\begin{table}%ta.9 online %\centering \par \caption{\label{pox4lineas}Dereddened line intensity ratios with respect to $I$(\Hb)=100 for regions analyzed in POX~4, UM 420, and SBS 0926+606.} %\centerline {\tiny { \begin{tabular}{lr@{\hspace{5pt}}r@{\hspace{8pt}} r@{\hspace{8pt}}r@{\hspace{8pt}}r@{\hspace{8pt}}r@{\hspace{8pt}}} \noalign{\smallskip} \tableline\tableline \noalign{\smallskip} \noalign{\smallskip} Line & $f(\lambda)$& POX 4 & POX 4 Comp & UM 420 & SBS 0926+606A & SBS 0926+606B \\ \noalign{\smallskip} \tableline \noalign{\smallskip} 3679.36 H I & 0.265 & 0.30 $\pm$ 0.07 & \nodata & \nodata & \nodata & \nodata\\ 3682.81 H I & 0.264 & 0.40 $\pm$ 0.08 & \nodata & \nodata & \nodata & \nodata\\ 3686.83 H I & 0.263 & 0.74 $\pm$ 0.10 & \nodata & \nodata & \nodata & \nodata\\ 3691.56 H I & 0.263 & 0.92 $\pm$ 0.11 & \nodata & \nodata & \nodata & \nodata\\ 3697.15 H I & 0.262 & 1.08 $\pm$ 0.12 & \nodata & 0.53: & \nodata & \nodata\\ 3703.86 H I & 0.260 & 2.02 $\pm$ 0.17 & \nodata & 0.93 $\pm$ 0.36 & \nodata & \nodata\\ 3711.97 H I & 0.259 & 1.86 $\pm$ 0.16 & \nodata & 1.14 $\pm$ 0.38 & \nodata & \nodata\\ 3721.83 [S III] & 0.257 & 3.68 $\pm$ 0.24 & \nodata & 1.30 $\pm$ 0.39 & \nodata & \nodata\\ 3726.03 [O II] & 0.257 & 42.8 $\pm$ 2.0 & 142 $\pm$ 35 & 85.9 $\pm$ 4.7 & \nodata & \nodata\\ 3728.82 [O II] & 0.256 & 57.1 $\pm$ 2.7 & 165 $\pm$ 40 & 140.2 $\pm$ 7.5 & \nodata & \nodata\\ 3734.17 H I & 0.255 & 2.58 $\pm$ 0.19 & \nodata & 2.19 $\pm$ 0.45 & \nodata & \nodata\\ 3750.15 H I & 0.253 & 2.88 $\pm$ 0.21 & \nodata & 2.32 $\pm$ 0.46 & \nodata & \nodata\\ 3770.63 H I & 0.249 & 3.77 $\pm$ 0.25 & \nodata & 2.41 $\pm$ 0.47 & \nodata & \nodata\\ 3797.90 H I & 0.244 & 5.30 $\pm$ 0.37 & \nodata & 3.36 $\pm$ 0.75 & \nodata & \nodata\\ 3819.61 He I & 0.240 & 0.91 $\pm$ 0.11 & \nodata & 0.87: & \nodata & \nodata\\ 3835.39 H I & 0.237 & 7.18 $\pm$ 0.40 & \nodata & 5.96 $\pm$ 0.70 & \nodata & \nodata\\ 3868.75 [Ne III] & 0.230 & 51.7 $\pm$ 2.3 & 35.6: & 29.7 $\pm$ 2.0 & \nodata & \nodata\\ 3889.05 H I & 0.226 & 17.75 $\pm$ 0.95 & \nodata & 16.8 $\pm$ 1.5 & \nodata & \nodata\\ 3967.46 [Ne III] & 0.210 & 16.17 $\pm$ 0.78 & \nodata & 6.45 $\pm$ 0.72 & \nodata & \nodata\\ 3970.07 H I & 0.210 & 15.36 $\pm$ 0.71 & \nodata & 16.1 $\pm$ 1.2 & \nodata & \nodata\\ 4009.22 He I & 0.202 & 0.15 $\pm$ 0.06 & \nodata & \nodata & \nodata & \nodata\\ 4026.21 He I & 0.198 & 1.57 $\pm$ 0.14 & \nodata & 1.55 $\pm$ 0.40 & \nodata & \nodata\\ 4068.60 [S II] & 0.189 & 0.92 $\pm$ 0.11 & \nodata & 2.40 $\pm$ 0.46 & \nodata & \nodata\\ 4076.35 [S II] & 0.187 & 0.28 $\pm$ 0.07 & \nodata & 0.71: & \nodata & \nodata\\ 4101.74 H I & 0.182 & 26.0 $\pm$ 1.2 & \nodata & 26.1 $\pm$ 2.1 & \nodata & \nodata\\ 4143.76 He I & 0.172 & 0.13: & \nodata & \nodata & \nodata & \nodata\\ 4168.97 He I & 0.167 & \nodata & \nodata & \nodata & 0.77 $\pm$ 0.25 & \nodata\\ 4276.83 [Fe II] & 0.142 & 0.08: & \nodata & \nodata & \nodata & \nodata\\ 4287.40 [Fe II] & 0.139 & 0.11: & \nodata & 0.42: & \nodata & \nodata\\ 4340.47 H I & 0.127 & 51.2 $\pm$ 2.3 & 49 $\pm$ 16 & 47.0 $\pm$ 3.0 & 47.5 $\pm$ 2.8 & 47.4 $\pm$ 9.1\\ 4363.21 [O III] & 0.121 & 11.89 $\pm$ 0.61 & \nodata & 4.48 $\pm$ 0.82 & 7.00 $\pm$ 0.66 & \nodata\\ 4387.93 He I & 0.115 & 0.42 $\pm$ 0.08 & \nodata & 0.21: & \nodata & \nodata\\ 4413.78 [Fe III] & 0.109 & 0.07: & \nodata & \nodata & \nodata & \nodata\\ 4471.48 He I & 0.095 & 4.12 $\pm$ 0.26 & \nodata & 3.07 $\pm$ 0.50 & 3.69 $\pm$ 0.41 & \nodata\\ 4562.60 Mg I] & 0.073 & 0.19 $\pm$ 0.06 & \nodata & \nodata & 0.44: & \nodata\\ 4571.20 Mg I] & 0.071 & 0.13: & \nodata & \nodata & \nodata & \nodata\\ 4658.10 [Fe III] & 0.050 & 0.64 $\pm$ 0.09 & \nodata & 1.31 $\pm$ 0.46 & 1.20 $\pm$ 0.40 & \nodata\\ 4686.00 He II & 0.043 & 1.21 $\pm$ 0.16 & \nodata & 1.04 $\pm$ 0.28 & 0.72 $\pm$ 0.21 & \nodata\\ 4701.53 [Fe III] & 0.039 & 0.14: & \nodata & \nodata & \nodata & \nodata\\ 4711.37 [Ar IV] & 0.037 & 1.86 $\pm$ 0.15 & \nodata & \nodata & 0.49: & \nodata\\ 4713.14 He I & 0.037 & \nodata & \nodata & 0.45: & 0.72 $\pm$ 0.24 & \nodata\\ 4740.16 [Ar IV] & 0.030 & 1.34 $\pm$ 0.12 & \nodata & \nodata & 0.49: & \nodata\\ 4754.83 [Fe III] & 0.026 & \nodata & \nodata & \nodata & 0.29: & \nodata\\ % 4769.60 [Fe III] & 0.023 & 0.07: & \nodata & \nodata & \nodata & \nodata\\ 4861.33 H I & 0.000 & 100.0 $\pm$ 4.3 & 100 $\pm$ 19 & 100.0 $\pm$ 5.5 & 100.0 $\pm$ 4.9 & 100 $\pm$ 14\\ 4881.00 [Fe III] & --0.005 & 0.15 $\pm$ 0.06 & \nodata & \nodata & 0.29: & \nodata\\ 4921.93 He I & --0.015 & 0.49 $\pm$ 0.10 & \nodata & 0.22: & 0.38: & \nodata\\ 4958.91 [O III] & --0.024 & 237 $\pm$ 10 & 93 $\pm$ 19 & 106.8 $\pm$ 6.0 & 157.8 $\pm$ 7.7 & 134 $\pm$ 18\\ 4985.90 [Fe III] & --0.031 & 0.57 $\pm$ 0.09 & \nodata & 0.57: & \nodata & \nodata\\ 5006.84 [O III] & --0.036 & 731 $\pm$ 32 & 255 $\pm$ 55 & 312 $\pm$ 17 & \nodata & \nodata\\ 5015.68 He I & --0.038 & 2.57 $\pm$ 0.21 & \nodata & \nodata & \nodata & \nodata\\ 5041.03 Si II & --0.044 & 0.14: & \nodata & \nodata & \nodata & \nodata\\ 5047.74 He I & --0.046 & 0.16 $\pm$ 0.06 & \nodata & \nodata & \nodata & \nodata\\ 5197.90 [N I] & --0.082 & 0.23 $\pm$ 0.06 & \nodata & \nodata & \nodata & \nodata\\ 5200.26 [N I] & --0.083 & 0.30 $\pm$ 0.07 & \nodata & \nodata & \nodata & \nodata\\ 5270.40 [Fe III] & --0.100 & \nodata & \nodata & 0.48: & \nodata& \nodata\\ 5517.71 [Cl III] & --0.154 & 0.31 $\pm$ 0.07 & \nodata & 0.25: & \nodata & \nodata\\ 5537.88 [Cl III] & --0.158 & 0.23 $\pm$ 0.08 & \nodata & 0.26: & \nodata & \nodata\\ 5754.64 [N II] & --0.194 & 0.08: & \nodata & 0.59: & \nodata & \nodata\\ 5875.64 He I & --0.215 & 10.93 $\pm$ 0.56 & \nodata & 10.51 $\pm$ 0.79 & 10.77 $\pm$ 0.85 & 12.4 $\pm$ 4.0\\ 6300.30 [O I] & --0.282 & 1.81 $\pm$ 0.12 & \nodata & 7.49 $\pm$ 0.49 & 3.13 $\pm$ 0.30 & 5.32:\\ 6312.10 [S III] & --0.283 & 1.60 $\pm$ 0.12 & \nodata & 1.75 $\pm$ 0.18 & 1.98 $\pm$ 0.24 & \nodata\\ 6363.78 [O I] & --0.291 & 0.61 $\pm$ 0.09 & \nodata & 2.06 $\pm$ 0.41 & 0.92 $\pm$ 0.23 & 2.24:\\ 6371.36 Si II & --0.292 & 0.05: & \nodata & \nodata & \nodata & \nodata\\ 6548.03 [N II] & --0.318 & 1.58 $\pm$ 0.11 & \nodata & 9.14 $\pm$ 0.71 & 2.47 $\pm$ 0.30 & 4.51:\\ 6562.82 H I & --0.320 & 285 $\pm$ 12 & 282 $\pm$ 50 & 281 $\pm$ 14 & 286 $\pm$ 15 & 286 $\pm$ 34\\ 6583.41 [N II] & --0.323 & 4.20 $\pm$ 0.23 & 11.7: & 28.4 $\pm$ 1.7 & 7.50 $\pm$ 0.64 & 18.2 $\pm$ 4.6\\ 6678.15 He I & --0.336 & 2.93 $\pm$ 0.20 & \nodata & \nodata & 2.72 $\pm$ 0.34 & 2.63:\\ 6716.47 [S II] & --0.342 & 7.80 $\pm$ 0.38 & 15.9: & \nodata & 16.8 $\pm$ 1.0 & 42.8 $\pm$ 7.0\\ 6730.85 [S II] & --0.344 & 6.03 $\pm$ 0.30 & 10.2: & \nodata & 12.12 $\pm$ 0.77 & 29.5 $\pm$ 5.6\\ 7065.28 He I & --0.387 & \nodata & \nodata & \nodata & 2.45 $\pm$ 0.32 & \nodata\\ 7135.78 [Ar III] & --0.396 & \nodata & \nodata & \nodata & 6.54 $\pm$ 0.45 & 5.09:\\ 7281.35 He I & --0.414 & \nodata & \nodata & \nodata & 0.61 $\pm$ 0.20 & \nodata\\ 7318.39 [O II] & --0.418 & \nodata & \nodata & \nodata & 2.11 $\pm$ 0.23 & 2.22:\\ 7329.66 [O II] & --0.420 & \nodata & \nodata & \nodata & 1.71 $\pm$ 0.22 & 2.05:\\ 7751.10 [Ar III] & --0.467 & \nodata & \nodata & \nodata & 1.75 $\pm$ 0.25 & \nodata\\ \noalign{\smallskip} \tableline \noalign{\smallskip} Aperture size ($\arcsec$) & & $7.2 \times 1$ & $3.6 \times 1$ & $3.6 \times 1 $ & $4.0 \times 1$ & $5.6 \times 1$ \\ Distance ($\arcsec$)$^a$& & -- & 20.4 & -- & -- & 74.4 \\ $F$(\Hb)$^b$ & & 56.0 $\pm$ 1.8 & 0.11 $\pm$ 0.02 & 6.88 $\pm$ 0.27 & 16.20 $\pm$ 0.58 & 1.58 $\pm$ 0.15 \\ $C$(\Hb) & & 0.08 $\pm$ 0.01 & 0.06 $\pm$ 0.03 & 0.09 $\pm$ 0.01 & 0.12 $\pm$ 0.03 & 0.18 $\pm$ 0.04 \\ $W_{\rm abs}$ (\AA) & & 2.0 $\pm$ 0.1 & 1.4 $\pm$ 0.2 & 2.0 $\pm$ 0.1 & 0.7 $\pm$ 0.1 & 1.0 $\pm$ 0.3 \\ \noalign{\smallskip} $-W$(\Ha) (\AA) & & 1075 $\pm$ 48 & 380 $\pm$ 65 & 1076 $\pm$ 55 & 613 $\pm$ 33 & 92 $\pm$ 11 \\ $-W$(\Hb) (\AA) & & 200 $\pm$ 9 & 12 $\pm$ 4 & 169 $\pm$ 10 & 125 $\pm$ 6 & 18 $\pm$ 3 \\ $-W$(H$\gamma$) (\AA)& & 71 $\pm$ 3 & 4 $\pm$ 1 & 69 $\pm$ 4 & 41 $\pm$ 2 & 9 $\pm$ 2 \\ $-W$([O III]) 5007 (\AA)& & 1366 $\pm$ 60 & 19 $\pm$ 3 & 581 $\pm$ 32 & \nodata & \nodata \\ \noalign{\smallskip} \tableline \end{tabular}}} \medskip $^a$ Relative distance of the knot with respect to the main region in the galaxy; $^b$~in units of 10$^{-15}$~erg~s$^{-1}$ cm$^{-2}$ and not corrected for extinction. \end{table}