Application of Spectroscopic Diagnostics to Early Observations with the SOHO Coronal Diagnostic Spectrometer
Young, P. R.; Mason, H. E.; Harrison, R. A.; Del Zanna, G.; Fludra, A.; Bromage, B. J. I.; Pike, C. D.
United Kingdom
Abstract
The Coronal Diagnostic Spectrometer (CDS) has as a scientific goal the determination of the physical parameters of the solar plasma using spectroscopic diagnostic techniques. Absolute intensities and intensity ratios of the EUV spectral emission lines can be used to obtain information on the electron density and temperature structure, element abundances, and dynamic nature of different features in the solar atmosphere. To ensure that these techniques are accurate it is necessary to interface solar analysis programs with the best available atomic data calculations. Progress is reported on this work in relation to CDS observations.