G. D. Sandlin scite author profile

Forbidden lines of Fe xvm, Fe xix, and Fe xxi are identified at 974, 1118, and 1354 Ä, respectively, in NRL ATM solar flare spectra. These lines are due to magnetic dipole transitions between levels of the ground configurations. The widths of the Fe xix and Fe xxi lines are ^0.5 Ä, which is substantially greater than expected in ionization equilibrium. The intensity-time behavior and the widths of these lines are discussed for the 1973 June 15 flare.

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G. D. Sandlin

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