\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}