New spectral line identifications in high-temperature flares

Details New spectral line identifications in high-temperature flares New spectral line identifications in high-temperature flares

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.225.1013f&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 225, April 15, 1987, p. 1013-1023.

Other

22

Solar Flares, Solar Spectra, Solar X-Rays, X Ray Spectra, Solar Maximum Mission, Solar Spectrometers, Solar Temperature

Scientific paper

A solar flare spectrum in the wavelength region between 7.8 and 10.0 Å, recorded by the Flat Crystal Spectrometer on Solar Maximum Mission during a flare on 1985 July 2, is presented. It includes several spectral emission lines not hitherto reported. Most are identified through comparison with wavelengths either measured in laser-produced spectra or calculated ab initio. It is found that they are mainly due to n = 2-4, 5 transitions in Fe XIX to Fe XXIII. In a few cases, previous identifications are corrected. The more intense lines appear in second order in another channel of the spectrometer. The potential of line-intensity ratios for temperature and density diagnostics is discussed.

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