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Table 1
O iv and S iv transitions observed by IRIS.
| i − j | Transition | λ | Ion |
| (Å) | |||
|
|
|||
| 1–3 | 2s2 2p 2P1/2–2s 2p24P1/2 | 1399.776 | O iv |
| 2–5 | 2s2 2p 2P3/2–2s 2p24P5/2 | 1401.163 | O iv |
| 2–4 | 2s2 2p 2P3/2–2s 2p24P3/2 | 1404.806 | O iv (bl) |
| 1–3 | 3s2 3p 2P1/2–3s 3p24P1/2 | 1404.85 | S iv (bl) |
| 2–5 | 3s2 3p 2P3/2–3s 3p24P5/2 | 1406.06 | S iv |
| 1–2 | 3s 2S1/2– 3p 2P1/2 | 1402.77 | Si iv |
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