Emission lines from O IV as a plasma diagnostic |
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| Authors: | B N Dwivedi A K Gupta |
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| Institution: | (1) Department of Applied Physics, Institute of Technology, Banaras Hindu University, 221 005 Varanasi, India |
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| Abstract: | Using several density diagnostic Oiv theoretical line ratios and corresponding observed values for the same source by Sandlin et al. (1984) and Sandlin, Brueckner, and Tousey (1977), we find that an emitting region has a multidensity structure. We discuss several other line ratios for density measurement in sunspots, active regions, and flares. |
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