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Table B.1.

Emission line fluxes relative to Hβ, their equivalent widths and the derived Hβ extinction coefficients of the IMPs.

J0006+0255 J0028+3035 J0131+0210
line I(λ) EW(λ) I(λ) EW(λ) I(λ) EW(λ)
[OII] 3726 3.4 ± 9.1 3.3 ± 8.8 31.2 ± 2.4 28.1 ± 2.1 7 ± 28 7 ± 28
[OII] 3729 82.6 ± 2.6 78 ± 2.5 32.1 ± 3.1 28.9 ± 2.6 110 ± 110 110 ± 110
Hϵ 3970 * 31.5 ± 1.7 42.9 ± 2.5 36.2 ± 2.5 43.8 ± 3.1 34.8 ± 2.7 55 ± 4.7
He I 4026 2.8 ± 1.2 2.9 ± 1.2 3.5 ± 1.3 3.4 ± 1.3 0.33 ± 0.51 0.38 ± 0.59
[SII] 4069 0.97 ± 0.52 0.99 ± 0.53 5.4 ± 6.3 5.4 ± 6.2 0 ± 1 1.9 ± 1.2
[SII] 4076 1.15 ± 0.72 1.19 ± 0.75 0.73 ± 0.59 0.73 ± 0.59 0 ± 1 0.8 ± 1.2
Hδ 4102 25.1 ± 1.2 35 ± 1.8 26.8 ± 2.3 34.1 ± 3.1 25.2 ± 2.2 37.5 ± 3.8
Hγ 4341 46.1 ± 1.8 71.2 ± 3.2 49.3 ± 2.3 70 ± 3 47.3 ± 2.9 70 ± 5
[OIII] 4363 12.22 ± 0.87 10 ± 1 18.4 ± 1.2 21.1 ± 1.2 12.2 ± 1.5 16.6 ± 2.1
He I 4472 4.36 ± 0.93 5.6 ± 1.2 3.7 ± 1.3 4.7 ± 1.7 4.1 ± 1.2 6.1 ± 1.8
[FeIII] 4659 0.86 ± 0.31 1.18 ± 0.43 0.26 ± 0.56 0.34 ± 0.74 0.7 ± 0.6 1.19 ± 0.98
He II 4686 2.23 ± 0.39 3.2 ± 0.55 2.89 ± 0.43 4.05 ± 0.59 1.41 ± 0.64 2.4 ± 1.1
[ArIV] 4711 1.5 ± 1.6 2.2 ± 2.3 2.14 ± 0.43 3 ± 0.6 0.59 ± 0.86 1 ± 1.5
He I 4713 1.57 ± 0.32 2.29 ± 0.46 2.43 ± 0.77 3.4 ± 1.1 1.83 ± 0.59 0 ± 1
[ArIV] 4740 1.33 ± 0.38 1.95 ± 0.57 2 ± 0.5 2.81 ± 0.72 0.93 ± 0.78 1.6 ± 1.4
Hβ 4861 100 ± 2.9 213.5 ± 8.8 100 ± 4.6 196 ± 13 100 ± 4.4 241 ± 16
He I 4922 1.62 ± 0.91 2.6 ± 1.5 2.2 ± 1.5 3.5 ± 2.3 1.41 ± 0.55 2.8 ± 1.1
[OIII] 4959 167.7 ± 4.4 270.3 ± 6.9 226.6 ± 8.2 363 ± 14 217.6 ± 7.5 422 ± 16
[FeVII] 4989 ... ... ... ... ... ...
[OIII] 5007 508 ± 12 851 ± 19 676 ± 23 1115 ± 42 651 ± 21 1294 ± 46
[NII] 5755 1.2 ± 1.3 2.6 ± 2.9 0.3 ± 0.73 0.6 ± 1.5 0.44 ± 0.44 1.1 ± 1.1
He I 5876 10.4 ± 0.9 24.1 ± 2.2 8.7 ± 1.3 19.3 ± 2.9 10.79 ± 0.81 29.7 ± 2.3
[FeVII] 6086 ... ... ... ... ... ...
[OI] 6300 2.31 ± 0.61 6.1 ± 1.6 1.04 ± 0.62 2.6 ± 1.6 3.65 ± 0.77 11.7 ± 2.5
[SIII] 6312 0.9 ± 0.51 2.4 ± 1.4 1.13 ± 0.69 2.9 ± 1.8 1.75 ± 0.74 5.6 ± 2.4
[OI] 6364 0.63 ± 0.46 1.7 ± 1.2 0.3 ± 0.8 0 ± 2 0.75 ± 0.51 2.4 ± 1.7
[NII] 6548 0.8 ± 0.4 2.5 ± 1.2 0.7 ± 0.15 1.87 ± 0.39 1.51 ± 0.51 5.3 ± 1.8
Hα 6563 270 ± 6 970 ± 33 298.5 ± 9.8 943 ± 13 272.3 ± 9.3 1079 ± 49
[NII] 6583 1.96 ± 0.46 5.7 ± 1.3 1.7 ± 0.2 4.62 ± 0.52 3.69 ± 0.54 12.9 ± 1.9
He I 6678 3.01 ± 0.44 9.1 ± 1.3 3.12 ± 0.22 8.74 ± 0.54 3.31 ± 0.52 10 ± 2
[SII] 6716 8.35 ± 0.56 24.9 ± 1.7 5.48 ± 0.83 15.4 ± 2.4 9.33 ± 0.68 34 ± 2.5
[SII] 6731 6.1 ± 1.2 18.2 ± 3.7 5 ± 1.2 14.1 ± 3.5 6.7 ± 1.4 24.4 ± 5.1
He I 7065 2.89 ± 0.69 9.6 ± 2.3 3.9 ± 1.4 11.7 ± 4.3 1.99 ± 0.52 8.1 ± 2.2
[ArIII] 7136 4.4 ± 1.1 14.5 ± 3.8 3.9 ± 1.2 12 ± 3.9 5.9 ± 1.1 23.9 ± 4.6
[OII] 7320 3.8 ± 3.1 13 ± 11 1.4 ± 1.4 4.6 ± 4.3 1.08 ± 0.81 4.7 ± 3.5
[OII] 7330 0.55 ± 0.45 1.9 ± 1.6 2.9 ± 3.2 9 ± 10 0.97 ± 0.64 4.3 ± 2.8
[ArIII] 7751 1.8 ± 1.4 7.2 ± 5.5 1.6 ± 1.4 5.6 ± 4.9 1.09 ± 0.68 5.3 ± 3.4
[FeII] 8617 0.62 ± 0.96 0 ± 5 0.1 ± 0.2 0.3 ± 0.9 0.04 ± 0.23 0.3 ± 1.6
F(Hβ) † 408 ± 8 362 ± 12 512 ± 16
c(Hβ) 0.045 0.052 0.098
J0138+1114 J0150+1643 J0744+1858
line I(λ) EW(λ) I(λ) EW(λ) I(λ) EW(λ)
[OII] 3726 36 ± 15 34 ± 14 29.7 ± 9.9 38 ± 13 34 ± 1.6 49.4 ± 2.3
[OII] 3729 16 ± 16 15 ± 15 15.7 ± 9.8 20 ± 13 14 ± 1.9 20.3 ± 2.7
Hϵ 3970 * 35.2 ± 1.9 45 ± 2.4 28.7 ± 1.5 51.3 ± 2.9 33.9 ± 1.5 62.8 ± 2.8
He I 4026 2.22 ± 0.66 2.42 ± 0.72 1.16 ± 0.57 1.51 ± 0.74 2.08 ± 0.51 3.4 ± 0.83
[SII] 4069 0.46 ± 0.28 0.51 ± 0.31 0.32 ± 0.53 0.42 ± 0.71 0.7 ± 0.5 1.14 ± 0.83
[SII] 4076 0.39 ± 0.23 0.44 ± 0.25 0.07 ± 0.37 0.1 ± 0.5 1.1 ± 0.92 1.8 ± 1.5
Hδ 4102 25.19 ± 0.89 36.2 ± 1.2 25 ± 1.6 45.7 ± 3.4 24.8 ± 1.4 51.9 ± 3.3
Hγ 4341 46.7 ± 2.3 78.5 ± 5.1 45.8 ± 2.2 94.2 ± 6.3 45.4 ± 1.9 102.6 ± 5.7
[OIII] 4363 16.3 ± 1.2 21.4 ± 1.7 14.9 ± 1.1 22.7 ± 1.8 17.1 ± 1.1 32.9 ± 2.3
He I 4472 0 ± 1 6.1 ± 1.5 3.95 ± 0.74 6.5 ± 1.2 3.51 ± 0.59 7.2 ± 1.2
[FeIII] 4659 0.4 ± 0.51 0.65 ± 0.82 1.4 ± 1.4 2.4 ± 2.6 0.022 ± 0.094 0.05 ± 0.21
He II 4686 2.87 ± 0.54 4.85 ± 0.92 1.65 ± 0.43 3.01 ± 0.78 1.2 ± 0.2 2.8 ± 0.48
[ArIV] 4711 2.38 ± 0.48 4.08 ± 0.82 0.48 ± 0.21 0.89 ± 0.39 1.33 ± 0.93 3.2 ± 2.2
He I 4713 0.9 ± 1.4 1.6 ± 2.4 1.6 ± 0.35 2.96 ± 0.65 3.66 ± 0.23 8.68 ± 0.52
[ArIV] 4740 1.74 ± 0.47 3.02 ± 0.81 1.7 ± 0.4 3.16 ± 0.76 3.09 ± 0.39 7.42 ± 0.93
Hβ 4861 100 ± 3.4 254 ± 13 100 ± 2.9 248 ± 11 100 ± 3.2 317 ± 17
He I 4922 0.79 ± 0.18 1.6 ± 0.37 0.71 ± 0.31 1.5 ± 0.66 0.97 ± 0.25 2.62 ± 0.66
[OIII] 4959 224.7 ± 5.5 445.1 ± 6.5 198.9 ± 4.4 417 ± 10 268.6 ± 7.1 706 ± 18
[FeVII] 4989 ... ... ... ... ... ...
[OIII] 5007 707 ± 17 1441 ± 21 601 ± 13 1288 ± 30 826 ± 20 2264 ± 55
[NII] 5755 0.25 ± 0.43 0.7 ± 1.2 0.31 ± 0.35 0.88 ± 0.99 0.37 ± 0.68 1.3 ± 2.4
He I 5876 9.13 ± 0.45 29.1 ± 1.4 ... ... 11.19 ± 0.36 40.9 ± 1.1
[FeVII] 6086 ... ... ... ... ... ...
[OI] 6300 0.8 ± 0.6 3.2 ± 2.2 1.13 ± 0.33 4 ± 1.2 1.52 ± 0.32 6.4 ± 1.4
[SIII] 6312 0.79 ± 0.55 3 ± 2.1 0.98 ± 0.36 3.4 ± 1.3 1.41 ± 0.34 5.9 ± 1.4
[OI] 6364 1.3 ± 1.8 4.9 ± 6.7 0.72 ± 0.26 2.5 ± 0.9 0.18 ± 0.19 0.75 ± 0.79
[NII] 6548 0.7 ± 0.51 2.9 ± 2.2 0.4 ± 0.3 1.5 ± 1.2 0.59 ± 0.19 2.64 ± 0.83
Hα 6563 269.4 ± 7.4 1322 ± 76 286.5 ± 6.3 1311 ± 44 280.3 ± 6.5 1452 ± 35
[NII] 6583 1.3 ± 1.1 5.4 ± 4.6 1.3 ± 0.38 5 ± 1.5 1.8 ± 0.31 8 ± 1.4
He I 6678 2.51 ± 0.53 11.1 ± 2.4 2.52 ± 0.31 10 ± 1.2 3.09 ± 0.22 10 ± 1
[SII] 6716 2.73 ± 0.47 11.8 ± 2.1 3.99 ± 0.23 15.85 ± 0.89 5.18 ± 0.28 23.8 ± 1.3
[SII] 6731 2.32 ± 0.48 10.1 ± 2.1 3.46 ± 0.24 13.77 ± 0.94 4.4 ± 0.4 20.1 ± 1.8
He I 7065 2.75 ± 0.75 13.8 ± 3.8 2.83 ± 0.54 12.5 ± 2.5 3.42 ± 0.43 17.2 ± 2.2
[ArIII] 7136 3.22 ± 0.87 16.2 ± 4.6 3.24 ± 0.54 14.5 ± 2.5 5.02 ± 0.47 25.5 ± 2.5
[OII] 7320 0.99 ± 0.84 5.3 ± 4.5 1.43 ± 0.65 6.8 ± 3.1 1.08 ± 0.35 5.7 ± 1.8
[OII] 7330 0.5 ± 1.3 2.9 ± 7.2 0.81 ± 0.56 3.8 ± 2.6 0.91 ± 0.33 4.8 ± 1.8
[ArIII] 7751 0.6 ± 0.5 4 ± 3.2 0.91 ± 0.46 4.9 ± 2.5 1.4 ± 0.31 8.2 ± 1.8
[FeII] 8617 0.11 ± 0.17 1 ± 1.5 0.1 ± 0.9 1.1 ± 6.7 ... ...
F(Hβ) † 987 ± 24 1099 ± 24 1377 ± 31
c(Hβ) 0.220 0.177 0.169
J0753+2820 J0809+4918 J1037+2325
line I(λ) EW(λ) I(λ) EW(λ) I(λ) EW(λ)
[OII] 3726 30.6 ± 3.7 37 ± 4.4 94.3 ± 3.8 69.7 ± 2.9 30.1 ± 6.9 11.6 ± 2.7
[OII] 3729 97.6 ± 3.6 117.8 ± 3.6 5.3 ± 7.5 3.8 ± 5.4 78.2 ± 8.2 31.5 ± 3.2
Hϵ 3970 * 30 ± 2 54.3 ± 3.4 29.6 ± 2.4 28.7 ± 2.4 28.2 ± 2.2 15.2 ± 1.1
He I 4026 1.9 ± 0.46 2.69 ± 0.65 1.4 ± 0.92 0.98 ± 0.64 1.63 ± 0.96 0.53 ± 0.31
[SII] 4069 1.42 ± 0.66 2.04 ± 0.95 1.2 ± 2.2 0.8 ± 1.5 2.5 ± 1.6 0.83 ± 0.54
[SII] 4076 0.6 ± 0.5 0.84 ± 0.72 1.3 ± 4.4 0.9 ± 3.1 0.33 ± 0.58 0.1 ± 0.2
Hδ 4102 28 ± 1.7 49.8 ± 3.5 26 ± 1.7 26 ± 1.8 25.6 ± 1.6 12.97 ± 0.79
Hγ 4341 48.1 ± 2.4 98 ± 5.8 46.2 ± 2.4 52.7 ± 3.2 48.1 ± 2.5 24.9 ± 1.3
[OIII] 4363 12.6 ± 1.1 21.4 ± 1.9 12.4 ± 1.3 10.2 ± 1.1 11.5 ± 1.5 4.36 ± 0.58
He I 4472 4.02 ± 0.95 7.5 ± 1.8 3.77 ± 0.93 3.36 ± 0.83 3.7 ± 1.2 1.45 ± 0.48
[FeIII] 4659 0.47 ± 0.33 0.95 ± 0.67 0.83 ± 0.86 0.79 ± 0.82 0 ± 1.3 0 ± 0.55
He II 4686 1.5 ± 0.6 3.3 ± 1.3 2.32 ± 0.57 2.27 ± 0.56 2.99 ± 0.84 1.3 ± 0.37
[ArIV] 4711 1.21 ± 0.55 2.6 ± 1.2 0.81 ± 0.41 0.81 ± 0.41 10 ± 4 3.1 ± 1.8
He I 4713 1.62 ± 0.48 0 ± 1 0.5 ± 0.35 0.5 ± 0.35 0.52 ± 0.65 0.23 ± 0.29
[ArIV] 4740 1.91 ± 0.62 4.1 ± 1.3 0.79 ± 0.52 0.8 ± 0.53 5.6 ± 3.2 2.5 ± 1.4
Hβ 4861 100 ± 4.3 281 ± 17 100 ± 3.1 160 ± 6 100 ± 3.6 63.7 ± 2.1
He I 4922 0.81 ± 0.25 1.99 ± 0.61 0.8 ± 0.3 0.9 ± 0.34 4 ± 5.1 2 ± 2.5
[OIII] 4959 197.3 ± 6.2 482 ± 11 182.6 ± 4.2 207.1 ± 3.2 159 ± 4.7 76.9 ± 1.7
[FeVII] 4989 ... ... ... ... ... ...
[OIII] 5007 649 ± 20 1628 ± 35 571 ± 13 665.2 ± 9.3 493 ± 13 246.6 ± 4.5
[NII] 5755 0.22 ± 0.34 0.7 ± 1.1 6 ± 3.9 9.5 ± 6.2 0.89 ± 0.82 0.5 ± 0.5
He I 5876 10.9 ± 1.3 37.6 ± 4.7 ... ... 9.57 ± 0.91 6.08 ± 0.57
[FeVII] 6086 ... ... ... ... ... ...
[OI] 6300 2.63 ± 0.71 10.4 ± 2.8 2.86 ± 0.46 5.6 ± 0.9 2.58 ± 0.85 1.87 ± 0.62
[SIII] 6312 1.36 ± 0.78 5.3 ± 3.1 1.34 ± 0.64 2.6 ± 1.2 1.24 ± 0.74 0.9 ± 0.54
[OI] 6364 0.7 ± 0.4 2.7 ± 1.6 0.67 ± 0.34 1.32 ± 0.67 7 ± 3.6 5.1 ± 2.6
[NII] 6548 1.6 ± 0.49 6.7 ± 2.1 0.99 ± 0.32 2.17 ± 0.71 1.4 ± 0.6 1.07 ± 0.48
Hα 6563 294.6 ± 9.9 1413 ± 77 283.3 ± 6.4 716 ± 14 278 ± 7.5 270 ± 5
[NII] 6583 3.73 ± 0.57 15.6 ± 2.4 2.6 ± 0.5 5.8 ± 1.1 4.22 ± 0.68 3.31 ± 0.53
He I 6678 3.47 ± 0.59 15.1 ± 2.6 2.57 ± 0.29 5.68 ± 0.64 3.27 ± 0.74 2.6 ± 0.59
[SII] 6716 10.84 ± 0.79 47.3 ± 3.7 9.3 ± 0.64 20.6 ± 1.4 10.94 ± 0.77 8.74 ± 0.58
[SII] 6731 8.1 ± 1.2 35.3 ± 5.3 7.04 ± 0.55 15.6 ± 1.2 7.9 ± 1.7 6.3 ± 1.3
He I 7065 3.9 ± 1.2 20 ± 6 2.82 ± 0.72 7 ± 1.8 2.86 ± 0.59 2.48 ± 0.51
[ArIII] 7136 7.3 ± 1.6 35.3 ± 8.3 4.57 ± 0.56 11.5 ± 1.4 4.71 ± 0.96 4.14 ± 0.84
[OII] 7320 1.6 ± 0.9 7.9 ± 4.5 1.51 ± 0.64 4.1 ± 1.7 1.45 ± 0.43 1.3 ± 0.4
[OII] 7330 2.3 ± 1.5 11.5 ± 7.3 1.51 ± 0.54 4.1 ± 1.4 1.99 ± 0.62 1.82 ± 0.57
[ArIII] 7751 1.7 ± 1.1 9.7 ± 6.6 0.95 ± 0.39 2.9 ± 1.2 4.1 ± 3.7 4.2 ± 3.8
[FeII] 8617 0.06 ± 0.25 0.5 ± 1.9 ... ... 0.2 ± 0.4 0.2 ± 0.5
F(Hβ) † 544 ± 17 725 ± 16 238 ± 6
c(Hβ) 0.042 0.242 0.041
1109+3429 J1141+6059 J1311+3750
line I(λ) EW(λ) I(λ) EW(λ) I(λ) EW(λ)
[OII] 3726 123 ± 5.2 81.3 ± 3.5 130 ± 6 130 ± 8 12 ± 10 23 ± 19
[OII] 3729 8 ± 16 5 ± 10 12.4 ± 5.1 13 ± 5.3 21 ± 11 38 ± 21
Hϵ 3970 * 32.8 ± 1.5 32.6 ± 1.3 32.6 ± 2.2 44.1 ± 3.2 32.1 ± 1.1 83.5 ± 2.7
He I 4026 1.36 ± 0.69 1.01 ± 0.52 2.19 ± 0.72 2.58 ± 0.85 2.1 ± 0.33 4 ± 0.63
[SII] 4069 1.18 ± 0.58 0.9 ± 0.44 2.55 ± 0.56 3.06 ± 0.67 ... ...
[SII] 4076 0.21 ± 0.29 0.16 ± 0.22 0.52 ± 0.52 0.63 ± 0.63 ... ...
Hδ 4102 27.8 ± 1.2 26.02 ± 0.98 27.36 ± 0.96 37.3 ± 1.3 24.8 ± 1.1 60.9 ± 3.1
Hγ 4341 47.1 ± 1.8 51.5 ± 1.8 48.1 ± 1.6 74.1 ± 2.7 45.6 ± 1.7 132.4 ± 5.8
[OIII] 4363 9.33 ± 0.75 8.19 ± 0.64 9.11 ± 0.66 12.75 ± 0.93 19.3 ± 0.91 43.2 ± 2.1
He I 4472 3.09 ± 0.93 2.95 ± 0.89 4.13 ± 0.71 6.2 ± 1.1 3.47 ± 0.43 8.5 ± 1.1
[FeIII] 4659 1.26 ± 0.63 1.3 ± 0.65 0.37 ± 0.21 0.61 ± 0.34 0.43 ± 0.37 1.11 ± 0.95
He II 4686 3.29 ± 0.53 3.57 ± 0.57 3.16 ± 0.38 5.49 ± 0.66 1.35 ± 0.31 3.61 ± 0.82
[ArIV] 4711 0 ± 2 4.4 ± 2.2 0.97 ± 0.22 1.7 ± 0.39 3.16 ± 0.38 10 ± 1
He I 4713 0.46 ± 0.34 0.5 ± 0.37 0.45 ± 0.88 0.8 ± 1.5 0.9 ± 0.39 2.4 ± 1.1
[ArIV] 4740 1.78 ± 0.92 0 ± 1 0.93 ± 0.43 1.65 ± 0.77 2.66 ± 0.36 10 ± 1
Hβ 4861 100 ± 3.7 142.6 ± 6.1 100 ± 2.8 240 ± 10 100 ± 3.5 384 ± 18
He I 4922 1.04 ± 0.74 1.3 ± 0.92 0.78 ± 0.28 1.55 ± 0.55 1.19 ± 0.18 3.73 ± 0.57
[OIII] 4959 176.8 ± 5.4 218.9 ± 7.2 192.2 ± 4.1 378.5 ± 7.5 258.2 ± 6.6 797 ± 15
[FeVII] 4989 ... ... ... ... ... ...
[OIII] 5007 533 ± 15 683 ± 20 684 ± 14 1393 ± 26 794 ± 20 2511 ± 44
[NII] 5755 0.8 ± 1.3 0 ± 2 0.15 ± 0.26 0.38 ± 0.67 ... ...
He I 5876 10.83 ± 0.99 18.3 ± 1.7 9.65 ± 0.64 26.5 ± 1.9 10.91 ± 0.42 48.5 ± 1.7
[FeVII] 6086 ... ... ... ... ... ...
[OI] 6300 2.85 ± 0.65 5.5 ± 1.3 2.95 ± 0.52 9.3 ± 1.7 1.06 ± 0.25 5.5 ± 1.3
[SIII] 6312 1.93 ± 0.82 3.7 ± 1.6 2.77 ± 0.64 8.8 ± 2.1 0.81 ± 0.22 4.2 ± 1.1
[OI] 6364 0.83 ± 0.51 1.61 ± 0.98 1.39 ± 0.52 4.4 ± 1.6 0.18 ± 0.18 0.92 ± 0.97
[NII] 6548 2.16 ± 0.66 4.4 ± 1.3 1.43 ± 0.26 4.8 ± 0.87 1.2 ± 0.3 7 ± 1.7
Hα 6563 284.6 ± 8.1 649 ± 20 289.4 ± 6.2 1142 ± 31 281.1 ± 7.3 1830 ± 72
[NII] 6583 4.8 ± 1.3 9.7 ± 2.6 4.91 ± 0.87 16.5 ± 2.9 1.37 ± 0.51 7.8 ± 2.9
He I 6678 2.72 ± 0.55 5.8 ± 1.2 3.1 ± 0.3 10.7 ± 1.1 3.14 ± 0.32 18.4 ± 1.9
[SII] 6716 13.54 ± 0.76 28.6 ± 1.6 13.26 ± 0.55 50 ± 2 3.24 ± 0.21 19 ± 1.2
[SII] 6731 10 ± 2 19 ± 4.1 9.11 ± 0.89 31.8 ± 3.1 2.79 ± 0.48 16.4 ± 2.8
He I 7065 2.46 ± 0.61 5.6 ± 1.4 2.22 ± 0.35 8.5 ± 1.4 4.25 ± 0.36 27.7 ± 2.5
[ArIII] 7136 10 ± 1 15 ± 2.5 8.21 ± 0.83 31.7 ± 3.5 3.4 ± 0.37 22.4 ± 2.5
[OII] 7320 1.77 ± 0.74 4.2 ± 1.8 1.7 ± 0.3 6.6 ± 1.2 0.63 ± 0.21 4.4 ± 1.5
[OII] 7330 1.08 ± 0.59 2.6 ± 1.4 1.27 ± 0.37 5.1 ± 1.5 0.59 ± 0.19 4.1 ± 1.4
[ArIII] 7751 1.4 ± 0.9 3.7 ± 2.4 1.84 ± 0.82 8.2 ± 3.7 0.87 ± 0.28 6.8 ± 2.2
[FeII] 8617 0.45 ± 0.46 1.5 ± 1.5 0.9 ± 1.5 5.2 ± 9.2 ... ...
F(Hβ) † 437 ± 11 612 ± 12 1691 ± 42
c(Hβ) 0.015 0.027 0.141
J1313+6044 J1338+4213 J1411+0550
line I(λ) EW(λ) I(λ) EW(λ) I(λ) EW(λ)
[OII] 3726 60.5 ± 2.1 72.7 ± 2.9 74 ± 6.4 39.8 ± 3.7 22 ± 10 34 ± 16
[OII] 3729 2.5 ± 3.4 3 ± 4.1 46 ± 16 23.9 ± 8.5 51.4 ± 5.2 79.1 ± 9.8
Hϵ 3970 * 31.3 ± 1.2 47.8 ± 1.9 25.1 ± 2.5 17.9 ± 1.8 33 ± 1.5 69 ± 3.5
He I 4026 1.54 ± 0.31 1.94 ± 0.39 1.9 ± 1.1 0.97 ± 0.57 0.69 ± 0.33 1.1 ± 0.53
[SII] 4069 0.5 ± 1.4 0.7 ± 1.8 0.5 ± 0.6 0.27 ± 0.32 0.88 ± 0.54 1.44 ± 0.89
[SII] 4076 0.5 ± 0.3 0.6 ± 0.4 0.95 ± 0.52 0.51 ± 0.28 0.7 ± 0.7 1.1 ± 1.2
Hδ 4102 26.27 ± 0.63 43.3 ± 1.1 25.5 ± 1.3 18.56 ± 0.79 25.2 ± 1.3 54 ± 3.1
Hγ 4341 47 ± 0.9 90 ± 2 48.7 ± 2.1 40.5 ± 1.4 46.1 ± 1.6 101.6 ± 3.8
[OIII] 4363 14.73 ± 0.43 22.52 ± 0.65 6.12 ± 0.71 3.66 ± 0.41 13.8 ± 0.7 26.2 ± 1.3
He I 4472 3.61 ± 0.38 5.96 ± 0.63 3.4 ± 1.5 0 ± 1 3.59 ± 0.74 7.2 ± 1.5
[FeIII] 4659 0.28 ± 0.12 0.5 ± 0.22 0.15 ± 0.31 0.1 ± 0.22 0.43 ± 0.23 0.9 ± 0.5
He II 4686 2.9 ± 0.2 5.34 ± 0.37 3.38 ± 0.62 2.43 ± 0.44 1.92 ± 0.33 4.37 ± 0.74
[ArIV] 4711 1.99 ± 0.18 3.75 ± 0.33 0.96 ± 0.41 0.7 ± 0.3 1.76 ± 0.27 4.05 ± 0.63
He I 4713 0.05 ± 0.43 0.1 ± 0.81 1.4 ± 2.8 1 ± 2.1 0.52 ± 0.35 1.2 ± 0.8
[ArIV] 4740 0.94 ± 0.16 1.79 ± 0.32 2 ± 1.7 1.5 ± 1.3 1.52 ± 0.34 3.55 ± 0.79
Hβ 4861 100 ± 1.8 271 ± 7.9 100 ± 4.5 112.3 ± 5.8 100 ± 3.3 321 ± 18
He I 4922 0.63 ± 0.17 1.35 ± 0.36 0 ± 1 2.06 ± 0.86 0.9 ± 0.4 0 ± 1
[OIII] 4959 200.2 ± 2.8 426.7 ± 6.4 89.9 ± 3.2 73.7 ± 1.7 249.6 ± 6.2 642 ± 19
[FeVII] 4989 ... ... ... ... ... ...
[OIII] 5007 606.6 ± 8.1 1333 ± 20 278.1 ± 9.2 237.5 ± 4.6 741 ± 18 1954 ± 56
[NII] 5755 0.18 ± 0.28 0.52 ± 0.82 ... ... 0.13 ± 0.26 0.46 ± 0.89
He I 5876 10.35 ± 0.44 32.4 ± 1.5 10 ± 1 10.9 ± 1.2 12.08 ± 0.54 43.9 ± 1.9
[FeVII] 6086 ... ... ... ... ... ...
[OI] 6300 2.15 ± 0.27 10 ± 1 1.82 ± 0.88 2.5 ± 1.2 1.35 ± 0.34 5.6 ± 1.4
[SIII] 6312 1.19 ± 0.43 4.3 ± 1.6 1.01 ± 0.77 1.4 ± 1.1 1.62 ± 0.43 6.7 ± 1.8
[OI] 6364 0.87 ± 0.29 3.2 ± 1.1 0.21 ± 0.32 0.29 ± 0.45 0.47 ± 0.31 2 ± 1.3
[NII] 6548 0.79 ± 0.26 3.2 ± 1.1 0.36 ± 0.53 0.56 ± 0.82 1.58 ± 0.31 7.2 ± 1.4
Hα 6563 301.5 ± 4.4 1432 ± 37 278.7 ± 9.3 521 ± 14 297.5 ± 7.1 1606 ± 44
[NII] 6583 1.9 ± 0.46 7.6 ± 1.9 2.65 ± 0.77 4 ± 1.2 4.9 ± 1.4 22 ± 6.4
He I 6678 2.98 ± 0.25 10 ± 1 2.65 ± 0.55 4.13 ± 0.86 3.09 ± 0.26 14.2 ± 1.2
[SII] 6716 6.18 ± 0.35 25.4 ± 1.5 5.57 ± 0.74 8.7 ± 1.1 4.38 ± 0.35 20.2 ± 1.6
[SII] 6731 4.42 ± 0.85 18.2 ± 3.5 4 ± 0.83 6.2 ± 1.3 4.19 ± 0.72 19.3 ± 3.3
He I 7065 4 ± 0.4 18.2 ± 1.9 2.65 ± 0.53 4.58 ± 0.91 4.85 ± 0.61 24.7 ± 3.3
[ArIII] 7136 3.8 ± 0.4 17.5 ± 1.9 2.56 ± 0.67 4.5 ± 1.2 5.04 ± 0.54 25.9 ± 2.9
[OII] 7320 1.18 ± 0.39 10 ± 2 1.05 ± 0.53 1.94 ± 0.98 1.42 ± 0.42 7.7 ± 2.3
[OII] 7330 1.06 ± 0.33 5.2 ± 1.6 1.26 ± 0.71 2.3 ± 1.3 0.95 ± 0.37 10 ± 2
[ArIII] 7751 1.24 ± 0.37 6.9 ± 2.1 1.49 ± 0.95 0 ± 2 1.24 ± 0.41 7.5 ± 2.5
[FeII] 8617 0.046 ± 0.078 0.36 ± 0.61 1.1 ± 2.3 2.8 ± 5.9 0.38 ± 0.61 3.4 ± 5.4
F(Hβ) † 1720 ± 22 424 ± 13 1953 ± 45
c(Hβ) 0.170 0.080 0.190
J1528+2318 J1556+1818 J1608+0413
line I(λ) EW(λ) I(λ) EW(λ) I(λ) EW(λ)
[OII] 3726 6 ± 14 5 ± 12 2.7 ± 9.1 2.6 ± 8.7 31.6 ± 3.1 33.5 ± 3.2
[OII] 3729 76 ± 40 62 ± 32 82.7 ± 4.3 79.4 ± 4.7 43.3 ± 4.2 45.1 ± 4.2
Hϵ 3970 * 33.7 ± 1.7 42.2 ± 2.2 30.1 ± 2.8 40 ± 4 29.5 ± 2.5 46.8 ± 4.1
He I 4026 2.06 ± 0.77 1.83 ± 0.69 1.73 ± 0.82 1.81 ± 0.87 1.09 ± 0.82 1.17 ± 0.88
[SII] 4069 1.09 ± 0.62 0.99 ± 0.57 0.69 ± 0.55 0.73 ± 0.58 ... ...
[SII] 4076 1.1 ± 0.99 1.01 ± 0.91 0.7 ± 3.5 0.7 ± 3.8 ... ...
Hδ 4102 27.8 ± 1.4 33 ± 1.8 25.8 ± 1.5 38 ± 2.5 30 ± 2 39.7 ± 3.1
Hγ 4341 46.7 ± 1.9 63.6 ± 3.1 47.2 ± 2.5 76.8 ± 5.5 46.5 ± 2.4 80.3 ± 3.9
[OIII] 4363 12.89 ± 0.99 13.5 ± 1.1 12.8 ± 1.3 16.6 ± 1.8 12.52 ± 0.92 15.7 ± 1.1
He I 4472 4.5 ± 0.85 5.15 ± 0.98 0 ± 1 6.2 ± 1.5 3.5 ± 1.3 4.8 ± 1.8
[FeIII] 4659 0.2 ± 0.38 0.24 ± 0.46 0.55 ± 0.99 0.9 ± 1.6 0.54 ± 0.34 0.8 ± 0.5
He II 4686 2.69 ± 0.68 3.44 ± 0.87 2.09 ± 0.92 3.5 ± 1.5 3.01 ± 0.47 4.53 ± 0.69
[ArIV] 4711 1.89 ± 0.95 2.4 ± 1.2 1.66 ± 0.67 2.8 ± 1.1 0 ± 2 0 ± 3
He I 4713 0.6 ± 0.46 0.77 ± 0.59 0.13 ± 0.49 0.23 ± 0.83 1.1 ± 0.41 1.67 ± 0.63
[ArIV] 4740 0.7 ± 0.4 0.87 ± 0.52 1.03 ± 0.51 1.79 ± 0.88 5.5 ± 4.1 8.5 ± 6.3
Hβ 4861 100 ± 2.6 180 ± 6 100 ± 2.8 239 ± 10 100 ± 5.5 230 ± 19
He I 4922 1.14 ± 0.43 1.67 ± 0.63 0.8 ± 0.4 1.61 ± 0.78 0.94 ± 0.29 1.65 ± 0.51
[OIII] 4959 213.8 ± 4.2 304.3 ± 5.1 180 ± 4 350.2 ± 9.3 165.5 ± 6.6 285.8 ± 5.4
[FeVII] 4989 ... ... ... ... ... ...
[OIII] 5007 650 ± 12 962 ± 15 533 ± 11 1086 ± 28 518 ± 20 920 ± 17
[NII] 5755 1.3 ± 2.7 2.3 ± 5.1 0.17 ± 0.48 0.5 ± 1.4 ... ...
He I 5876 10.48 ± 0.96 20 ± 2 ... ... ... ...
[FeVII] 6086 ... ... ... ... ... ...
[OI] 6300 2.49 ± 0.59 5.6 ± 1.3 2.22 ± 0.45 8.4 ± 1.7 2.5 ± 0.6 7.2 ± 1.7
[SIII] 6312 2.04 ± 0.75 4.5 ± 1.7 1.3 ± 0.51 4.9 ± 1.9 0.89 ± 0.43 2.6 ± 1.2
[OI] 6364 1.8 ± 1.4 0 ± 3 0.84 ± 0.58 3.2 ± 2.2 0.52 ± 0.46 1.5 ± 1.3
[NII] 6548 1.11 ± 0.42 0 ± 1 1.4 ± 0.3 5.8 ± 1.3 1.16 ± 0.52 3.8 ± 1.7
Hα 6563 295.6 ± 6.1 766 ± 19 268.3 ± 5.6 1282 ± 30 300 ± 12 1195 ± 57
[NII] 6583 2.79 ± 0.38 6.52 ± 0.89 2.52 ± 0.95 10 ± 4 0 ± 1 5.3 ± 3.3
He I 6678 3.49 ± 0.42 10 ± 1 2.1 ± 0.2 9.37 ± 0.88 3.51 ± 0.56 11.4 ± 1.8
[SII] 6716 8.37 ± 0.56 20.4 ± 1.4 6.23 ± 0.43 27.1 ± 1.9 7.87 ± 0.65 30 ± 2
[SII] 6731 6.37 ± 0.49 15.5 ± 1.2 4.2 ± 0.4 18.5 ± 1.8 5.84 ± 0.54 19 ± 1.7
He I 7065 2.72 ± 0.59 7.2 ± 1.6 2.94 ± 0.64 14.6 ± 3.3 2.65 ± 0.79 9.6 ± 2.9
[ArIII] 7136 5.5 ± 0.96 14.7 ± 2.6 3.14 ± 0.88 15.8 ± 4.7 4.2 ± 1.3 15.4 ± 4.9
[OII] 7320 1.7 ± 0.73 0 ± 2 1.31 ± 0.59 7 ± 3.2 1.38 ± 0.74 5.3 ± 2.9
[OII] 7330 1.5 ± 0.65 4.1 ± 1.8 0.6 ± 0.6 3.3 ± 3.2 1.56 ± 0.65 6 ± 2.6
[ArIII] 7751 1.5 ± 0.6 4.7 ± 1.8 0.4 ± 0.6 2.6 ± 3.7 0.71 ± 0.67 3.1 ± 2.9
[FeII] 8617 0.17 ± 0.27 0.7 ± 1.1 0.01 ± 0.25 0.1 ± 2.1 0 ± 0.15 0.01 ± 0.84
F(Hβ) † 563 ± 11 771 ± 15 482 ± 19
c(Hβ) 0.065 0.015 0.082

Notes. Line fluxes are scaled to Hβ as I(λ) = 100 × F(λ)/F(Hβ). Equivalent widths EW(λ) are given in Å. *Likely blend with [NeIII] 3967, which constitutes ∼50% of the reported flux (Sect. 4.4). †Hβ line flux in 10−17 erg s−1 cm−2 for reference.

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