Table 1
List of a few among the strongest Fe x lines in the soft X-rays.
| i–j | Levels | Int | Int | Int | Int | Int | Aji (s-1) | λexp (Å) | λth (Å) |
| DW (n = 4) | DW (n = 6) | RM | RM+ | CHIANTI | |||||
| DW (n = 6) | |||||||||
|
|
|||||||||
| 1–202 | 3s2 3p52P3/2–3s2 3p4 4s 2D5/2 | 5.3 × 10-3 | 7.5 × 10-3 | 9.2 × 10-3 | 1.2 × 10-2 | 8.9 × 10-3 | 3.7 × 1010 | 94.012 | 90.46 |
| 3–429 | 3s 3p62S1/2–3s 3p5 4s 2P3/2 | 1.7 × 10-2 | 1.4 × 10-2 | 1.8 × 10-2 | 1.8 × 10-2 | 5.9 × 10-3 | 4.8 × 1010 | - | 91.48 |
| 22–267 | 3s2 3p4 3d 2G9/2–3s2 3p4 4p 2F7/2 | 2.5 × 10-3 | 2.8 × 10-3 | 3.2 × 10-3 | 3.4 × 10-3 | 2.8 × 10-3 | 1.4 × 1010 | 139.869 | 135.95 |
| 1–370 | 3s2 3p52P3/2–3s2 3p4 4d 2D5/2 | 1.1 × 10-3 | 1.9 × 10-3 | 1.4 × 10-3 | 1.6 × 10-3 | 6.2 × 10-3 | 7.2 × 1010 | 77.865 | 75.17 |
| 21–488 | 3s2 3p4 3d 2F5/2–3s2 3p4 4f 2G7/2 | 2.0 × 10-3 | 1.9 × 10-3 | 2.2 × 10-3 | 2.2 × 10-3 | - | 1.6 × 1011 | 103.319 | 100.39 |
| 1–30 | 3s2 3p52P3/2– 3s2 3p4 3d 2D5/2 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.9 × 1011 | 174.531 | 163.29 |
Notes. The relative intensities (photons) Int = NjAji/Ne are normalised to the strongest EUV transition (1–30) and were calculated at a coronal electron density of 108 cm-3 and log T[K] = 6.05. The DW intensities were obtained with the DW calculations. The RM are obtained from the R-matrix calculations, i.e. only including n = 3,4 levels. The RM+DW is from a combined model where the RM model is augmented by including excitation and radiative data for n = 5,6 levels from the DW calculation. The last column shows the values calculated with the current CHIANTI model. A-values (s-1) as obtained from the RM model are shown, as well as experimental (λexp) and theoretical (λth, from the RM model) wavelengths.
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