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INVESTIGATIONS OF THE MnI 539.47 nm AND MnI 542.04 nm LINES IN SOLAR PLAGES
Sun faculae, plages-Techniques spectroscopic Line profiles
2009/3/3
We observed the MnI 539.47 nm and 542.04-nm line profiles in
the quiet photosphere and plage regions in 1998 and 2001, and measured the full
widths at half maximum, equivalent widths and depths of t...