Abstract
A brief survey is given of silicon lines in the spectra of the solar photosphere, chromosphere and corona. These lines arise not only from the spectrum of the neutral atom, but also from the ionic spectra of every stage of ionization, i.e. Si i through Si xiv. The ionization potentials range from 8 to 2673 eV, and the wavelengths of the solar identifications span the interval from 6 Å to 25129 Å. The wide range of excitation and ionization thus represented makes silicon a suitable element for detailed study of solar models, fluxes, abundances and the like.
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