| Teff (K) | 5.0 | 4.5 | 4.0 | 3.5 | 3.0 | 2.5 | 2.0 | 1.5 | 1.0 | 0.5 | 0.0 | atmosphere |
| 50000 | X | X | X | NLTE | ||||||||
| 45000 | X | X | X | NLTE | ||||||||
| 40000 | X | X | X | X | NLTE | |||||||
| 37500 | X | X | X | X | NLTE | |||||||
| 35000 | X | X | X | X | NLTE | |||||||
| 32500 | X | X | X | X | NLTE | |||||||
| 30000 | X | X | X | X | NLTE | |||||||
| 27500 | X | X | X | X | NLTE | |||||||
| 25000 | X | X | X | X | X | NLTE,LTE | ||||||
| 24000 | X | X | X | X | X | LTE | ||||||
| 23000 | X | X | X | X | X | LTE | ||||||
| 22000 | X | X | X | X | X | LTE | ||||||
| 21000 | X | X | X | X | X | LTE | ||||||
| 20000 | X | X | X | X | X | LTE | ||||||
| 19000 | X | X | X | X | X | X | LTE | |||||
| 18000 | X | X | X | X | X | X | LTE | |||||
| 17000 | X | X | X | X | X | X | LTE | |||||
| 16000 | X | X | X | X | X | X | LTE | |||||
| 15000 | X | X | X | X | X | X | LTE | |||||
| 14000 | X | X | X | X | X | X | LTE | |||||
| 13000 | X | X | X | X | X | X | LTE | |||||
| 12000 | X | X | X | X | X | X | LTE | |||||
| 11000 | X | X | X | X | X | X | LTE | |||||
| 10000 | X | X | X | X | X | X | X | LTE | ||||
| 9500 | X | X | X | X | X | X | X | LTE | ||||
| 9000 | X | X | X | X | X | X | X | X | LTE | |||
| 8500 | X | X | X | X | X | X | X | X | X | LTE | ||
| 8000 | X | X | X | X | X | X | X | X | X | LTE | ||
| 7500 | X | X | X | X | X | X | X | X | X | X | LTE | |
| 7000 | X | X | X | X | X | X | X | X | X | X | LTE | |
| 6500 | X | X | X | X | X | X | X | X | X | X | LTE | |
| 6000 | X | X | X | X | X | X | X | X | X | X | X | LTE |
| 5500 | X | X | X | X | X | X | X | X | X | X | X | LTE |
| 5000 | X | X | X | X | X | X | X | X | X | X | X | LTE |
| 4500 | X | X | X | X | X | X | X | X | X | X | X | LTE |
| 4000 | X | X | X | X | X | X | X | X | X | X | X | LTE |