Table 13: Observed and model line ratios; $2.5 \leq z < 3.0$.
Parameter Obs. Err.a Modelsb
$-24.5 > M_B \geq -25.5$
$Z/Z_\odot $     5.0 5.0
$\beta $     -1.00 -1.04
$\Gamma $     -1.00 -1.23
N V/C IV 0.561 0.028 0.499 0.608
(O I+Si II)/C IV 0.121 0.010 0.163 0.122
C II/C IV 0.065 0.010 0.199 0.190
(Si IV+O IV])/C IV 0.254 0.013 0.322 0.355
N IV]/C IV 0.021 0.010 0.152 0.152
He II/C IV 0.151 0.010 0.186 0.187
(O III]+Al II)/C IV 0.087 0.010 0.289 0.285
Al III/C IV 0.078 0.010 0.101 0.099
Si III]/C IV 0.070 0.010 0.266 0.219
C III]/C IV 0.375 0.019 0.474 0.423
$-25.5 > M_B \geq -26.5$
$Z/Z_\odot $     5.0 2.0
$\beta $     -1.00 -1.17
$\Gamma $     -1.00 -1.64
N V/C IV 0.578 0.029 0.499 0.407
(O I+Si II)/C IV 0.089 0.010 0.163 0.041
C II/C IV 0.037 0.010 0.199 0.086
(Si IV+O IV])/C IV 0.252 0.013 0.322 0.248
N IV]/C IV 0.029 0.010 0.152 0.067
He II/C IV 0.147 0.010 0.186 0.200
(O III]+Al II)/C IV 0.098 0.010 0.289 0.178
Al III/C IV 0.071 0.010 0.101 0.045
Si III]/C IV 0.063 0.010 0.266 0.087
C III]/C IV 0.351 0.018 0.474 0.258
$-26.5 > M_B \geq -27.5$
$Z/Z_\odot $     5.0 5.0
$\beta $     -1.00 -1.11
$\Gamma $     -1.00 -1.58
N V/C IV 0.858 0.043 0.499 0.820
(O I+Si II)/C IV 0.095 0.010 0.163 0.081
C II/C IV 0.055 0.010 0.199 0.183
(Si IV+O IV])/C IV 0.360 0.018 0.322 0.413
N IV]/C IV 0.022 0.010 0.152 0.153
He II/C IV 0.151 0.010 0.289 0.278
(O III]+Al II)/C IV 0.106 0.010 0.289 0.278
Al III/C IV 0.101 0.010 0.101 0.096
Si III]/C IV 0.108 0.010 0.266 0.155
C III]/C IV 0.354 0.018 0.474 0.335
$-27.5 > M_B \geq -28.5$
$Z/Z_\odot $     5.0 5.0
$\beta $     -1.00 -1.07
$\Gamma $     -1.00 -1.54
N V/C IV 1.004 0.050 0.499 0.800
(O I+Si II)/C IV 0.119 0.010 0.163 0.086
C II/C IV 0.059 0.010 0.199 0.188
(Si IV+O IV])/C IV 0.401 0.020 0.322 0.421
N IV]/C IV 0.019 0.010 0.152 0.144
He II/C IV 0.143 0.010 0.186 0.199
(O III]+Al II)/C IV 0.104 0.010 0.289 0.271
Al III/C IV 0.109 0.010 0.101 0.104
Si III]/C IV 0.152 0.010 0.266 0.155
C III]/C IV 0.328 0.016 0.474 0.309
$-28.5 > M_B \geq -29.5$
$Z/Z_\odot $     10.0 10.0
$\beta $     -1.00 -1.03
$\Gamma $     -1.00 -1.53
N V/C IV 1.248 0.062 0.837 1.191
(O I+Si II)/C IV 0.112 0.010 0.250 0.122
C II/C IV 0.074 0.010 0.317 0.290
(Si IV+O IV])/C IV 0.462 0.023 0.426 0.586
N IV]/C IV 0.012 0.010 0.298 0.251
He II/C IV 0.125 0.010 0.178 0.180
(O III]+Al II)/C IV 0.096 0.010 0.373 0.370
Al III/C IV 0.165 0.010 0.168 0.175
Si III]/C IV 0.204 0.010 0.375 0.211
C III]/C IV 0.331 0.017 0.534 0.323
a Errors adopted for carrying out model fittings. Values are changed from those presented in Table 4; 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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