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Table 1

Line data for the 11 lines considered in the spectrum synthesis.

nl–n′l′ λ aΔE J J′ F F′ f bΓ c σ d α elog C4
[nm]  [cm-1]   [rad   s-1]  [a.u.]
3s–3p 589.5 –0.033 1/2 1/2 1 1 2.67 × 10-2 6.14 × 107 407 0.237 −15.11
–0.039 1/2 1/2 1 2 1.33 × 10-1
0.026 1/2 1/2 2 1 8.00 × 10-2
0.020 1/2 1/2 2 2 8.00 × 10-2
3s–3p 588.9 –0.036 1/2 3/2 1 0, 1, 2 3.21 × 10-1 6.16 × 107 407 0.237 −15.11
0.022 1/2 3/2 2 1, 2, 3 3.21 × 10-1
3p–3d 818.3 1/2 3/2 8.63 × 10-1 1.13 × 108 804 0.270 −13.76
3p–3d 819.4 –0.020 3/2 3/2 8.63 × 10-2 1.13 × 108 804 0.270 −13.76
0.030 3/2 5/2 7.77 × 10-1
3p–4d 568.2 1/2 3/2 9.82 × 10-2 8.05 × 107 1955 0.327 −12.18
3p–4d 568.8 –0.014 3/2 3/2 9.82 × 10-3 8.07 × 107 1955 0.327 −12.18
0.021 3/2 5/2 8.84 × 10-2
3p–5s 615.4 1/2 1/2 1.42 × 10-2 7.43 × 107 – – −13.20
3p–5s 616.1 3/2 1/2 1.42 × 10-2 7.45 × 107 – – −13.20
3p–6s 514.8 1/2 1/2 4.52 × 10-3 6.81 × 107 – – −12.55
3p–7s 475.1 3/2 1/2 2.09 × 10-3 6.31 × 107 – – −10.24
4s–5p 1074.6 1/2 3/2 2.54 × 10-2 2.91 × 107 – – −12.64

Notes. 

(a)

ΔE is the difference in energy between the given subcomponent and the average energy gap bridged by the transition. The energy separations of the hyperfine components of 3s–3p are taken from Sydoryk et al. (2008).

(b)

Γ is the natural broadening width (FWHM).

(c)

σ is the broadening cross-section for collisions with neutral hydrogen at relative velocity v = 104   m   s-1.

(d)

α is the velocity dependence of σ.

(e)

C4 in [cm4   s-1].

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