Fig. 3
Relative contribution function G(T) (i.e. peak set to 1) for Fe XVI 262.9760 Å plotted using CHIANTI. Fe XVI is mainly formed over the temperatures of 2 to 4 MK. Over these temperatures, Fe XVI G(T) values are greater than half of the maximum contribution value, showing that Fe XVI is easily formed over this temperature range. The G(T) curve is similar for both coronal and photospheric abundances.
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