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A comparison of theoretical line strengths for the 2s22p2− 2s2p3transitions in Nevwith solar data

✍ Scribed by F. P. Keenan; K. M. Aggarwal

Publisher
Springer
Year
1989
Tongue
English
Weight
301 KB
Volume
122
Category
Article
ISSN
0038-0938

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✦ Synopsis

Results are presented for several theoretical line ratios in Nev involving transitions between multiplets in the 2s22p 2 and 2s2p 3 configurations. A comparison of these with solar data from the S082A and S-055 instruments on board Skylab reveals generally good agreement between theory and experiment, especially in the case of the high-resolution (S082A) observations. However the 2s22p 2 ID -2s2p 3 tP (365.6 ~) and 2s22p 2 3p _ 2s2p3 3 S (359 ~) lines appear to be blended, possibly with transitions in Fe x and FexI/FexnI, respectively. We note that the intensity ratio I(365.6~)/I(416.2 ~) should be a valuable calibration check for a high-resolution extreme ultraviolet instrument in the spectral range 360-420/~.

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Z-dependence of the level intervals in 2
Z-dependence of the level intervals in 2s22p2, 2s22p3and 2s22p4
✍ Bengt Edĺen 📂 Article 📅 1972 🏛 Springer 🌐 English ⚖ 614 KB

Values of the level intervals in the ground configurations 2s 2 2p 2, 2s ~ 2p ~ and 2s z 2p ~ have been critically compiled from laboratory observations and from observations of nebular and coronal forbidden transitions. The data are represented within experimental errors by means of semi-empirical