  5006.8\  [OIII]       & 1341. &  1251. &  1314. \\                                                
  5200.2\  [NI]         &   70.6&    67.6&    88.3\\                                                
  5411.5\  HeII         &   11.0&    12.0&     8.0\\                                                
  5517.7\  [ClIII]      &    3.4&     3.6&     2.8\\                                                
  5537.9\  [ClIII]      &    3.2&     3.3&     2.7\\                                                
  5754.6\  [NII]        &   57.3&    65.6&    68.5\\                                                
  5875.7\  HeI          &   33.8&    35.0&    39.3\\                                                
  6300.3\  [OI]         &   80.8&    89.1&    94.4\\                                                
  6312.1\  [SIII] b     &   21.2&    23.1&    16.5\\                                                
  6363.8\  [OI]         &   26.6&    29.3&    30.9\\                                                
  6435.1\  [ArIV]       &    4.8&     5.8&     1.1\\                                                
  6548.0\  [NII]        & 1443. &  1599. &  1707. \\                                                
  6562.8\  H$\alpha$    &  691. &   695. &   689. \\                                                
  6583.4\  [NII]        & 4417. &  4852. &  5225. \\                                                
  6678.1\  HeI          &   16.9&    14.3&    16.6\\                                                
  6716.5\  [SII]        &  258. &   245. &   293. \\                                                
  6730.8\  [SII]        &  265. &   297. &   279. \\                                                
  7005.7\  [Arv]        &   15.6&    16.8&     3.9\\                                                
  7065.3\  HeI          &   13.7&    15.4&    14.3\\                                                
  7135.8\  [ArIII]      &  152. &   154. &   144. \\                                                
  7174.0\  [ArIII]      &    5.3&        &     3.0\\                                                
  7325.0\  [OII] b      &   34.6&    44.8&    38.2\\                                                
  7529.5\  [ClIV]       &    1.6&     2.2&     1.5\\                                                
  7592.7\  HeII         &       &     4.2&     2.6\\                                                
  7751.1\  [ArIII]      &   39.7&    40.6&    37.3\\                                                
  8045.6\  [ClIV]       &    5.0&     4.9&     2.7\\                                                
F$_{H\beta}^\ast$       &  6.6  &     4.9&     8.3\\
c$_\beta$               &    1.3&     1.2&     1.2\\
\hline\\[-4pt]
\end{tabular}
                                           
 $^\ast$[10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$]
 }
\label{T_fluxesHe2-111}
\end{table*}
\begin{table*}[t]
\caption{Observed line fluxes for  He 2-114  }
{\scriptsize
\begin{tabular}{lrrr}
\hline
\hline\\[-4pt]
Identification          &    n1 &    cen &     p1 \\                                                
\hline\\[-4pt]
  3727.0\  [OII]        &  375. &   318. &   396. \\                                                
  3868.7\  [NeIII]      &   65.5&    87.2&    69.6\\                                                
  3889.0\  H8           &   11.6&        &        \\                                                
  3968.4\  HeII         &       &    21.2&    36.2\\                                                
  4101.8\  H$\delta$    &       &        &    14.8\\                                                
  4340.5\  H$\gamma$    &   35.7&    27.7&    30.3\\                                                
  4363.2\  [OIII]       &       &     5.6&     2.9\\                                                
  4685.7\  HeII         &       &    14.6&        \\                                                
  4861.3\  H$\beta$     &  100. &   100. &   100. \\                                                
  4958.9\  [OIII]       &  264. &   421. &   267. \\                                                
  5006.8\  [OIII]       &  834. &  1285. &   820. \\                                                
  5200.2\  [NI]         &   27.3&    13.5&    20.6\\                                                
  5754.6\  [NII]        &   11.1&     7.5&    10.8\\                                                
  5875.7\  HeI          &   27.8&    32.2&    26.1\\                                                
  6300.3\  [OI]         &   82.5&    57.2&    68.3\\                                                
  6363.8\  [OI]         &   25.8&    21.8&    20.9\\                                                
  6548.0\  [NII]        &  414. &   338. &   372. \\                                                
  6562.8\  H$\alpha$    &  558. &   670. &   499. \\                                                
  6583.4\  [NII]        & 1281. &  1020. &  1121. \\                                                
  6678.1\  HeI          &    6.7&    13.2&     7.9\\                                                
  6716.5\  [SII]        &   36.3&    24.8&    34.4\\                                                
  6730.8\  [SII]        &   30.5&    20.4&    29.2\\                                                
  7065.3\  HeI          &   11.1&     7.5&    11.6\\                                                
  7135.8\  [ArIII]      &   62.1&    75.9&    59.5\\                                                
  7325.0\  [OII] b      &   25.4&    29.8&    31.1\\                                                
  7751.1\  [ArIII]      &   17.4&    17.4&    14.8\\                                                
F$_{H\beta}^\ast$       &  1.3  &  1.0   &     1.5\\
c$_\beta$               & 0.9   &   1.3  &     0.9\\
\hline\\[-4pt]
\end{tabular}
                                           
 $^\ast$[10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$]
 }
\label{T_fluxesHe2-114}
\end{table*}

\begin{table*}[t]
\caption{Observed line fluxes for   M 1-13   }
{\scriptsize
\begin{tabular}{lrrr}
\hline
\hline\\[-4pt]
Identification          &    n1 &    cen &     p1 \\                                                
\hline\\[-4pt]
  3727.0\  [OII]        &  340. &   213. &   384. \\                                                
  3751.0\  [NeIII]      &       &     3.0&        \\                                                
  3770.6\  H11          &       &     2.7&     3.4\\                                                
  3797.9\  H10          &    3.8&     2.9&     2.7\\                                                
  3819.6\  HeI          &       &     0.6&        \\                                                
  3835.4\  H9           &    4.7&     4.5&     5.4\\                                                
  3868.7\  [NeIII]      &   82.9&    88.8&   104. \\                                                
  3889.0\  H8           &   18.4&    16.6&    21.3\\                                                
  3968.4\  HeII         &   42.9&    40.3&    45.6\\                                                
  4026.4\  HeI          &       &     1.5&        \\                                                
  4070.0\  OII          &       &     1.9&        \\                                                
  4101.8\  H$\delta$    &   19.1&    21.4&    21.0\\                                                
  4340.5\  H$\gamma$    &   42.2&    40.0&    41.6\\                                                
  4363.2\  [OIII]       &    5.2&     7.8&     6.8\\                                                
  4471.5\  HeI          &    4.0&     4.8&     6.7\\                                                
  4640.2\  [NII]        &       &     2.3&        \\                                                
  4685.7\  HeII         &    3.9&    23.4&     7.8\\                                                
  4711.3\  [ArIV]       &       &     2.7&        \\                                                
  4740.2\  [ArIV]       &       &     1.1&        \\                                                
  4861.3\  H$\beta$     &  100. &   100. &   100. \\                                                
  4921.9\  HeI          &       &     1.4&        \\                                                
  4958.9\  [OIII]       &  358. &   397. &   355. \\                                                
  5006.8\  [OIII]       & 1099. &  1229. &  1086. \\                                                
  5200.2\  [NI]         &   13.2&     6.8&    12.0\\                                                
  5411.5\  HeII         &       &     2.4&     1.0\\                                                
  5517.7\  [ClIII]      &       &     0.9&        \\                                                
  5537.9\  [ClIII]      &       &     0.9&        \\                                                
  5754.6\  [NII]        &   14.3&     8.6&    12.1\\                                                
  5875.7\  HeI          &   26.2&    19.8&    21.5\\                                                
  6300.3\  [OI]         &   55.5&    31.0&    46.5\\                                                
  6312.1\  [SIII] b     &       &     1.3&        \\                                                
  6363.8\  [OI]         &   18.2&    10.7&    15.2\\                                                
  6548.0\  [NII]        &       &   207. &   289. \\                                                
  6562.8\  H$\alpha$    &  480. &   429. &   372. \\                                                
  6583.4\  [NII]        & 1008. &   596. &   839. \\                                                
  6678.1\  HeI          &    8.5&     6.4&     6.1\\                                                
  6716.5\  [SII]        &   44.1&    17.4&    32.9\\                                                
  6730.8\  [SII]        &   41.1&    19.8&    31.6\\                                                
  7005.7\  [Arv]        &       &     0.4&        \\                                                
  7065.3\  HeI          &    8.2&     6.5&     6.2\\                                                
  7135.8\  [ArIII]      &   52.0&    41.6&    36.2\\                                                
  7177.5\  HeII         &       &     0.5&        \\                                                
  7281.3\  HeI          &    2.2&     1.2&        \\                                                
  7325.0\  [OII] b      &   31.2&    23.4&    25.6\\                                                
  7529.5\  [ClIV]       &       &     0.4&        \\                                                
  7751.1\  [ArIII]      &   13.6&    10.8&     8.6\\                                                
  8045.6\  [ClIV]       &       &     0.5&        \\                                                
F$_{H\beta}^\ast$       &    8.6&    24.8&    12.3\\
c$_\beta$               &   0.7 &    0.6 &    0.4 \\
\hline\\[-4pt]
\end{tabular}
                                           
 $^\ast$[10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$]
 }
\label{T_fluxesM1-13}
\end{table*}

\begin{table*}[t]
\caption{Observed line fluxes for  M 1-16    }
{\scriptsize
\begin{tabular}{lr}
\hline
\hline\\[-4pt]
Identification          &   cen \\                                                                  
\hline\\[-4pt]
  3727.0\  [OII]        &   98.6\\                                                                  
  3770.6\  H11          &    1.5\\                                                                  
  3797.9\  H10          &    1.4\\                                                                  
  3835.4\  H9           &    4.5\\                                                                  
  3868.7\  [NeIII]      &   82.2\\                                                                  
  3889.0\  H8           &   13.9\\                                                                  
  3968.4\  HeII         &   35.1\\                                                                  
  4026.4\  HeI          &    1.6\\                                                                  
  4070.0\  OII          &    1.7\\                                                                  
  4101.8\  H$\delta$    &   18.6\\                                                                  
  4340.5\  H$\gamma$    &   35.1\\                                                                  
  4363.2\  [OIII]       &   12.2\\                                                                  
  4471.5\  HeI          &    4.5\\                                                                  
  4640.2\  [OIII]       &    3.2\\                                                                  
  4658.1\  [FeIII]      &   21.7\\                                                                  
  4711.3\  [ArIV]       &    3.1\\                                                                  
  4740.2\  [ArIV]       &    3.0\\                                                                  
  4861.3\  H$\beta$     &  100. \\                                                                  
  4921.9\  HeI          &    2.3\\                                                                  
  4958.9\  [OIII]       &  418. \\                                                                  
  5006.8\  [OIII]       & 1284. \\                                                                  
  5200.2\  [NI]         &    8.3\\                                                                  
  5411.5\  HeII         &    2.8\\                                                                  
  5517.7\  [ClIII]      &    0.6\\                                                                  
  5537.9\  [ClIII]      &    0.9\\                                                                  
  5754.6\  [NII]        &   24.5\\                                                                  
  5875.7\  HeI          &   24.7\\                                                                  
  6300.3\  [OI]         &   22.7\\                                                                  
  6312.1\  [SIII] b     &    1.8\\                                                                  
  6363.8\  [OI]         &    8.0\\                                                                  
  6406.5\  HeII         &    0.2\\                                                                  
  6435.1\  [ArIV]       &    0.3\\                                                                  
  6548.0\  [NII]        &  455. \\                                                                  
  6562.8\  H$\alpha$    &  491. \\                                                                  
  6583.4\  [NII]        & 1317. \\                                                                  
  6678.1\  HeI          &    8.2\\                                                                  
  6716.5\  [SII]        &   10.7\\                                                                  
  6730.8\  [SII]        &   13.7\\                                                                  
  6890.9\  HeII         &    0.2\\                                                                  
  7065.3\  HeI          &   15.0\\                                                                  
  7135.8\  [ArIII]      &   44.4\\                                                                  
  7170.6\  [ArIV]       &    1.0\\                                                                  
  7237.5\  [ArIV]       &    0.6\\                                                                  
  7281.3\  HeI          &    1.9\\                                                                  
  7325.0\  [OII] b      &   43.1\\                                                                  
  7751.1\  [ArIII]      &   12.1\\                                                                  
  7816.2\  HeI          &    0.5\\                                                                  
  8045.6\  [ClIV]       &    0.9\\                                                                  
F$_{H\beta}^\ast$       &   31.2\\
c$_\beta$               &   0.8 \\
\hline\\[-4pt]
\end{tabular}
                                           
 $^\ast$[10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$]
 }
\label{T_fluxesM1-16}
\end{table*}
\begin{table*}[t]
\caption{Observed line fluxes for  M 3-2     }
{\scriptsize
\begin{tabular}{lrrr}
hline
Identification          &   cen\\                         
\hline\\[-4pt]			   
  3727.0\  [OII]        &  146. \\                         
  3868.7\  [NeIII]      &  130. \\                         
  3889.0\  H8           &   17.6\\                         
  3968.4\  HeII         &   35.6\\                         
  4101.8\  H$\delta$    &   22.0\\                         
  4340.5\  H$\gamma$    &   36.4\\                         
  4363.2\  [OIII]       &    7.9\\                         
  4471.5\  HeI          &    9.6\\                         
  4685.7\  HeII         &   80.9\\                         
  4711.3\  [ArIV]       &    6.3\\                         
  4861.3\  H$\beta$     &  100. \\                         
  4958.9\  [OIII]       &  153. \\                         
  5006.8\  [OIII]       &  442. \\                         
  5200.2\  [NI]         &   13.9\\                         
  5411.5\  HeII         &    7.2\\                         
  5754.6\  [NII]        &   27.6\\                         
  5875.7\  HeI          &   27.7\\                         
  6300.3\  [OI]         &   11.3\\                         
  6312.1\  [SIII] b     &    4.1\\                         
  6363.8\  [OI]         &    3.6\\                         
  6548.0\  [NII]        &  422. \\                         
  6562.8\  H$\alpha$    &  391. \\                         
  6583.4\  [NII]        & 1257. \\                         
  6678.1\  HeI          &    8.8\\                         
  6716.5\  [SII]        &   42.4\\                         
  6730.8\  [SII]        &   35.7\\                         
  7065.3\  HeI          &    8.1\\                         
  7135.8\  [ArIII]      &   24.9\\                         
  7325.0\  [OII] b      &    9.1\\                         
  7751.1\  [ArIII]      &    4.1\\                         

F$_{H\beta}^\ast$       &  5.7  \\
c$_\beta$               &0.5    \\
\hline\\[-4pt]
\end{tabular}
                                           
 $^\ast$[10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$]
 }
\label{T_fluxesM3-2}
\end{table*}

\begin{table*}[t]
\caption{Observed line fluxes for Mz 1       }
{\scriptsize
\begin{tabular}{lrrrrr}
\hline
\hline\\[-4pt]
Identification          &    n2 &     n1 &    cen &     p1 &     p2 \\                              
\hline\\[-4pt]
  3727.0\  [OII]        &  490. &   173. &    69.0&   138. &   472. \\                              
  3835.4\  H9           &       &        &     2.8&     2.5&        \\                              
  3868.7\  [NeIII]      &  160. &    69.2&    64.0&    71.8&   130. \\                              
  3889.0\  H8           &       &    16.4&    13.4&    16.9&    25.6\\                              
  3968.4\  HeII         &   46.7&    31.4&    30.1&    35.5&    44.6\\                              
  4072.0\  OII          &       &        &     3.6&     5.4&        \\                              
  4101.8\  H$\delta$    &       &    20.1&    22.4&    21.6&    16.7\\                              
  4340.5\  H$\gamma$    &   40.1&    38.4&    40.8&    40.1&    37.9\\                              
  4363.2\  [OIII]       &       &     2.1&     3.2&     2.8&        \\                              
  4471.5\  HeI          &       &     7.5&     5.2&     4.2&        \\                              
  4642.0\  OII          &       &        &     8.5&        &        \\                              
  4685.7\  HeII         &       &     9.2&    48.2&    19.8&        \\                              
  4711.3\  [ArIV]       &       &        &     4.0&        &        \\                              
  4740.2\  [ArIV]       &       &        &     3.1&        &        \\                              
  4861.3\  H$\beta$     &  100. &   100. &   100. &   100. &   100. \\                              
  4958.9\  [OIII]       &  269. &   233. &   238. &   241. &   201. \\                              
  5006.8\  [OIII]       &  813. &   709. &   735. &   737. &   603. \\                              
  5200.2\  [NI]         &   21.2&     8.7&     2.2&     6.9&    18.0\\                              
  5411.5\  HeII         &       &        &     4.2&     1.5&        \\                              
  5754.6\  [NII]        &   29.1&     8.5&     3.5&     6.4&    14.4\\                              
  5875.7\  HeI          &   41.8&    29.1&    23.7&    25.2&    29.1\\                              
  6300.3\  [OI]         &   93.7&    25.9&     7.0&    21.5&    55.9\\                              
  6312.1\  [SIII] b     &       &        &     1.7&     2.1&        \\                              
  6363.8\  [OI]         &   38.3&     8.8&     2.3&     7.0&    19.2\\                              
  6548.0\  [NII]        &  750. &   275. &   107. &   215. &   493. \\                              
  6562.8\  H$\alpha$    &  629. &   497. &   476. &   463. &   462. \\                              
  6583.4\  [NII]        & 2190. &   815. &   293. &   620. &  1434. \\                              
  6678.1\  HeI          &   19.9&     9.4&     8.5&     8.3&    10.1\\                              
  6716.5\  [SII]        &  246. &    82.4&    33.3&    62.5&   161. \\                              
  6730.8\  [SII]        &  185. &    72.7&    27.3&    54.8&   126. \\                              
  7005.7\  [Arv]        &       &        &     1.1&        &        \\                              
  7065.3\  HeI          &       &     8.2&     4.5&     6.2&     9.6\\                              
  7135.8\  [ArIII]      &   86.1&    55.6&    40.4&    50.1&    60.2\\                              
  7319.6\  [OII]        &       &     8.0&        &     6.3&        \\                              
  7330.2\  [OII]        &       &     6.7&        &     5.5&        \\                              
  7325.0\  [OII] b      &   22.5&        &     6.5&        &    18.4\\                              
  7751.1\  [ArIII]      &       &    13.4&    10.2&    12.2&        \\                              
  8045.6\  [ClIV]       &       &        &     1.6&        &        \\                              
  8236.8\  HeII         &       &        &     1.5&        &        \\                              
  8665.0\  P13          &       &        &     2.6&     1.9&        \\                              
  8750.5\  P12          &       &     3.5&     2.5&     2.6&        \\                              
  8862.8\  P11          &       &     6.4&     3.4&     3.6&        \\                              
  9014.9\  P10          &       &     5.6&     4.6&     4.5&        \\                              
  9068.9\  [SIII]       &  246. &   155. &   109. &   123. &   136. \\                              
  9229.0\  P9           &       &     9.0&     7.5&     7.8&        \\                              
  9531.0\  [SIII]       &  287. &   178. &   150. &   177. &   154. \\                              
F$_{H\beta}^\ast$       &  0.9  & 10.1   & 10.0   & 14.9   &     2.2\\
c$_\beta$               &1.0    &0.8     &0.7     &0.7     &    0.7 \\
\hline\\[-4pt]
\end{tabular}
                                           
 $^\ast$[10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$]
 }
\label{T_fluxesMz1}
\end{table*}
\begin{table*}
\caption{Densities, temperatures and  abundances for NGC 2440. 
For the positions in which the [OIII]4363 line is not measured, 
{\em adopted} $T_{[OIII]}$ are put within square brackets. 
The $\%$ errors on the total abundances are also indicated within brackets; 
if they are larger than 80$\%$, they are replaced by the symbol ``:'' as  
the total abundance is considered to be very uncertain.}         
\begin{tabular}{lllllllll}
\hline
               Ion/Elem.&  Line &  n3 &  n2 &  n1 &  cen&  p1 &  p2 &  p3  \\
\hline\\[-7pt]		       
$N_e$                   &       &  450&  510& 1760& 1650& 1270&  510&  690 \\
$T_{[NII]}$             &       &11700&10400&10800&11500&10600&11400&10900 \\
$T_{[OIII]}$            &       &[13500]&13500&14100&14500&14200&13600&13300 \\
He$^+$/H                &4471   &--   &--   &--   &0.044&--   &--   &--    \\
                        &5876   &0.075&0.074&0.054&0.047&0.061&0.059&0.075 \\
                        &6678   &--   &--   &--   &--   &--   &--   &0.100 \\
                        &mean   &0.075&0.074&0.054&0.046&0.061&0.059&0.081 \\
He$^{2+}$/H             &4686   &0.057&0.056&0.072&0.077&0.065&0.064&0.049 \\
{\bf He/H}              &total  &0.133 (36)&0.130 (13)&0.127 ( 9)&0.122 ( 8)&0.126 (10)&0.123 (20)&0.129 (27)\\[4pt]
O$^0$/H $\times10^4$    &6300   &  -- &  0.3&  0.3&  0.2&  0.3&  0.1&  0.2 \\
                        &6364   &  -- &  0.3&  0.3&  0.2&  0.3&  0.1&  0.2 \\
                        &mean   &  -- &  0.3&  0.3&  0.2&  0.3&  0.1&  0.2 \\
O$^+$/H $\times10^4$    &3727   &  1.1&  0.7&  0.5&  0.2&  0.6&  0.7&  1.5 \\
                        &7319   &  1.2&  1.5&  1.0&  0.6&  1.1&  0.9&  2.0 \\
                        &7331   &  1.9&  1.2&  1.0&  0.6&  1.1&  0.8&  1.8 \\
                        &7325   &  -- &  -- &  -- &  -- &  -- &  -- &  --  \\
                        &mean   &  1.2&  0.9&  0.6&  0.3&  0.7&  0.8&  1.6 \\
O$^{2+}$/H $\times10^4$ &4959   &  2.3&  2.1&  1.8&  1.4&  1.7&  2.5&  2.0 \\
                        &5007   &  2.4&  2.2&  1.9&  1.5&  1.8&  2.5&  2.1 \\
                        &mean   &  2.3&  2.1&  1.8&  1.4&  1.8&  2.5&  2.1 \\
 \,\,\, {\it icf}       &       &  1.5&  1.5&  1.8&  1.9&  1.6&  1.6&  1.4 \\
{\bf O/H} $\times10^4$  &total  &  5.1 (39)&  4.4 (17)&  4.3 (12)&  3.3 (13)&  4.1 (12)&  5.3 (21)&  5.1 (36)\\[4pt]
N$^+$/H $\times10^4$    &6548   &  1.5&  1.4&  1.0&  0.6&  1.1&  1.0&  2.2 \\
                        &6584   &  1.6&  1.4&  1.0&  0.6&  1.1&  1.1&  2.3 \\
                        &mean   &  1.6&  1.4&  1.0&  0.6&  1.1&  1.1&  2.3 \\
 \,\,\, {\it icf}       &       &  4.2&  5.1&  6.8& 13. &  5.6&  6.9&  3.1 \\
{\bf N/H} $\times10^4$  &total  &  6.6 (63)&  7.0 (32)&  7.1 (23)&  7.5 (25)&  6.3 (23)&  7.2 (36)&  7.1 (55)\\[4pt]
Ne$^{2+}$/H $\times10^4$&3869   &  0.5&  0.4&  0.3&  0.2&  0.3&  0.5&  0.5 \\
 \,\,\, {\it icf}       &       &  2.2&  2.0&  2.4&  2.3&  2.3&  2.1&  2.4 \\
{\bf Ne/H} $\times10^4$ &total  &  1.2 (72)&  0.8 (33)&  0.8 (19)&  0.5 (24)&  0.7 (19)&  1.1 (38)&  1.3 (72)\\[4pt]
Ar$^{2+}$/H $\times10^6$&7135   &  1.7&  1.6&  1.4&  1.1&  1.5&  1.7&  1.8 \\
Ar$^{3+}$/H $\times10^6$&4740   &  -- &  0.5&  0.8&  0.7&  0.6&  0.4&  --  \\
Ar$^{4+}$/H $\times10^6$&7005   &  -- &  -- &  0.3&  0.4&  0.3&  -- &  --  \\
 \,\,\, {\it icf}       &       &  1.3&  1.2&  1.2&  1.1&  1.2&  1.2&  1.5 \\
{\bf Ar/H} $\times10^6$ &total  &  2.2 (57)&  2.6 (25)&  2.9 (18)&  2.4 (18)&  2.9 (18)&  2.4 (28)&  2.6 (61)\\[4pt]
S$^+$/H $\times10^6$    &6717   &  1.9&  1.0&  0.5&  0.3&  0.6&  1.2&  3.0 \\
                        &6731   &  1.9&  1.0&  0.5&  0.3&  0.6&  1.2&  3.0 \\
                        &mean   &  1.9&  1.0&  0.5&  0.3&  0.6&  1.2&  3.0 \\
S$^{2+}$/H $\times10^6$ &6312   &  -- &  4.1&  2.6&  1.6&  2.1&  6.3&  7.6 \\
                        &9069   &  4.0&  3.0&  2.3&  1.2&  1.8&  4.8&  7.2 \\
                        &9531   &  3.9&  2.9&  2.2&  1.4&  2.2&  5.1&  7.4 \\
                        &mean   &  3.9&  3.1&  2.3&  1.3&  2.0&  5.3&  7.4 \\
 \,\,\, {\it icf}       &       &  1.2&  1.3&  1.4&  1.7&  1.3&  1.4&  1.1 \\
{\bf S/H} $\times10^6$  &total  &  7.1 (47)&  5.2 (20)&  3.9 (16)&  2.6 (16)&  3.4 (16)&  8.9 (26)& 12. (41)\\[4pt]
\end{tabular}
\label{T_abundNGC2440   }
\end{table*}
\begin{table*}
\caption{Densities, temperatures and  abundances for NGC 2818   }         
\begin{tabular}{llllll}
\hline
               Ion/Elem.&  Line &  n1 &  cen&  p1 &  p2  \\
\hline\\[-7pt]		        
$N_e$                   &       &  280&  230&   60&   60 \\
$T_{[NII]}$             &       &13100&12900&12900&13000 \\
$T_{[OIII]}$            &       &14400&16700&15400&[15000] \\
He$^+$/H                &4471   &--   &--   &--   &--    \\
                        &5876   &0.050&0.032&0.052&0.095 \\
                        &6678   &0.072&--   &0.055&--    \\
                        &mean   &0.055&0.032&0.053&0.095 \\
He$^{2+}$/H             &4686   &0.083&0.092&0.078&0.045 \\
{\bf He/H}              &total  &0.138 (15)&0.124 (27)&0.131 (19)&0.140 (36)\\[4pt]
O$^0$/H $\times10^4$    &6300   &  0.1&  -- &  0.1&  0.2 \\
                        &6364   &  0.1&  -- &  0.1&  0.2 \\
                        &mean   &  0.1&  -- &  0.1&  0.2 \\
O$^+$/H $\times10^4$    &3727   &  0.3&  0.2&  0.3&  0.6 \\
                        &7319   &  -- &  -- &  -- &  --  \\
                        &7331   &  -- &  -- &  -- &  --  \\
                        &7325   &  0.3&  0.1&  0.4&  0.7 \\
                        &mean   &  0.3&  0.2&  0.3&  0.6 \\
O$^{2+}$/H $\times10^4$ &4959   &  1.3&  1.0&  1.4&  1.4 \\
                        &5007   &  1.3&  1.0&  1.5&  1.5 \\
                        &mean   &  1.3&  1.0&  1.5&  1.4 \\
 \,\,\, {\it icf}       &       &  1.8&  2.4&  1.8&  1.3 \\
{\bf O/H} $\times10^4$  &total  &  3.0 (24)&  2.7 (37)&  3.2 (25)&  2.6 (44)\\[4pt]
N$^+$/H $\times10^4$    &6548   &  0.3&  0.1&  0.3&  0.6 \\
                        &6584   &  0.3&  0.1&  0.3&  0.6 \\
                        &mean   &  0.3&  0.1&  0.3&  0.6 \\
 \,\,\, {\it icf}       &       & 10.6& 18.0& 10.6&  4.2 \\
{\bf N/H} $\times10^4$  &total  &  3.3 (47)&  2.1:&  3.3 (56)&  2.5:\\[4pt]
Ne$^{2+}$/H $\times10^4$&3869   &  0.4&  0.2&  0.4&  0.5 \\
 \,\,\, {\it icf}       &       &  2.2&  2.8&  2.2&  1.9 \\
{\bf Ne/H} $\times10^4$ &total  &  0.8 (44)&  0.7 (56)&  0.9 (42)&  1.0 (72)\\[4pt]
Ar$^{2+}$/H $\times10^6$&7135   &  1.2&  1.2&  1.4&  1.3 \\
Ar$^{3+}$/H $\times10^6$&4740   &  0.7&  0.5&  0.4&  --  \\
Ar$^{4+}$/H $\times10^6$&7005   &  0.2&  0.1&  0.2&  --  \\
 \,\,\, {\it icf}       &       &  1.1&  1.1&  1.1&  1.3 \\
{\bf Ar/H} $\times10^6$ &total  &  2.2 (37)&  1.9:&  2.2 (45)&  1.7:\\[4pt]
S$^+$/H $\times10^6$    &6717   &  0.8&  0.4&  0.8&  1.1 \\
                        &6731   &  0.8&  0.4&  0.8&  1.1 \\
                        &mean   &  0.8&  0.4&  0.8&  1.1 \\
S$^{2+}$/H $\times10^6$ &6312   &  4.7&  5.2&  5.4&  4.1 \\
                        &9069   &  -- &  -- &  -- &  --  \\
                        &9531   &  -- &  -- &  -- &  --  \\
                        &mean   &  4.7&  5.2&  5.4&  4.1 \\
 \,\,\, {\it icf}       &       &  1.6&  1.9&  1.6&  1.2 \\
{\bf S/H} $\times10^6$  &total  &  8.6:& 10.:&  9.9:&  6.4:\\[4pt]
\end{tabular}
\label{T_abundNGC2818   }
\end{table*}
\begin{table*}
\caption{Densities, temperatures and  abundances for NGC 2899   }         
\begin{tabular}{lllllll}
\hline
               Ion/Elem.&  Line&  n2 &  n1 &  cen&  p1 &  p2  \\
\hline\\[-7pt]		       
$N_e$                   &      &   90&  340&   50&  190&   60 \\
$T_{[NII]}$             &      &11400&11800&12200&12000&10700 \\
$T_{[OIII]}$            &      &[15000]&16000&15100&14200&[14000] \\
He$^+$/H                &4471  &--   &0.064&--   &--   &--    \\
                        &5876  &--   &0.081&0.047&0.098&0.169 \\
                        &6678  &0.149&0.099&--   &0.117&0.202 \\
                        &mean  &0.149&0.080&0.047&0.106&0.177 \\
He$^{2+}$/H             &4686  &0.043&0.077&0.097&0.064&0.040 \\
{\bf He/H}              &total &0.192 (23)&0.157 ( 7)&0.144 (29)&0.170 (17)&0.216 (23)\\[4pt]
O$^0$/H $\times10^4$    &6300  &  0.9&  0.4&  0.1&  0.5&  1.7 \\
                        &6364  &  1.0&  0.4&  -- &  0.5&  1.7 \\
                        &mean  &  1.0&  0.4&  0.1&  0.5&  1.7 \\
O$^+$/H $\times10^4$    &3727  &  1.8&  1.0&  0.4&  1.1&  2.3 \\
                        &7319  &  -- &  -- &  -- &  -- &  --  \\
                        &7331  &  -- &  -- &  -- &  -- &  --  \\
                        &7325  &  -- &  1.1&  0.5&  1.1&  2.0 \\
                        &mean  &  1.8&  1.0&  0.4&  1.1&  2.2 \\
O$^{2+}$/H $\times10^4$ &4959  &  0.8&  1.0&  1.1&  1.3&  0.6 \\
                        &5007  &  0.8&  1.0&  1.1&  1.3&  0.6 \\
                        &mean  &  0.8&  1.0&  1.1&  1.3&  0.6 \\
 \,\,\, {\it icf}       &      &  1.1&  1.6&  2.1&  1.4&  1.1 \\
{\bf O/H} $\times10^4$  &total &  3.1 (46)&  3.2 (13)&  3.3 (48)&  3.2 (26)&  3.2 (44)\\[4pt]
N$^+$/H $\times10^4$    &6548  &  2.6&  1.4&  0.6&  1.6&  2.8 \\
                        &6584  &  2.6&  1.4&  0.6&  1.6&  2.9 \\
                        &mean  &  2.6&  1.4&  0.6&  1.6&  2.8 \\
 \,\,\, {\it icf}       &      &  1.7&  3.1&  7.6&  3.0&  1.4 \\
{\bf N/H} $\times10^4$  &total &  4.4 (75)&  4.4 (20)&  4.3:&  4.8 (41)&  4.1 (69)\\[4pt]
Ne$^{2+}$/H $\times10^4$&3869  &  0.5&  0.4&  0.3&  0.6&  0.5 \\
 \,\,\, {\it icf}       &      &  3.9&  3.1&  2.9&  2.5&  5.5 \\
{\bf Ne/H} $\times10^4$ &total &  1.8 (72)&  1.3 (25)&  0.9:&  1.5 (51)&  2.8 (80)\\[4pt]
Ar$^{2+}$/H $\times10^6$&7135  &  1.6&  1.8&  1.7&  2.0&  1.2 \\
Ar$^{3+}$/H $\times10^6$&4740  &  -- &  0.3&  0.5&  0.2&  --  \\
Ar$^{4+}$/H $\times10^6$&7005  &  -- &  0.1&  0.4&  0.1&  --  \\
 \,\,\, {\it icf}       &      &  2.5&  1.5&  1.1&  1.5&  3.2 \\
{\bf Ar/H} $\times10^6$ &total &  4.0:&  3.2 (22)&  3.0 (62)&  3.4 (42)&  4.0:\\[4pt]
S$^+$/H $\times10^6$    &6717  &  5.0&  3.1&  1.2&  3.2&  5.3 \\
                        &6731  &  5.0&  3.1&  1.2&  3.2&  5.3 \\
                        &mean  &  5.0&  3.1&  1.2&  3.2&  5.3 \\
S$^{2+}$/H $\times10^6$ &6312  &  5.0&  7.8&  7.1&  6.7&  --  \\
                        &9069  &  -- &  -- &  -- &  -- &  --  \\
                        &9531  &  -- &  -- &  -- &  -- &  --  \\
                        &mean  &  5.0&  7.8&  7.1&  6.8&  --  \\
 \,\,\, {\it icf}       &      &  1.0&  1.1&  1.4&  1.1&  1.0 \\
{\bf S/H} $\times10^6$  &total & 10. (47)& 12. (32)& 12.:& 11. (54)&  --      \\[4pt]
\end{tabular}
\label{T_abundNGC2899   }
\end{table*}
\begin{table*}
\caption{Densities, temperatures and  abundances for NGC 6072   }         
\begin{tabular}{lllllll}
\hline
               Ion/Elem.&  Line &  n2 &  n1 &  cen&  p1 &  p2  \\
\hline\\[-7pt]		       				      
$N_e$                   &       &  100&  310&  510&  290&   80 \\
$T_{[NII]}$             &       &10500&11000&11000&10600&10500 \\
$T_{[OIII]}$            &       &[11500]&12700&12800&12300&11400 \\
He$^+$/H                &4471   &--   &0.144&0.127&--   &--    \\
                        &5876   &0.160&0.115&0.118&0.108&0.150 \\
                        &6678   &0.150&0.118&0.112&0.108&0.135 \\
                        &mean   &0.156&0.120&0.117&0.108&0.145 \\
He$^{2+}$/H             &4686   &0.008&0.037&0.042&0.047&0.013 \\
{\bf He/H}              &total  &0.164 (20)&0.157 ( 9)&0.159 (17)&0.156 (15)&0.157 (21)\\[4pt]
O$^0$/H $\times10^4$    &6300   &  0.6&  0.4&  0.4&  0.4&  0.4\\
                        &6364   &  0.5&  0.4&  0.4&  0.4&  0.4\\
                        &mean   &  0.6&  0.4&  0.4&  0.4&  0.4\\
O$^+$/H $\times10^4$    &3727   &  2.0&  1.1&  1.3&  1.3&  1.6\\
                        &7319   &  2.5&  1.6&  1.7&  1.7&  -- \\
                        &7331   &  2.1&  1.5&  1.8&  1.7&  -- \\
                        &7325   &  -- &  -- &  -- &  -- &  1.8\\
                        &mean   &  2.1&  1.2&  1.4&  1.4&  1.7\\
O$^{2+}$/H $\times10^4$ &4959   &  2.4&  2.1&  2.1&  2.4&  2.7\\
                        &5007   &  2.5&  2.2&  2.1&  2.5&  2.8\\
                        &mean   &  2.5&  2.2&  2.1&  2.4&  2.7\\
 \,\,\, {\it icf}       &       &  1.0&  1.2&  1.2&  1.3&  1.1\\
{\bf O/H} $\times10^4$  &total  &  4.7 (38)&  4.0 (21)&  4.3 (37)&  4.8 (30)&  4.7 (42)\\[4pt]
N$^+$/H $\times10^4$    &6548   &  0.9&  0.6&  0.6&  0.6&  0.7 \\
                        &6584   &  0.9&  0.6&  0.6&  0.6&  0.7 \\
                        &mean   &  0.9&  0.6&  0.6&  0.6&  0.7 \\
 \,\,\, {\it icf}       &       &  2.3&  3.4&  3.1&  3.5&  2.8 \\
{\bf N/H} $\times10^4$  &total  &  2.0 (66)&  2.0 (40)&  1.9 (69)&  2.1 (56)&  1.9 (78)\\[4pt]
Ne$^{2+}$/H $\times10^4$&3869   &  0.9&  0.6&  0.7&  0.7&  0.9 \\
 \,\,\, {\it icf}       &       &  1.9&  1.9&  2.0&  2.0&  1.7 \\
{\bf Ne/H} $\times10^4$ &total  &  1.6 (67)&  1.1 (38)&  1.4 (67)&  1.4 (54)&  1.5 (74)\\[4pt]
Ar$^{2+}$/H $\times10^6$&7135   &  1.8&  1.6&  1.6&  1.7&  1.8\\
Ar$^{3+}$/H $\times10^6$&4740   &  -- &  0.1&  -- &  0.3&  -- \\
Ar$^{4+}$/H $\times10^6$&7005   &  -- &  -- &  -- &  -- &  -- \\
 \,\,\, {\it icf}       &       &  1.8&  1.4&  1.5&  1.4&  1.6\\
{\bf Ar/H} $\times10^6$ &total  &  3.2 (65)&  2.4 (36)&  2.4 (65)&  2.7 (49)&  2.8 (78)\\[4pt]
S$^+$/H $\times10^6$    &6717   &  1.0&  0.2&  0.1&  0.3&  0.9\\
                        &6731   &  1.0&  0.2&  0.1&  0.3&  0.9\\
                        &mean   &  1.0&  0.2&  0.1&  0.3&  0.9\\
S$^{2+}$/H $\times10^6$ &6312   &  -- &  -- &  -- &  -- &  -- \\
                        &9069   &  -- &  -- &  -- &  -- &  -- \\
                        &9531   &  -- &  -- &  -- &  -- &  -- \\
                        &mean   &  -- &  -- &  -- &  -- &  -- \\
 \,\,\, {\it icf}       &       &  1.1&  1.2&  1.1&  1.2&  1.1\\
{\bf S/H} $\times10^6$  &total  &  --      &  --      &  --      &  --      &  --    \\[4pt]
\end{tabular}
\label{T_abundNGC6072}
\end{table*}
\begin{table*}
\caption{Densities, temperatures and  abundances for NGC 6537   }         
\begin{tabular}{lllll}
\hline
               Ion/Elem.&  Line   &  n1 &  cen&  p1  \\
\hline\\[-7pt]			
$N_e$                   &         & 1830  & 7200 & 1400 \\
$T_{[NII]}$             &         &13200  &17500 &12800 \\
$T_{[OIII]}$            &         &[14000]&17000 &13500 \\
He$^+$/H                &4471     &--     &0.067 &--    \\
                        &5876     &0.138  &0.072 &0.118 \\
                        &6678     &0.193  &0.101 &0.198 \\
                        &mean     &0.176  &0.075 &0.139 \\
He$^{2+}$/H             &4686     &0.054  &0.090 &0.054 \\
{\bf He/H}              &total    &0.210 (20)&0.165 ( 7)&0.193 (20)\\[4pt]
O$^0$/H $\times10^4$    &6300     &  0.1&  -- &  0.1 \\
                        &6364     &  0.1&  -- &  0.1 \\
                        &mean     &  0.1&  -- &  0.1 \\
O$^+$/H $\times10^4$    &3727     &  0.2&  -- &  --  \\
                        &7319     &  -- &  0.1&  --  \\
                        &7331     &  -- &  0.1&  --  \\
                        &7325     &  0.3&  -- &  0.4 \\
                        &mean     &  0.2&  0.1&  0.4 \\
O$^{2+}$/H $\times10^4$ &4959     &  1.4&  0.8&  1.6 \\
                        &5007     &  1.4&  0.9&  1.7 \\
                        &mean     &  1.4&  0.9&  1.7 \\
 \,\,\, {\it icf}       &         &  1.2&  1.7&  1.2 \\
{\bf O/H} $\times10^4$  &total    &  2.0 (30)&  1.5 ( 8)&  2.5 (35)\\[4pt]
N$^+$/H $\times10^4$    &6548     &  0.6&  0.2&  0.9 \\
                        &6584     &  0.7&  0.2&  0.9 \\
                        &mean     &  0.7&  0.2&  0.9 \\
 \,\,\, {\it icf}       &         &  9.3& 28. & 6.7  \\
{\bf N/H} $\times10^4$  &total    &  6.2 (55)&  5.8 (14)&  4.7 (59)\\[4pt]
Ne$^{2+}$/H $\times10^4$&3869     &  0.3&  0.3&  0.5 \\
 \,\,\, {\it icf}       &         &  1.4&  1.8&  1.5 \\
{\bf Ne/H} $\times10^4$ &total    &  0.5 (55)&  0.5 (15)&  0.8 (78)\\[4pt]
Ar$^{2+}$/H $\times10^6$&7135     &  1.7&  1.0&  1.5 \\
Ar$^{3+}$/H $\times10^6$&4740     &  1.6&  1.1&  --  \\
Ar$^{4+}$/H $\times10^6$&7005     &  0.5&  0.7&  0.5 \\
 \,\,\, {\it icf}       &         &  1.1&  1.0&  1.2 \\
{\bf Ar/H} $\times10^6$ &total    &  4.2 (48)&  3.0 ( 9)&  2.3 (50)\\[4pt]
S$^+$/H $\times10^6$    &6717     &  0.9&  0.3&  1.0 \\
                        &6731     &  0.9&  0.3&  1.0 \\
                        &mean     &  0.9&  0.3&  1.0 \\
S$^{2+}$/H $\times10^6$ &6312     &  4.5&  2.5&  3.8 \\
                        &9069     &  4.2&  3.3&  5.5 \\
                        &9531     &  3.6&  2.6&  5.4 \\
                        &mean     &  4.0&  2.6&  4.9 \\
 \,\,\, {\it icf}       &         &  1.5&  2.1&  1.4 \\
{\bf S/H} $\times10^6$  &total    &  7.5 (42)&  6.2 (10)& 8.0  (80)\\[4pt]
\end{tabular}
\label{T_abundNGC6537   }
\end{table*}
\end{document}
