Abstract
IN view of the interest attaching to the identification of the unknown lines of the solar corona, I have examined the possibility that they might be due to the occurrence of ‘forbidden’ transitions between terms in the spectra of ionised iron (Fe II), calcium (Ca II), titanium (Ti II, Ti III) and argon (Ar II), as well as several important forbidden transitions of the neutral titanium atom.
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LINDSAY, E. The Spectrum of the Corona. Nature 124, 94 (1929). https://doi.org/10.1038/124094b0
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DOI: https://doi.org/10.1038/124094b0
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