Detection of emission in the Si I 1082.7 nm line core in sunspot umbrae
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DOI: 10.1051/0004-6361/201731216
Abstract: Context. Determining empirical atmospheric models for the solar chromosphere is difficult since it requires the observation and analysis of spectral lines that are affected by non-local thermodynamic equilibrium (NLTE) effects. This task is especially difficult… read more here.
Keywords: line; scattered light; 1082 line; sunspot umbrae ... See more keywords