| Ion | Ioniz. | Lines | Observed |
 |
| Pot. (eV) | Used | Ratio | (K) | |
[N II] |
14.5 | 5755/6584 | 0.0179 | 9000 |
| 23.3 | 6312/18.7 | 0.165 | 15 000 | |
| 27.6 | 7136/8.99 | 2.00 | 14 800 | |
| 35.1 | 4363/5007 | 0.0141 | 13 000 | |
| 35.1 | 5007/51.7 | 39.2 | 12 800 | |
| 41.0 | 3868/15.5 | 0.453 | 9200 | |
| 97.1 | 3425/24.3 | 0.985 | 17 000 |