| Ion | Ioniz. | Lines | Observed |
 |
| pot. (eV) | used | ratio | (K) | |
| [N II] | 14.5 | 5755/6584 | 0.0209 | 10 000 |
| 23.3 | 6312/18.7 | 0.081 | 10 000 | |
| 29.6 | 1750/57.3 | 1.5 | 10 800 | |
| 35.1 | 4363/5007 | 0.0115 | 13 000 | |
| 35.1 | 1663/5007 | 0.0227 | 12 500 | |
| 41.0 | 3868/15.5 | 0.86 | 12 500 | |
| 54.9 | 1400/25.9 | 0.126 | 15 000 | |
| 63.4 | 2424/4725 | 95.: | 16 000 | |
| 97.1 | 3425/24.3 | 0.64.: | 14 000 | |
| 97.1 | 3425/14.3 | 0.55.: | 16 600 | |
| 109.3 | 2784/5.61 | 0.573 | 16 000 |
The ":'' indicate uncertain observations.
