Open Access

Table A.1.

Ratios (R) of predicted vs. observed radiances of the selected lines for the various tests.

Ion λth (Å) log Teff (K) QS PRM1 PRM1 PRM04
2 × 1014 6 × 1013 2 × 1014
Si II 1190.416 4.26 0.62 1.01 0.92 0.69
Si II 1197.3955 4.26 1.11 1.27
Si II 1264.738 4.26 0.76
Si II 1304.370 4.26 0.73
Si II 1309.276 4.26 0.93
Ni II 1317.210 4.28 1.05
S II 1253.811 4.30 1.51 * 4.3 * 4.2 * 4.80 *
S II 1250.585 4.30 1.74 * 6.7 * 6.60 *
N II 1085.701 4.41 1.02 0.83 0.77 1.28
N II 1083.990 4.41 0.92 0.79 0.81 1.33
Fe III 1017.254 4.45 0.87 0.89 0.66 1.26
Fe III 1128.740 4.37 0.88 0.77
C II 1335.663 (2) 4.27 1.36 * 0.92 * 0.83 * 1.07 *
C II 1334.577 4.32 1.00 * 0.78 * 0.71 * 0.81 *
C II 1036.337 4.36 1.27 0.95 0.98 1.24
C II 1037.018 4.36 2.07 * 1.58 * 1.64 * 1.79 *
C II 1323.862 (4) 4.43 0.87 0.76 0.16 * 0.82
Si III 1206.502 4.42 0.71 1.31 1.45
Si III 1109.943 4.48 0.85 0.93
Si III 1113.25 4.48 0.64 0.80 0.92 0.75
Si III 1200.959 4.58 1.01 1.54 1.75 1.11
Si III 1015.496 4.61 0.92 1.23 1.42
Si III 1194.047 4.62 1.23
C III 977.020 4.66 1.28 0.46 * 0.55 * 0.61 *
C III 1174.933 4.69 0.88 0.77 0.60 * 1.18
C III 1175.7111 4.69 0.70 0.54 * 1.03
Si IV 1128.34 4.71 0.11 * 0.13 * 0.15 * 0.23 *
Si IV 1393.76 4.71 0.39 *
Si IV 1402.77 4.71 0.45 *
N III 989.799 4.76 1.07 0.73 0.78 0.85
N III 991.577 4.76 0.97 0.66 0.66 0.79
O III 703.850 4.91 0.66
O III 525.794 4.93 1.21 0.70
S IV 1072.974 4.93 0.74 1.30 1.27 1.20
S IV 1062.664 4.94 0.97 1.19 1.38 1.35
O IV 1399.776 5.13 1.21
O IV 1401.163 5.14 1.10
O IV 555.264 5.18 0.92
C IV 1548.187 5.01 0.69
N IV 765.147 5.08 1.29
N IV 955.334 5.24 0.99 0.89 0.89
O V 1218.347 5.32 0.47 0.62 0.62 0.68
N V 1238.821 5.40 0.62 * 0.32 * 0.32 * 0.42 *
N V 1242.804 5.40 0.61 * 0.34 * 0.34 * 0.43 *
Ne V 1145.582 5.42 1.19 1.25 1.42 1.25
Ne V 572.113 5.45 0.82 0.79 0.91
Mg V 1324.433 5.51 0.78
O VI 1031.912 5.63 1.01
O VI 1037.614 5.63 1.07

Notes. After the line identification, we list the Teff, the results for, respectively, QS, PRM1 and PRM04 (the assumed pressures are in cm−3 K). The “*” means that it was not included in the DEM inversion but the radiances are calculated using the resulted DEM.

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