Astronomy View all facts Glossary Help| Astronomy View all facts Glossary Help |
| abstraction > mathematical concept > number > quantity > radiation measurement > spectral feature > spectral line > ionized helium line |
  | ||||
| ionized helium line comparison table | ||||
| Subject | has lower energy level | occurs in | has synonym | has series limit |
|---|---|---|---|---|
| ionized helium Balmer line | ||||
| ionized helium Lyman line | 1 | 227 Å | ||
| ionized helium Paschen line | 3 | 2040 Å | ||
| Pickering line | 4 | O star | ionized helium Brackett line | 3644 Å |
Next spectral line: resonance line Up: spectral line Previous spectral line: intercombination line