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Table 2

Diagnostic features used in the fitting process.

Ion Wavelength [Å] Part of complex
Si II 3853.7, 3856.0, 3862.6
HI 3889.1 Hζ

OIII 3961.6
He I 3964.7 Hє
HI 3970.1

He II 4025.7
He I 4026.3 He I 4026

C III 4068.9, 4070.3
O II 4069.6, 4069.9, 4072.2
4075.9 C III 4070
O III 4072.6, 4074.0
H I 4101.8

Si IV 4088.9
N III 4097.4
He II 4100.1
H I 4101.8 Hδ
N III 4103.4
Si IV 4116.1
Si II 4128.1, 4130.9

He I 4143.8 He I 4143

C III 4186.9
N III 4195.8, 4200.1, 4215.8
He II 4199.9 He II 4200
Si IV 4212.4, 4212.4

C II 4267.0, 4267.3, 4267.3 C II 4267

O II 4317.1, 4319.6, 4366.9
N III 4332.9, 4337.0, 4345.7
He II 4338.8 Hγ
H I 4340.5

N III 4379.0, 4379.2
He I 4388.0 He I 4387

He I 4471.5 He I 4471

N III 4510.9, 4511.0, 4514.9
4518.1, 4523.6 N III 4515

N III 4534.6
He II 4541.7 He II4541
Si III 4552.6

Si III 4567.8, 4574.8 Si III 4570

N III 4634.1, 4640.6, 4641.9 O II N III 46
O II 4638.9, 4641.8 O II N III 46

C III 4647.4, 4650.2, 4651.5 C III Si IV 46
Si IV 4654.3 C III Si IV 46

O II 4661.6, 4676.2 O II C III 46
C III 4663.6, 4665.9 O II C III 46

He II 4685.9 He II 4686

He I 4713.2 He I 4713

N III 4858.7, 4859.0, 4861.3 4867.1, 4867.2, 4873.6
4884.1 Hβ
He II 4859.4
H I 4861.4

He I 4922.0 He I 4922

He I 5015.7 He I 5015

Si II 5041.0, 5056.0, 5056.3 He I 5047
He I 5047.8

He II 5411.6 HeII5411

OIII 5592.4 O III 5592

He I 5875.7 He I 5875

Si II 6347.1, 6371.4 Si II6347

He II 6560.2
H I 6562.8 Hα
C II 6578.1, 6582.9

He I 6678.2
He II 6683.3 He II 6683

Si IV 7047.9, 7047.9, 7068.4 He I 7065
He I 7065.3

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