Table B.1.
Masked QSO emission lines (see Sect. 2).
| Denomination | Wavelength (Å) | Mask width (Å) |
|---|---|---|
| Lyman-α | 1215.57 | 300 |
| N V 1240 | 1240.81 | 25 |
| SiIV + OIV 1400 | 1399.80 | 75 |
| C IV 1549 | 1549.48 | 100 |
| He II 1640 | 1640.42 | 50 |
| C III] 1908 | 1908.73 | 50 |
| C II 2326 | 2326 | 25 |
| Ne IV 2423 | 2423.83 | 50 |
| Mg II 2799 | 2799.49 | 125 |
| Ne V 3347 | 3346.79 | 25 |
| Ne V 3427 | 3426.85 | 25 |
| [O II] 3727 | 3727 | 50 |
| [Ne III] 3868 | 3868.75 | 25 |
| Hδ | 4101.73 | 25 |
| Hγ | 4340.46 | 75 |
| Weak Fe | 4490 | 50 |
| Hβ | 4861.325 | 50 |
| [O III] 4959 | 4958.91 | 100 |
| [O III] 5007 | 5006.84 | 100 |
| Weak Fe | 5080 | 50 |
| N I 5200 | 5200.53 | 50 |
| Weak Fe | 5317 | 50 |
| Weak Fe | 5691 | 50 |
| [Fe VII] 5722 | 5722.30 | 25 |
| [Fe VII] 6087 | 6087.98 | 25 |
| Weak Fe | 6504 | 50 |
| Hα | 6562.80 | 125 |
| [S II] 6716 | 6716.44 | 50 |
| [S II] 6730 | 6730.82 | 50 |
Notes. Masked emission lines and width of the mask. Due to the large widths and the binning of the spectra, the central wavelength is rounded up for the implementation. The most important lines were masked a priori, while the fainter iron features were added a posteriori following the over-densities of false positives in the QSO rest-frame.
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