Open Access
Table 1.
Diagnostic lines used in this work to derive N abundances.
| Ion | Wavelength (Å) | |||
|---|---|---|---|---|
| N II | 3995.85 | 4035.08 | 4041.31 | 4043.53 |
| 4447.03 | 4601.47 | 4607.16 | 4613.87 | |
| 4621.39 | 4803.29 | 5001.47 | 5005.15 | |
| 5007.33 | 5025.66 | 5045.10 | 5666.63 | |
| 5676.01 | 5679.55 | 5710.77 | ||
| N III | 3998.65 | 4003.65 | 4097.35* | 4195.76* |
| 4379.11 | 4510.88 | 4514.85 | 4518.18 | |
| 4523.56 | 4534.58 | 4634.12* | 4640.64* | |
| 4641.85* | ||||
| N IV | 4057.76 | 5205.15 | 6380.77 | |
Notes. Lines marked with an asterisk were only used for qualitative inspection of the final fit (not included in the abundance determination).
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