Abundance determination in solar active region

Details Abundance determination in solar active region Abundance determination in solar active region

Apr 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994adspr..14..163m&link_type=abstract

Advances in Space Research, vol. 14, no. 4, p. (4)163-(4)166

Computer Science

9

Abundance, Emission Spectra, Line Spectra, Solar Corona, Solar Temperature, Solar Wind, Solar Activity, Spectral Resolution, Spectrum Analysis

Scientific paper

An improved method has been developed to evaluate element abundances from emission line intensities of thin plasmas, depending on the differential emission measure (DEM) of the source. Observations made by the Solar EUV Rocket Telescope and Spectrograph (SERTS) Rocket EUV Spectrograph are used to perform a detailed analysis of the DEM distribution for temperatures larger than 105 K in a solar active region. Comparison of the DEM distributions obtained by means of lines from different elements allows the verification of relative abundances for the most common elements of the solar corona, and gives an abundance estimates for the minor components, such as Na, Al, Ar, Cr, Mn and Zn.

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