coronal linesStrong emission lines in the spectrum of the Sun's corona caused by very high excitation metal ions, especially those of iron. The strongest of all is the green coronal green line [Fe XIV] (due to the Fe13+ ion) at 5303 Å. Other prominent ones are [FeX] at 6375 Å and [FeXI] at 7892 Å. Related categories SOLAR TOPICS• SPECTRA AND SPECTROSCOPY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |