Table 1: Peak population fractions and corresponding temperatures, in equilibrium, for the selected transition region ions.
Ion Y_i log₁₀ $T_{\rm peak}$

He I 1.00 4.0

He II 0.98 4.7

C III 0.86 4.8

C IV 0.34 5.0

**Table 1:** Peak population fractions and corresponding temperatures, in equilibrium, for the selected transition region ions.
Ion	Y_i	log₁₀ $T_{\rm peak}$
He I	1.00	4.0
He II	0.98	4.7
C III	0.86	4.8
C IV	0.34	5.0

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