Table I
Ne iii transitions. s strong lines, m medium lines, w weak lines.
Wavelength (Å) λ exp. λ ident. Transition 2214.7 s
2213.76a 3p ′ 3 F 3 –3d ′ 3 G 4 °2216.07a 3p ′ 3 F 4 –3d ′ 3 G 5 °2181.8 m 2180.89a 3s ′ 3 D 3 °–3p ′ 3 P 2 2164.2 s 2163.77b 3p 5 P 3 –3d 5 D 4 °2161.2 s
2161.22b 3p 5 P 2 –3d 5 D 3 °2161.04b 3p 5 P 2 –3d 5 D 2 °2150.5 s
2150.70a 3p ′ 3 D 3 –3d ′ 3 F 4 °2149.92a 3p ′ 3 D 2 –3d ′ 3 F 3 °Vacuum 1257.6 s 1257.20c 3s 3 S 1 °–3p ′ 3 P 2 1255.5 s
1255.68c 3s 3 S 1 °–3p ′ 3 P 1 1255.01c 3s 3 S 1 °–3p ′ 3 P 0 1247 m
1248.93d 3p 3 P 2 –3d ′ 3 D 3 °1247.68d 3p 3 P 1 –3d ′ 3 D 2 °
a T. L. de Bruin.
14
b W. L. Weise
et al .
9
c C. Moore.
15
d Our list of wavelengths.
Table II
Ne iv transitions. s Strong lines, m medium lines, w weak lines.
Wavelength (Å) λ exp λ ident. Transition 2204.2 s 2203.88a 3s 4 P 5/2 –3p 4 P 5/2 °2176.4 s 2176.1a 3s 4 P 3/2 –3p 4 P 5/2 °2105.3 w 2104.71b 3s 2 P 3/2 –3p 2 P 1/2 °2100.2 m 2099.51b 3s 2 P 3/2 –3p 2 P 3/2 °2069.8 m 2068.76b 3s 2 P 1/2 –3p 2 P 3/2 °2032.5 w
2029.58c 3s ′ 2 D 3/2 –3p ′2 D 3/2 °2033.30c 3s ′ 2 D 5/2 –3p ′2 D 5/2 °2024.2 s 2022.2b 3s ′ 2 D 5/2 –3p ′2 D 5/2 °2019.1 m 2018.43b 3s ′ 2 D 3/2 –3p ′2 D 3/2 °Vacuum 1991.3 s 1991.14b 3p ‴ 6 P 7/2 –3d ‴6 D 7/2, 9/2 °1987.7 s 1987.58b 3p ‴ 6 P 5/2 –3d ‴6 D 3/2, 5/2, 7/2 °1938.5 s
1939.72b 3p ′ 2 F 7/2 °–3d ′2 G 9/2 °1938.60b 3p 4 D 7/2 °–3d 4 F 9/2 1935.0 s 1934.5b 3p 4 D 5/2 °–3d 4 F 7/2 1933.4 s 1934.17b 3p ′ 2 F 5/2 °–3d ′2 G 7/2 1910.7 s 1910.64b 3p 4 P 5/2 °–3d 4 D 7/2 1905.6 m
1905.13b 3p 4 P 3/2 °–3d 4 D 5/2 1905.47b 3p 4 P 3/2 °–3d 4 D 3/2 1875.0 w 1874.91b 3s 4 P 5/2 –3p 4 S 3/2 °1855.8 w 1854.78b 3s 4 P 3/2 –3p 4 S 3/2 °
a A. S. Kaufman
et al .
16
b S. Lindeberg.
c Our list of wavelengths.
Table III
Ne v transitions. s Strong lines, m medium lines.
Wavelength (Å) λ exp. ident. Transition 2144.5 s 2144.28a 3p ′ 5 D 4 °–3d ′ 5 F 5 2138.0 s 2138.09a 3p ′ 5 D 3 °–3d ′ 5 F 4 2133.6 s 2133.78a 3p ′ 5 D 2 °–3d ′ 5 F 3 4 2041.5 s 2041.28a 3s ′ 5 P 3 –3p ′ 5 P 2 °2026.2 s 2026.26a 3s ′ 5 P 3,2 –3p ′ 5 P 3,1 °2003.9 s 2003.17a 3s ′ 5 P 2 –3p ′ 5 P 3 °2001.8 s 2000.5a 3s ′ 5 P 1 –3p ′ 5 P 1 °Vacuum 1982.0 s 1981.96a 3p 3 D 3 –3p 3 F 4 °1976.0 s 1975.60a 3p 3 D 2 –3p 3 F 3 °1719.0 s 3s 1 P 1 °–3p 1 D 2 1635.6 m 1633.82b 3p 3 D 2 –3d 3 P 1 °
a S. Lindeberg.
3
b Our list of wavelengths.
Table IV
Ne vi transitions. s Strong lines, m medium lines, w weak lines.
Wavelength (Å) λ exp λ ident. Transition 2055.3 w 2055.93b 3s 2 S 1/2 –3p 2 P 1/2 °2041.5a s 2042.38b 3s 2 S 1/2 –3p 2 P 3/2 °Vacuum 1679.8 w 1679.63c 3s 4 P 5/2 °–3p 4 P 3/2 1668.1 m 1667.81c 3s 4 P 5/2 °–3p 4 P 5/2
a Blended with 2041.28 of Ne
v .
b K. Bockasten
et al .
17
c S. Lindeberg.
3
Table V
Unidentified lines. s Strong lines, m medium lines, w weak lines.
Wavelength (Å) Identification of charge state 2193.3 m v or vi 2169.1 m iv 2084.4 w v 2072.2 s vi 2066.7 s iii 2060.7 m v 2057.7 w vi 2050.0 w v or vi 2007.3 w iii , iv , or v Vacuum 1987.7 s iv +v 1967.1 w iv or v 1957.0 w iii 1955.1 w iii 1952.2 w iii 1945.4 s iii 1900.7 w iv or v 1893.3 m v 1875.0 m iv or v 1865.8 m v 1852.3 w iii , iv , or v 1850.0 w iv 1843.0 s iii +ii 1835.8 w iii or iv 1823.1 s iii 1809.1 m iv 1802.5 m iv 1799.0 m iv 1349.6 m iii 1344.6 s iv 1337.0 m iii or iv 1326.8 w iii or iv 1320.8 w iii or iv 1315.0 s v 1305.6 s iii 1775.2 w iii or iv 1728.0 w iii or iv 1687.3 s iii or iv 1621.8 m iv 1620.3 s v 1617.9 m iv 1603.7 m iii , iv , or v 1596.5 s v 1594.4 s v 1585.7 s v 1581.7 m iii or iv 1571.8 s v 1569.1 m v 1556.1 s iv or v 1493.4 w iii or iv 1481.6 m iii or iv 1473.1 m iii or iv 1461.0 m iii 1459.0 m iii or iv 1446.4 w iii or iv 1445.3 w iii or iv 1438.5 w iii or iv 1422.0 w iii or iv 1389.7 s iv 1376.1 s iv 1374.0 s iv 1368.5 m iv 1361.0 s iv 1359.1 s iii 1356.6 s iv 1302.4 m iii 1296.0 s iii 1282.7 s iv 1276.8 s iv or v 1271.8 s v 1252.9 m iii 1139 w iii
Table VI
Mean lives of the Ne ii levels.
Wavelength (Å) Level Mean life of the upper level (ns) Other measurements Theory Lower Upper a b c 3713 3s 2 P 3/2 3p 2 D 5/2 °8.5±0.9 ⋯ 7.1 7.7 3694 3s 4 P 5/2 3p 4 P 5/2 °6.8±0.7 10 7.2 7.7 3568 3s ′ 2 D 5/2 3p ′ 2 F 7/2 °8.8±0.9 8.8 6.4 7.7 3481.9 3s 2 P 3/2 3p 2 S 1/2 °5.0±0.5 4.8 6.0 6.7 3417 3p 2 D 5/2 ′3d 2 F 7/2 4.7±0.5 ⋯ 3.0 5.0 3407 3p ′ 2 D 5/2 °3d ′ 2 D 5/2 4.5±0.5 ⋯ 0.53 3.1 3334 3s 4 P 5/2 3p 4 D 7/2 °4.7±0.5 ⋯ 5.2 5.5 3230 3s ′ 2 D 5/2 3p ′ 2 D 5/2 °7.5±0.8 5.5 4.7 5.3 3229 3p ′ 2 F 7/2 °3d ′ 2 G 9/2 2.0±0.3 ⋯ ⋯ 2.7 3198.6 3p 4 D 5/2 °3d 4 F 7/2 4.3±0.4 ⋯ 2.8 4.1 3097 3p ′ 2 F 7/2 °3d ′ 2 D 9/2 4.7±0.5 ⋯ 0.53 3.1 3034 3p 4 P 5/2 °3d 4 D 7/2 2.8±0.3 ⋯ 2.4 ⋯ 2955 3s 4 P 5/2 3p 4 S 3/2 °4.8±0.5 ⋯ 3.7 ⋯
a J. E. Hesser.
7
b D. Hodges
et al .
9
c W. L. Wiese
et al .
9 and our calculations (Coulomb approximation).
Table VII
Mean lives of the Ne iii levels.
Wavelength (Å) Level Mean life of the upper level (ns) Other measurements Theory Lower Upper a b c 1685 unidentified 1.1±0.5 … … … 2151 3p ′ 3 D 3d ′ 3 F °2.2±1 … … 1.6 2167 3p 5 P 3d 5 D °2.7±0.2 … … 1.5 2178 3s ′ 3 D °3p ′ 3 P 1.9±0.9 … … 2.4 2216 3p ′ 3 F 3d ′ 3 G °2.2±0.2 2.1 … … 2593 3s 5 S °3p 5 P 5.6±0.6 5.9 4 4 2613 3s ′ 3 D °3p ′ 3 F 5.2±0.5 5.0 4.2 4.2 2638 3s ″ 3 P °3p ″ 3 P 4.1±0.2 … … 4.3 2678 3s 3 S °3p 3 P 3.9±0.4 3.7 4.2 4.2 2785 3s ′ 3 D °3p ′ 3 D 4.8±0.5 … … 5.08 2824 3s ″ 3 P °3p ″ 3 D 4.6±0.5 … … 5.33 2865 3s ′ 1 D °3p ′ 1 F 6.7±0.7 … … … 2906 unidentified 3.3±0.5 … … … 4453 unidentified 1.8±0.2 … … … 4458 unidentified 1.8±0.2 … … …
a J. Hesser.
7
b W. L. Wiese
et al. 9
c Our calculation (Coulomb approximation).
Table VIII
Mean lives of the Ne iv levels.
Wavelength (Å) Level Mean life of the upper level (ns) Theory Lower Upper a b 1810 3s ′ 2 D 3p ′ 2 P °1.9±0.9 … 1.7 1910 3p 4 D °3d 4 D 2.1±1 … 1.6 1938.5 3p ′ 2 F °3d ′ 2 G 2±1 1.75 3p 4 D °3d 4 F 2024 3s ′ 2 D 3p ′ 2 D °2.6±1.2 … 2.5 2203 3s 4 P 3p 4 P °3.2±1.6 … 3.2 2264 3s ″ 6 S 3p ″ 6 p °4.5±0.4 3.4 3.3 2285–93 3s ′ 2 D 3p ′ 2 F °3.8±0.4 3.6 3.6 2358 3s 4 P 3p 4 D °4.4±0.5 4.0 4.1 2486 unidentified 1.1±0.1 … … 2894 unidentified 3.3±0.3 … … 4646 unidentified 4.2±0.4 … …
a W. L. Wiese.
9
b Our calculations (Coulomb approximation).
Table IX
Mean lives of the Ne v levels.
Wavelength (E) Level Mean life of the upper level (ns) Theory Lower Upper a 1719 3s 1 P °3p 1 D 1.3±0.6 2004 3s ′ 5 P 3p ′ 5 P °4.7±2 2232 3s ′ 5 P 3p ′ 5 D °4.3±0.4 5.0 2967 unidentified 1.9±0.2 2986 unidentified 1.6±0.2 2999 unidentified 0.5±0.05 3266 unidentified 2.0±0.2 4938 unidentified 1.9±0.2
a Our calculation (Coulomb approximation).
Table X
Mean lives of the Ne vi Levels.
Wavelength (Å) Level Mean life of the upper level (ns) Lower Upper 2553 unidentified 2.3±0.2 2569 3p 4 D 3d 4 F ° 9.9±1.0 3425 unidentified 1.8±0.2 5289 unidentified 3.9±0.4
Table XI
Oscillator strengths for N i and C i isoelectronic sequence.
Transition N i O ii F iii a Ne iv 3p ′ 2 F °–3d ′ 2 G 0.53±0.08 0.66±0.1 0.49±0.2 0.36±0.2 3s 4 P –3p 4 P °0.26±0.05 0.33±0.05 0.27±0.09 0.23±0.1 3s 4 P –3p 4 D °0.31±0.05 0.55a ±0.15 0.41±0.1 0.31±0.15
Transition C i N ii O iii F iv a Ne v 3s 1 P °–3p 1 D 0.4b ±0.2 0.52±0.05 0.65±0.1 0.6±0.2 0.57±0.3 3s ′ 5 P –3p ′ 5 P °0.25±0.03 0.17±0.2 0.14±0.04 0.13±0.06
a Interpolated values.
b Theoretical values.
9