| Ion | Ioniz. | Lines | Observed |
|
| Pot. (eV) | used |
ratio | (K) | |
| [N II] | 14.5 | 5755/6584 | 0.022 | 11 000 |
| 23.3 | 6312/18.7 | 0.0.049 | 10 000 | |
| 27.6 | 7136/8.99 | 1.07 | 10 000 | |
| 35.1 | 4363/5007 | 0.0096 | 11 300 | |
| 35.1 | 5007/51.8 | 11.3 | 11 500 | |
| 41.0 | 3869/15.5 | 0.604 | 10 500 |
|
: Indicates uncertain value. |