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In this work we combined AWSoM's non-equilibrium ionization [NEI]calculations from (Szente:2022) with the synthetic spectral computations ofSPECTRUM (Szente:2019), to predict non-equilibrium line intensities across theentire domain of the AWSoM 3D global model. We find that the resulting spectraare strongly affected by non-equilibrium effects in the fast wind regions andstreamer edges and that these effects propagate to narrowband images fromSoHO/EIT, SECCHI/EUVI and SDO/AIA. The dependence shows a different nature foreach line observed resulting in significant changes in line intensity, whichneed to be accounted for during plasma diagnostics. However, we also find thatthese effects depend on the local plasma properties, and that no singlecorrection can be developed to account for non-equilibrium effects in observedspectra and images. Comparing to observational data we saw that the changes dueto NEI, while significant, are not sufficient to account for the differencesbetween Hinode/EIS spectra and AWSoM/SPECTRUM predictions.

Non-equilibrium Ionization Effects on Synthetic Spectra in the AWSoM Solar Corona