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Table 4

Relative intensities of Mg viii lines in a SUMER spectrum of the quiet Sun.

Transition Wavelength (Å) SUMER Present theory CHIANTI

2s22p 2P–2s2p24P3/2 762.66 0.07 0.07 0.08
2s22p 2P–2s2p24P1/2 769.38 0.23 0.19 0.18
2s22p 2P–2s2p24P5/2 772.28 1.00 1.00 1.00
2s22p 2P–2s2p24P3/2 782.36 0.53 0.56 0.59
2s22p 2P–2s2p24P1/2 789.43 0.15 0.15 0.14

Notes.Intensities listed relative to I(772.28 Å).

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