\begin{table}%ta.17 online %\centering \par \caption{\label{tol1457lineas}Dereddened line intensity ratios with respect to $I$(\Hb)~=~100 for knots analyzed in Tol~1457-262 (regions~A, B, and~C) and Arp~252 (galaxy A, ESO~566-8, and galaxy B, ESO~566-7).} %\centerline {\small \begin{tabular}{l r@{\hspace{10pt}} r@{\hspace{8pt}}r@{\hspace{8pt}}r@{\hspace{8pt}}r@{\hspace{8pt}}r@{\hspace{8pt}} } \noalign{\smallskip} \hline \hline \noalign{\smallskip} \noalign{\smallskip} Line & $f(\lambda)$ & Tol 1457-262A & Tol~1457-262B & Tol 1457-262C & ESO 566-8 & ESO 566-7 \\ \noalign{\smallskip} \tableline \noalign{\smallskip} 3728.00 [O II] & 0.256 & 224 $\pm$ 17 & 187 $\pm$ 16 & 270 $\pm$ 25 & 256 $\pm$ 18 & 280 $\pm$ 51 \\ 3797.90 H I & 0.244 & 4.46 $\pm$ 0.81 & \nodata & \nodata & \nodata & \nodata \\ 3835.39 H I & 0.237 & 4.29 $\pm$ 0.79 & 11.8 $\pm$ 2.1 & \nodata & 6.0 $\pm$ 1.3 & \nodata \\ 3868.75 [Ne III] & 0.230 & 30.4 $\pm$ 8.9 & 27.1 $\pm$ 9.1 & 23 $\pm$ 11 & 4.77: & \nodata \\ 3889.05 H I & 0.226 & 12.0 $\pm$ 3.0 & 27.3 $\pm$ 5.6 & 23.1 $\pm$ 5.5 & 10.2 $\pm$ 2.9 & \nodata \\ 3967.46 [NeIII]H7 & 0.210 & 21.9 $\pm$ 1.8 & 25.3 $\pm$ 3.5 & 23.3 $\pm$ 4.5 & 14.8 $\pm$ 2.1 & \nodata \\ 4068.60 [S II] & 0.189 & \nodata & \nodata & \nodata & 1.38: & \nodata \\ 4101.74 H I & 0.182 & 26.0 $\pm$ 2.3 & 31.0 $\pm$ 4.6 & 27.0 $\pm$ 5.0 & 25.9 $\pm$ 3.0 & \nodata \\ 4243.97 [Fe II] & 0.149 & \nodata & \nodata & \nodata & 1.12: & \nodata \\ 4340.47 H I & 0.127 & 46.7 $\pm$ 2.8 & 50.8 $\pm$ 5.6 & 48.7 $\pm$ 6.7 & 46.7 $\pm$ 4.2 & 46 $\pm$ 10 \\ 4363.21 [O III] & 0.121 & 8.68 $\pm$ 0.77 & 10.6 $\pm$ 3.1 & 6.8 $\pm$ 2.3 & \nodata & \nodata \\ 4471.48 He I & 0.095 & 4.10 $\pm$ 0.66 & 4.3 $\pm$ 1.0 & 4.9 $\pm$ 1.5 & 5.0 $\pm$ 1.4 & \nodata \\ 4658.10 [Fe III] & 0.050 & 0.85: & 1.12 $\pm$ 0.43 & \nodata & 1.09: & \nodata \\ 4686.00 He II & 0.043 & 1.9 $\pm$ 0.4 & 2.9 $\pm$ 0.3 & \nodata & 0.74 $\pm$ 0.25 & \nodata \\ 4711.37 [Ar IV] & 0.037 & \nodata & \nodata & \nodata & 1.25: & \nodata \\ 4861.33 H I & 0.000 & 100.0 $\pm$ 5.5 & 100.0 $\pm$ 9.0 & 100 $\pm$ 10 & 100.0 $\pm$ 7.1 & 100 $\pm$ 16 \\ % 4921.93 He I & -0.015 & 1.37 $\pm$ 0.41 & \nodata & \nodata & \nodata & \nodata \\ 4958.91 [O III] & --0.024 & 203 $\pm$ 10 & 190 $\pm$ 12 & 163 $\pm$ 11 & 56.9 $\pm$ 4.3 & 25.9 $\pm$ 5.4 \\ 5006.84 [O III] & --0.036 & 560 $\pm$ 27 & 522 $\pm$ 29 & 455 $\pm$ 28 & 204 $\pm$ 12 & 75 $\pm$ 11 \\ 5041.03 Si II & --0.044 & \nodata & \nodata & \nodata & 0.48: & \nodata \\ 5055.98 Si II & --0.048 & \nodata & \nodata & \nodata & 0.33: & \nodata \\ 5197.90 [N I] & --0.082 & \nodata & \nodata & \nodata & 2.96 $\pm$ 0.79 & \nodata \\ 5270.40 [Fe III] & --0.100 & \nodata & \nodata & \nodata & 0.50: & \nodata \\ 5754.64 [N II] & --0.194 & \nodata & \nodata & \nodata & 1.23 $\pm$ 0.32 & \nodata \\ 5875.64 He I & --0.215 & 12.6 $\pm$ 2.8 & 11.3 $\pm$ 2.5 & 13.4 $\pm$ 2.4 & 14.8 $\pm$ 4.4 & 16.25: \\ 6300.30 [O I] & --0.282 & 2.88 $\pm$ 0.33 & 2.23 $\pm$ 0.61 & 4.0 $\pm$ 1.1 & 4.45 $\pm$ 0.54 & 4.42: \\ 6312.10 [S III] & --0.283 & 1.34 $\pm$ 0.24 & 1.76 $\pm$ 0.56 & \nodata & 0.23: & \nodata \\ 6363.78 [O I] & --0.291 & 0.95 $\pm$ 0.23 & 0.96: & 1.00: & 1.64 $\pm$ 0.32 & 3.15: \\ 6548.03 [N II] & --0.318 & 3.13 $\pm$ 0.35 & 2.00 $\pm$ 0.61 & 3.8 $\pm$ 1.3 & 42.4 $\pm$ 3.2 & 40.3 $\pm$ 7.2 \\ 6562.82 H I & --0.320 & 285 $\pm$ 15 & 286 $\pm$ 17 & 279 $\pm$ 18 & 286 $\pm$ 17 & 287 $\pm$ 35 \\ 6583.41 [N II] & --0.323 & 9.32 $\pm$ 0.70 & 5.7 $\pm$ 1.2 & 10.4 $\pm$ 2.2 & 118.3 $\pm$ 7.7 & 121 $\pm$ 15 \\ 6678.15 He I & --0.336 & 3.51 $\pm$ 0.42 & 3.26 $\pm$ 0.94 & 3.6 $\pm$ 1.3 & 5.03 $\pm$ 0.90 & \nodata \\ 6716.47 [S II] & --0.342 & 17.1 $\pm$ 1.0 & 17.6 $\pm$ 2.3 & 26.3 $\pm$ 3.3 & 36.7 $\pm$ 2.7 & 89 $\pm$ 12 \\ 6730.85 [S II] & --0.344 & 13.81 $\pm$ 0.87 & 13.3 $\pm$ 1.9 & 21.2 $\pm$ 2.7 & 32.0 $\pm$ 2.4 & 66 $\pm$ 10 \\ 7065.28 He I & --0.387 & 3.61 $\pm$ 0.47 & 3.1 $\pm$ 1.1 & 3.12: & 3.47 $\pm$ 0.82 & \nodata \\ 7135.78 [Ar III] & --0.396 & 12.39 $\pm$ 0.86 & 11.6 $\pm$ 1.7 & 12.0 $\pm$ 2.5 & 7.7 $\pm$ 1.6 & 14.9: \\ 7155.14 [Fe II] & --0.399 & 0.38: & \nodata & \nodata & \nodata & \nodata \\ 7281.35 He I & --0.414 & 0.83 $\pm$ 0.21 & \nodata & \nodata & \nodata & \nodata \\ 7318.39 [O II] & --0.418 & 3.79 $\pm$ 0.32 & 3.46 $\pm$ 0.75 & 4.7 $\pm$ 1.3 & 2.98 $\pm$ 0.67 & \nodata \\ 7329.66 [O II] & --0.420 & 3.02 $\pm$ 0.26 & 2.98 $\pm$ 0.70 & 3.4 $\pm$ 1.3 & 2.25 $\pm$ 0.60 & \nodata \\ 7751.10 [Ar III] & --0.467 & 2.64 $\pm$ 0.33 & 2.80: & \nodata & 1.93 $\pm$ 0.52 & \nodata \\ \noalign{\smallskip} \tableline \noalign{\smallskip} Aperture size (arcsec) & & $3.8 \times 1$ & $1.5 \times 1$ & $2.25 \times 1$ & $3.2 \times 1$ & $3.0 \times 1$ \\ Distance (arcsec)$^a$& & -- & 9.7 & 5.5 & -- & 49.7 \\ $F$(\Hb)$^b$ & & 222 $\pm$ 8 & 47.7 $\pm$ 2.3 & 33.6 $\pm$ 1.7 & 111 $\pm$ 5 & 10.2 $\pm$ 0.8 \\ $C$(\Hb) & & 0.57 $\pm$ 0.03 & 0.00 $\pm$ 0.05 & 0.15 $\pm$ 0.02 & 0.49 $\pm$ 0.03 & 0.23 $\pm$ 0.05 \\ $W_{\rm abs}$ (\AA) & & 1.4 $\pm$ 0.2 & 0.0 $\pm$ 0.1 & 0.7 $\pm$ 0.1 & 1.3 $\pm$ 0.1 & 2.7 $\pm$ 0.2 \\ \noalign{\smallskip} $-W$(\Ha) (\AA) & & 603 $\pm$ 32 & 390 $\pm$ 28 & 342 $\pm$ 23 & 472 $\pm$ 29 & 79 $\pm$ 10 \\ $-W$(\Hb) (\AA) & & 101 $\pm$ 6 & 82 $\pm$ 7 & 92 $\pm$ 9 & 95 $\pm$ 7 & 13 $\pm$ 2 \\ $-W$(H$\gamma$) (\AA)& & 31 $\pm$ 2 & 24 $\pm$ 3 & 30 $\pm$ 4 & 38 $\pm$ 3 & 4 $\pm$ 2 \\ $-W$([O III]) 5007 (\AA)& & 560 $\pm$ 27 & 430 $\pm$ 25 & 411 $\pm$ 26 & 197 $\pm$ 12 & 10 $\pm$ 3 \\ \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}