Table 15: Observed and model line ratios; $3.5 \leq z < 4.0$.
Parameter Obs. Err.a Modelsb
$-25.5 > M_B \geq -26.5$
$Z/Z_\odot $     5.0 2.0
$\beta $     -1.00 -1.13
$\Gamma $     -1.00 -1.60
N V/C IV 0.618 0.031 0.499 0.406
(O I+Si II)/C IV 0.098 0.010 0.163 0.045
C II/C IV 0.030 0.010 0.199 0.091
(Si IV+O IV])/C IV 0.261 0.013 0.322 0.255
N IV]/C IV 0.038 0.010 0.152 0.064
He II/C IV 0.153 0.010 0.186 0.202
(O III]+Al II)/C IV 0.097 0.010 0.289 0.175
Al III/C IV 0.084 0.010 0.101 0.049
Si III]/C IV 0.066 0.010 0.266 0.090
C III]/C IV 0.355 0.018 0.474 0.243
$-26.5 > M_B \geq -27.5$
$Z/Z_\odot $     5.0 5.0
$\beta $     -1.00 -1.08
$\Gamma $     -1.00 -1.54
N V/C IV 0.856 0.043 0.499 0.796
(O I+Si II)/C IV 0.105 0.010 0.163 0.086
C II/C IV 0.051 0.010 0.199 0.186
(Si IV+O IV])/C IV 0.347 0.017 0.322 0.415
N IV]/C IV 0.025 0.010 0.152 0.148
He II/C IV 0.145 0.010 0.186 0.198
(O III]+Al II)/C IV 0.101 0.010 0.289 0.274
Al III/C IV 0.098 0.010 0.101 0.101
Si III]/C IV 0.122 0.010 0.266 0.158
C III]/C IV 0.332 0.017 0.474 0.323
$-27.5 > M_B \geq -28.5$
$Z/Z_\odot $     5.0 5.0
$\beta $     -1.00 -1.07
$\Gamma $     -1.00 -1.50
N V/C IV 1.062 0.053 0.499 0.773
(O I+Si II)/C IV 0.115 0.010 0.163 0.089
C II/C IV 0.062 0.010 0.199 0.187
(Si IV+O IV])/C IV 0.395 0.020 0.322 0.410
N IV]/C IV 0.016 0.010 0.152 0.147
He II/C IV 0.128 0.010 0.186 0.197
(O III]+Al II)/C IV 0.089 0.010 0.289 0.274
Al III/C IV 0.122 0.010 0.101 0.102
Si III]/C IV 0.186 0.010 0.266 0.164
C III]/C IV 0.343 0.017 0.474 0.329
$-28.5 > M_B \geq -29.5$
$Z/Z_\odot $     5.0 5.0
$\beta $     -1.00 -1.02
$\Gamma $     -1.00 -1.28
N V/C IV 1.006 0.050 0.499 0.639
(O I+Si II)/C IV 0.180 0.010 0.163 0.118
C II/C IV 0.105 0.010 0.199 0.194
(Si IV+O IV])/C IV 0.421 0.021 0.322 0.377
N IV]/C IV 0.031 0.010 0.152 0.143
He II/C IV 0.108 0.010 0.186 0.194
(O III]+Al II)/C IV 0.056 0.010 0.289 0.276
Al III/C IV 0.124 0.010 0.101 0.107
Si III]/C IV 0.193 0.010 0.266 0.203
C III]/C IV 0.426 0.021 0.474 0.369
a Errors adopted for carrying out model fittings. Values are changed from those presented in Table 6; see text for details.
b Model predictions with fixed $\beta $ and $\Gamma $ and those with varying $\beta $ and $\Gamma $ are given in the left and right columns, respectively.


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