Physics
Scientific paper
Jul 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978soph...58..263c&link_type=abstract
Solar Physics, vol. 58, July 1978, p. 263-277. Research supported by the Research Corp.;
Physics
2
Astronomical Spectroscopy, Emission Spectra, Line Spectra, Solar Limb, Solar Spectra, Abundance, Fine Structure, Luminous Intensity, Spectral Resolution, Tables (Data), Telescopes
Scientific paper
Spectrograms of high spatial and spectral resolution have been obtained of the extreme solar limb, using the vacuum tower telescope of Sacramento Peak Observatory. Emission lines in the range 3398-3526 A have been identified and classified according to intensity, spatial structure (intensity variation), and profile. Some lines show spatial intensity variation; others do not. It is shown that this effect is related to the abundance of the element responsible for the line and the mean lower-level excitation potential of interlocked lines. This effect is explained in terms of radiative interlocking with other lines, as well as the characteristic size of the volume contributing to the mean intensity.
Beckers Jacques M.
Canfield Richard C.
Pasachoff Jay. M.
Stencel Robert E.
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