Further Analysis of Active Region Thermal Structure from EUNIS-13

The 2013 April 23 flight of the Extreme Ultraviolet Normal Incidence Spectrograph (EUNIS) sounding rocket instrument returned high-quality spectra in two wavelength bands, 30.0-37.0 nm and 52.7-63.5 nm, sampling three active regions (11723, 11724, and 11726). The spectral lines in these bands probe a wide temperature range, 0.03 MK to 8 MK. We have demonstrated that the differential emission measure (DEM) varies significantly between different sub-regions of AR 11726. We extend this analysis to ARs 11723 and 11724 and include a wider selection of spectral lines to delineate better the variations in thermal structure.