On the identification of Ar x and Ar xiv in the solar corona and the origin of the unidentified coronal lines期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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On the identification of Ar x and Ar xiv in the solar corona and the origin of the unidentified coronal lines

Authors:	Bengt Edlén

Institution:	(1) Physics Dept., University of Lund, Lund, Sweden

Abstract:	A study of theZ-dependence of the² P intervals of 2s ²2p and 2s ²2p ⁵, aided by recent observational results, confirms the identification in the coronal spectrum of λ 4412 with Arxiv, and of λ 5533.4 with Arx. It is further shown that transitions from metastable levels in the configurations 3s ²3p ^k 3d, withk=3, 4 and 5, of Fexi,x, ix, and Nixiii, xiii, xi can well account for the remaining unidentified coronal lines.

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