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Table 4

List of the strongest Fe ix lines in the 50–130 Å range.

i–j Levels Int Int gf Aji(s-1) λexp(Å) λth(Å)
108 1012
1–107 3s2 3p61S0–3p5 4s 1P1 1.0 0.76 0.18 4.1  ×  1010 103.566 98.08 ( − 5.5)
5–239 3p5 3d 3F4–3p5 4f 3G5 0.53 0.45 5.35 2.7  ×  1011 113.793 108.37 ( − 5.4)
1–97 3s2 3p61S0–3p5 4s 3P1 0.52 0.44 8.3  ×  10-2 1.9  ×  1010 105.208 99.60 ( − 5.6)
13–256 3p5 3d 1P1–3p5 4f 1D2 0.22 0.14 1.87 1.5  ×  1011 133.923 126.34 ( − 7.6)
6–243 3p5 3d 3F3–3p5 4f 3G4 0.22 0.27 3.55 2.2  ×  1011 114.024 108.55 ( − 5.5)
1–196 3s2 3p61S0–3p5 4d 1P1 0.20 0.13 0.36 1.2  ×  1011 83.457 80.64 ( − 2.8)
1–210 3s2 3p61S0–3p5 4d 3D1 0.15 9.9  ×  10-2 0.12 4.3  ×  1010 82.430 79.68 ( − 2.7)
5–302 3p5 3d 3F4–3p5 5f 3G5 0.14 0.12 2.07 1.6  ×  1011 91.980 87.61 ( − 4.4)
10–247 3p5 3d 3D1–3p5 4f 3F2 0.12 8.6  ×  10-2 1.29 1.4  ×  1011 116.803 110.93 ( − 5.9)
4–241 3p5 3d 3P2–3p5 4f 3D3 9.1  ×  10-2 0.21 2.45 2.0  ×  1011 112.096 106.87 ( − 5.2)
10–256 3p5 3d 3D1–3p5 4f 1D2 8.9  ×  10-2 5.6  ×  10-2 0.55 6.0  ×  1010 114.860 109.24 ( − 5.6)
8–246 3p5 3d 3D3–3p5 4f 1G4 7.9  ×  10-2 0.25 3.47 2.0  ×  1011 116.803 110.98 ( − 5.8)
7–245 3p5 3d 3F2–3p5 4f 3G3 7.9  ×  10-2 0.16 2.37 1.9  ×  1011 114.111 108.62 ( − 5.5)
5–366 3p5 3d 3F4–3p5 6f 3G5 7.7  ×  10-2 6.7  ×  10-2 1.64 1.6  ×  1011 – 79.12
3–238 3p5 3d 3P1–3p5 4f 3D2 5.7  ×  10-2 7.4  ×  10-2 1.40 1.6  ×  1011 111.791 106.61 ( − 5.2)
13–247 3p5 3d 1P1–3p5 4f 3F2 5.7  ×  10-2 4.1  ×  10-2 0.84 6.5  ×  1010 136.572 128.61 ( − 8.0)
13–276 3p5 3d 1P1–3p5 5p 1S0 5.6  ×  10-2 3.2  ×  10-2 6.5  ×  10-3 3.2  ×  109 – 113.08
10–271 3p5 3d 3D1–3p5 5p 3P0 5.4  ×  10-2 3.1  ×  10-2 4.9  ×  10-2 3.1  ×  1010 – 100.76
6–305 3p5 3d 3F3–3p5 5f 3G4 5.2  ×  10-2 6.1  ×  10-2 1.33 1.3  ×  1011 91.980 87.77 ( − 4.2)
12–254 3p5 3d 1F3–3p5 4f 3F4 5.0  ×  10-2 0.24 3.52 2.1  ×  1011 116.408 110.66 ( − 5.8)
13–326 3p5 3d 1P1–3p5 5f 1D2 4.9  ×  10-2 3.3  ×  10-2 0.73 9.5  ×  1010 – 99.51
13–379 3p5 3d 1P1–3p5 6f 1D2 4.6  ×  10-2 3.0  ×  10-2 0.50 8.4  ×  1010 – 88.30
10–276 3p5 3d 3D1–3p5 5p 1S0 4.6  ×  10-2 2.6 × 10-2 4.0  ×  10-3 2.7  ×  109 – 99.18
10–316 3p5 3d 3D1–3p5 5f 3F2 3.5  ×  10-2 2.4  ×  10-2 0.44 7.2  ×  1010 94.070 89.68 ( − 4.4)
11–253 3p5 3d 3D2–3p5 4f 3F3 3.4  ×  10-2 0.16 2.76 2.1  ×  1011 115.996 110.29 ( − 5.7)
2–237 3p5 3d 3P0–3p5 4f 3D1 3.3  ×  10-2 3.5  ×  10-2 0.66 1.3  ×  1011 111.713 106.55 ( − 5.2)
9–250 3p5 3d 1D2–3p5 4f 1F3 3.2  ×  10-2 0.15 2.42 1.9  ×  1011 115.353 109.73 ( − 5.6)
17–349 3p6 3d 1D2–3p6 4f 1F3 2.8  ×  10-2 1.9  ×  10-2 2.34 1.7  ×  1011 – 111.34
3–237 3p5 3d 3P1–3p5 4f 3D1 2.7  ×  10-2 2.9  ×  10-2 0.55 1.1  ×  1011 112.031 106.84 ( − 5.2)
6–368 3p5 3d 3F3–3p5 6f 3G4 2.6  ×  10-2 3.1  ×  10-2 0.87 1.0  ×  1011 – 79.23
8–311 3p5 3d 3D3–3p5 5f 3F4 2.6  ×  10-2 6.9  ×  10-2 1.44 1.3  ×  1011 94.070 89.56 ( − 4.5)
13–316 3p5 3d 1P1–3p5 5f 3F2 2.5  ×  10-2 1.7  ×  10-2 0.41 5.2  ×  1010 – 100.89
1–280 3s2 3p61S0–3p5 5d 1P1 2.5  ×  10-2 1.6  ×  10-2 0.16 7.8  ×  1010 – 66.39
11–256 3p5 3d 3D2–3p5 4f 1D2 2.5  ×  10-2 1.6  ×  10-2 0.16 1.7  ×  1010 115.124 109.48 ( − 5.6)
4–304 3p5 3d 3P2–3p5 5f 3D3 2.4  ×  10-2 4.3  ×  10-2 0.81 1.0  ×  1011 – 86.59
4–238 3p5 3d 3P2–3p5 4f 3D2 2.4  ×  10-2 3.1  ×  10-2 0.59 6.7  ×  1010 112.464 107.23 ( − 5.2)
7–247 3p5 3d 3F2–3p5 4f 3F2 2.3  ×  10-2 1.7  ×  10-2 0.24 2.6  ×  1010 113.258 107.73 ( − 5.5)
10–326 3p5 3d 3D1–3p5 5f 1D2 2.2  ×  10-2 1.5  ×  10-2 0.26 4.3  ×  1010 – 88.58
8–241 3p5 3d 3D3–3p5 4f 3D3 2.1  ×  10-2 4.9  ×  10-2 0.63 4.7  ×  1010 117.626 111.88 ( − 5.7)
8–370 3p5 3d 3D3–3p5 6f 3F4 2.0  ×  10-2 4.5  ×  10-2 1.32 1.5  ×  1011 – 80.61
12–243 3p5 3d 1F3–3p5 4f 3G4 2.0  ×  10-2 2.4  ×  10-2 0.34 2.0  ×  1010 118.978 113.03 ( − 5.9)
1–263 3s2 3p61S0–3p5 5s 1P1 1.9  ×  10-2 1.2  ×  10-2 9.7  ×  10-2 4.2  ×  1010 73.618 71.34 ( − 2.3)
13–339 3p5 3d 1P1–3p5 6p 1S0 1.9  ×  10-2 1.1  ×  10-2 4.6  ×  10-3 3.3  ×  109 – 95.48
3–301 3p5 3d 3P1–3p5 5f 3D2 1.9  ×  10-2 2.0  ×  10-2 0.50 8.9  ×  1010 – 86.34
5–243 3p5 3d 3F4–3p5 4f 3G4 1.9  ×  10-2 2.3  ×  10-2 0.30 1.9  ×  1010 113.571 108.14 ( − 5.4)
12–319 3p5 3d 1F3–3p5 5f 1G4 1.8  ×  10-2 5.8  ×  10-2 1.40 1.3  ×  1011 93.590 89.30 ( − 4.3)
7–308 3p5 3d 3F2–3p5 5f 1F3 1.7  ×  10-2 3.0  ×  10-2 0.73 8.9  ×  1010 91.980 87.94 ( − 4.1)
11–318 3p5 3d 3D2–3p5 5f 3F3 1.6  ×  10-2 4.3  ×  10-2 0.96 1.1  ×  1011 93.590 89.10 ( − 4.5)
1–265 3s2 3p61S0–3p5 5s 3P1 1.1  ×  10-2 7.3  ×  10-3 4.2  ×  10-2 1.8  ×  1010 72.850 70.65 ( − 2.2)
9–308 3p5 3d 1D2–3p5 5f 1F3 7.1  ×  10-3 1.3  ×  10-2 0.32 3.7  ×  1010 94.070 89.75 ( − 4.3)

Notes. The relative intensities (photons) Int = NjAji/Ne are normalised to the strongest transition and were calculated at electron densities of 108 and 1012 cm-3 and log T[K] = 5.85. Weighted oscillator strengths gf and A-values (s-1) are shown. Experimental λexp (Å) and theoretical λth (Å) wavelengths are included. Values in parentheses indicate differences between the observed and theoretical wavelengths.

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