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Table A.2
Wavelengths (Å) of the O iv IRIS 2s2 2p–2s 2p2 transitions.
| Transition | B69 | E83 | S86 | Y11 | CHIANTI V.8 | NIST | |
| (CHIANTI v.7.1) | |||||||
| (Å) | (Å) | (Å) | (Å) | (Å) | (Å) | ||
|
|
|||||||
| 2P1/2–4P1/2 | 1399.774 (<0.01) | 1399.776 | 1399.775 (.005) | 1399.766 (0.03) | 1399.776 | – | |
| 2P3/2–4P1/2 | 1407.386 (<0.01) | 1407.380 | 1407.386 (.005) | 1407.372 (0.03) | 1407.384 | 1407.382 | |
| 2P1/2–4P3/2 | 1397.20 (bl) | 1397.214 | 1397.221 (0.005) | 1397.199 (0.03) | 1397.226 | – | |
| 2P3/2–4P3/2 | 1404.812 (<0.01) | 1404.790 | 1404.82 (0.01) | 1404.783 (0.03) | 1404.806 | – | (bl) |
| 2P3/2–4P5/2 | 1401.156 (<0.01) | 1401.169 | 1401.163 (.005) | 1401.157 (0.03) | 1401.163 | 1401.157 | |
Notes. Wavelengths are in vacuum. B69: Bromander (1969); E83: Edlén (1983); S86: Sandlin et al. (1986); Y11: Young et al. (2011) and CHIANTI v.7.1; V.8: CHIANTI v.8 (Del Zanna et al. 2015). Values in brackets indicate the uncertainties in the measured wavelengths.
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