Theoretical investigation of transition data of astrophysical importance in neutral sulphur

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Table 2

Comparison of experimental and theoretical weighted oscillator strength, log(gf), for S I.

Upper state	Lower state	λ_vac.	ab initio		Fine-tuned		ZB2006^a	DH2008^b		Experiments
Upper state	Lower state			(Å)	B	C	ZB2006^a	B	C	Experiments	B	C
$3 p^{3} (^{2} P) 4 s 3 P_{2}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}(^{2} \mathrm{P}) 4 \mathrm{s}~^{3} \mathrm{P}_{2}^\mathrm{o}\]$$	3p⁴(³P) ³P₂	1295.653	−0.389	−0.397	−0.391	−0.398	−0.385	−0.412	−0.434	−0.362±0.030^c
$3 p^{3} (^{2} P) 4 s 3 P_{1}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}(^{2} \mathrm{P}) 4 \mathrm{s}~^{3} \mathrm{P}_{1}^\mathrm{o}\]$$	3p⁴(³P) ³P₂	1296.174	−0.874	−0.882	−0.878	−0.886	−0.870	−0.888	−0.907	−0.959±0.039^c
$3 p^{3} (^{2} P) 4 s 3 P_{2}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}(^{2} \mathrm{P}) 4 \mathrm{s}~^{3} \mathrm{P}_{2}^\mathrm{o}\]$$	3p⁴(³P) ³P₁	1302.336	−0.801	−0.809	−0.801	−0.808	−0.805	−0.827	−0.845	−0.815±0.043^c
$3 p^{3} (^{2} P) 4 s 3 P_{1}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}(^{2} \mathrm{P}) 4 \mathrm{s}~^{3} \mathrm{P}_{1}^\mathrm{o}\]$$	3p⁴(³P) ³P₁	1302.862	−1.078	−1.087	−1.078	−1.086	−1.074	−1.084	−1.103	−0.932±0.067^c
$3 p^{3} (^{2} P) 4 s 3 P_{1}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}(^{2} \mathrm{P}) 4 \mathrm{s}~^{3} \mathrm{P}_{1}^\mathrm{o}\]$$	3p⁴(³P) ³P₀	1305.883	−0.910	−0.919	−0.910	−0.917	−0.914	−0.921	−0.939	−0.824±0.038^c
$3 p^{3} (^{4} S) 4 s 3 S_{1}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}(^{4} \mathrm{S}) 4 \mathrm{s}~^{3} \mathrm{S}_{1}^\mathrm{o}\]$$	3p⁴(³P) ³P₂	1807.312	−0.367	−0.374	−0.370	−0.379	−0.371	−0.369	−0.394	−0.319±0.032^c
$3 p^{3} (^{4} S) 4 s 3 S_{1}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}(^{4} \mathrm{S}) 4 \mathrm{s}~^{3} \mathrm{S}_{1}^\mathrm{o}\]$$	3p⁴(³P) ³P₁	1820.342	−0.597	−0.605	−0.600	−0.610	−0.601	−0.599	−0.624	−0.593±0.056^c
$3 p^{3} (^{4} S) 4 s 3 S_{1}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}(^{4} \mathrm{S}) 4 \mathrm{s}~^{3} \mathrm{S}_{1}^\mathrm{o}\]$$	3p⁴(³P) ³P₀	1826.245	−1.077	−1.084	−1.080	−1.089	−1.080	−1.078	−1.103	−1.252±0.085^c

Abundance diagnostic S I lines

3p³(⁴S)5p ⁵P₃	$3 p^{3} (^{4} S) 4 s 5 S_{2}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}(^{4} \mathrm{S}) 4 \mathrm{s}~^{5} \mathrm{S}_{2}^\mathrm{o}\]$$	4695.422	−1.667	−1.690	−1.675	−1.686	−1.716	−1.599	−1.607
3p³(⁴S)5p ⁵P₂	$3 p^{3} (^{4} S) 4 s 5 S_{2}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}(^{4} \mathrm{S}) 4 \mathrm{s}~^{5} \mathrm{S}_{2}^\mathrm{o}\]$$	4696.753	−1.825	−1.849	−1.833	−1.845	−1.873	−1.753	−1.757
$3 p^{3} (^{4} S) 5 d^{5} D_{2}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}({ }^{4} \mathrm{S}) 5 \mathrm{d}~{ }^{5} \mathrm{D}_{2}^\mathrm{o}\]$$	3p³(⁴S)4p ⁵P₃	6758.611	−1.858	−1.896	−1.857	−1.869	−1.784
$3 p^{3} (^{4} S) 5 d^{5} D_{3}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}({ }^{4} \mathrm{S}) 5 \mathrm{d}~{ }^{5} \mathrm{D}_{3}^{\mathrm{o}}\]$$	3p³(⁴S)4p ⁵P₃	6758.886	−1.014	−1.051	−1.012	−1.024	−0.940
$3 p^{3} (^{4} S) 5 d^{5} D_{4}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}({ }^{4} \mathrm{S}) 5 \mathrm{d}~{ }^{5} \mathrm{D}_{4}^\mathrm{o}\]$$	3p³(⁴S)4p ⁵P₃	6759.043	−0.428	−0.465	−0.427	−0.438	−0.353
$3 p^{3} (^{4} S) 4 d 5 D_{0}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}({ }^{4} \mathrm{S}) 4 \mathrm{d}~^{5} \mathrm{D}_{0}^\mathrm{o}\]$$	3p³(⁴S)4p ⁵P₁	8672.585	−0.911	−0.962	−0.918	−0.932	−0.908	−0.826	−0.873
$3 p^{3} (^{4} S) 4 d 5 D_{4}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}({ }^{4} \mathrm{S}) 4 \mathrm{d}~^{5} \mathrm{D}_{4}^\mathrm{o}\]$$	3p³(⁴S)4p ⁵P₃	8697.023	+0.047	−0.004	+0.040	+0.027	+0.052	+0.186	+0.182
3p³(⁴S)4p ³P₂	$3 p^{3} (^{4} S) 4 s 3 S_{1}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}({ }^{4} \mathrm{S}) 4 \mathrm{s}~^{3} \mathrm{S}_{1}^\mathrm{o}\]$$	10458.308	0.259	+0.273	+0.259	+0.262	+0.256	+0.270	+0.274	+0.250±0.009^d
3p³(⁴S)4p ³P₀	$3 p^{3} (^{4} S) 4 s 3 S_{1}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}(^{4} \mathrm{S}) 4 \mathrm{s}~^{3} \mathrm{S}_{1}^\mathrm{o}\]$$	10459.618	−0.440	−0.426	−0.440	−0.436	−0.444	−0.429	−0.426	−0.447±0.011^d
3p³(⁴S)4p ³P₁	$3 p^{3} (^{4} S) 4 s 3 S_{1}^{o}$ $Mathematical equation: $\[3 \mathrm{p}^{3}(^{4} \mathrm{S}) 4 \mathrm{s}~^{3} \mathrm{S}_{1}^\mathrm{o}\]$$	10462.267	+0.037	+0.051	+0.037	+0.041	+0.035	+0.048	+0.052	+0.030±0.010^d

Notes. B: Babushkin gauges. C: Coulomb gauges. The vacuum wavelengths are used in the table. ^(a)Zatsarinny & Bartschat (2006). ^(b)Deb & Hibbert (2008). ^(c)Beam-foil technique by Beideck et al. (1994). ^(d)Laser spectroscopy by Zerne et al. (1997).

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