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Fig. 3
EM loci curves for the 2007 Aug. 19 off-limb active region spectrum and a selection of iron (solid lines), sulfur (dashed), argon (dot dash), and calcium (dash triple dots) ions. The Asplund et al. (2009) photospheric abundances were adopted (with the exception of sulphur, decreased by a factor of 1.7).
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