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Table 2
Main diagnostics used in our spectral fitting process.
| Parameter | UV lines | Optical lines |
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| T ∗ | He i/He ii, N iii/N iv/N v line ratios | |
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| log g∗ | Hγ and Hδ line wings | |
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| Ṁ | N v 1238–1242, C iv 1548–1551 | Hα, He ii 4686 emission |
| N iv 1718, O iv 1338–1343, He ii 1640 | ||
| P v 1118–1128, C iv 1169, C iii 1176 | ||
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| ν∞ | N v 1238–1242, C iv 1548–1551 | Hα line width |
| Si iv 1393–1403, N iv 1718 | ||
| P v 1118–1128, C iv 1169, C iii 1176 blue edge | ||
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| D | P v 1118–1128, N iv 1718, O v 1371 | Hα |
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| ν sini | N iii 4640–4642, N iv 4058 | |
| Si iv 4089–4116, He i 4388 | ||
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| Abundances | C iii 4647–4650–4651, Si iv 4089–4116 | |
| O ii 4649, O ii 4070, N iii 4510–4525, N v 4620 | ||
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