08__050610_SCIP/SEB_PSR_Delivery.1 Temperature and Density Diagnostics with SECCHI EUVI J.S. Newmark Naval Research Laboratory (202)

08__050610_SCIP/SEB_PSR_Delivery.2 EUVI Temperature Response Contaminating Lines (Mg VII, Si VII) Contaminating Line (Si XI)

08__050610_SCIP/SEB_PSR_Delivery.3 EIT Temperature Response Contaminating Lines (Mg VII, Si VII) Contaminating Line (Si XI)

08__050610_SCIP/SEB_PSR_Delivery.4 EUVI and EIT Fe XV

08__050610_SCIP/SEB_PSR_Delivery.5 Differential Emission Measure I(ergs cm -2 s -1 sr -1 ) = F(atomic physics)* DEM, DEM =  Ne 2 dl/dlogT, assumes optically thin, steady state equilibrium, atomic physics = CHIANTI Applications: Solar absolute intensity maps- lines or bandpasses, thermal structure of the solar atmospheric energy balance, model radio thermal bremsstrahlung emission – appropriate for “stable” structures or long term studies, not FLARE related events. Loop temperatures and coronal heating EIT derived DEMs - Cook et al. 1999, 2003, forward modeling, full disk, pixel-by-pixel DEM maps from 80,000 K MK

08__050610_SCIP/SEB_PSR_Delivery.6 Computing DEM from Starter (tested for insensitivity)

08__050610_SCIP/SEB_PSR_Delivery.7 Data and Model Comparison Fe IX/X and Fe XII

08__050610_SCIP/SEB_PSR_Delivery.8 Data and Model Comparison Fe XV and He II

08__050610_SCIP/SEB_PSR_Delivery.9 Intensity Error Maps (Obs- Model)/Obs Largest errors due to low S/N

08__050610_SCIP/SEB_PSR_Delivery.10 Intensity Error Histograms (Obs-Model)/Obs

08__050610_SCIP/SEB_PSR_Delivery.11 EIT DEM Determined Irradiance and SOHO SEM Measured

08__050610_SCIP/SEB_PSR_Delivery.12 Average DEMs Active Region Quiet Sun Coronal Hole

08__050610_SCIP/SEB_PSR_Delivery.13 Model Temperature Slices (Log T = 5.0,5/5,6.0,6.5)

08__050610_SCIP/SEB_PSR_Delivery.14 He II (30.4 nm) Bandpass Decomposition

08__050610_SCIP/SEB_PSR_Delivery.15 Maps of Peak Temperature and Slope (LogT)

08__050610_SCIP/SEB_PSR_Delivery.16 Comparison DEM and EM Isothermal Emission Measure Determined from single ratio – note multi-thermal nature Ratio emission measure EM/0.3 (  LogT range) Ratio emission measure EM*0.7/0.3 ( over LogT distribution) Isothermal EM = DEM x  LogT

08__050610_SCIP/SEB_PSR_Delivery.17 DEM and Irradiance Software Solarsoft + CHIANTI EUVI DEM Software –EUVI_DEM_TOOL –EUVI_LINE_MAP –EUVI_IRRAD_SPEC –1024x1024x25 array takes ~2 minutes –User’s beware – please read assumptions in code, e.g. abundance, ionization equilibrium, helium enhancement, etc. 170 – 340 Å spectra, 10 Å bins –Website