Fig. 6 from Coronal Composition above the Solar Equator and the North Pole as Determined from Spectra Acquired by the SUMER Instrument on SOHO

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Coronal Composition above the Solar Equator and the North Pole as Determined from Spectra Acquired by the SUMER Instrument on SOHO

Authors: U. Feldman, U. Schühle, K. G. Widing, and J. M. Laming

Feldman et al. 1998 The Astrophysical Journal 505 999.

Provider: AAS Journals

Caption: Fig. 6.

Relative line intensities as a function of height above the quiet equatorial region of a number of prominent spectral lines. Ne VIII 770.41 Å (2s ²S_1/2–2p ²P_3/2), Mg X 609.78 Å (2s ²S_1/2–2p ²P_3/2), Si IX 580.85 Å (2s² ¹S₀–2s2p ³P₁), and Si XII 499.40 Å (2s ²S_1/2–2p ²P_3/2) are plotted as solid curves. Fe X 1028.02 Å (3p⁴3d ⁴D_7/2–3p⁴3d ⁴F_7/2), Fe XI 1467.06 Å (3p⁴ ³P₁–3p⁴ ¹S₀) and Fe XII 1242.00 Å (3s²3p³ ⁴S_3/2–3s²3p³ ²P_3/2) are plotted as dashed curves.

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