Relative Elemental Abundances of the Quiet Solar Corona as Determined by SERTS

descriptionPublicationkeyboard_double_arrow_right Article 20 Jun 1997 English Publisher:American Astronomical SocietyJournal:The Astrophysical Journal, volume 482, pages 1,050-1,064 (issn: 0004-637X, eissn: 1538-4357,

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Authors: D. A. Falconer; J. M. Davila; R. J. Thomas;

doi: 10.1086/304156

Relative Elemental Abundances of the Quiet Solar Corona as Determined by SERTS

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Abstract

Intensities of extreme-ultraviolet (EUV) spectral lines were measured as a function of radius off the solar limb by two flights (1989 May 5 and 1991 May 7) of the Solar Extreme-ultraviolet Rocket Telescope and Spectrograph (SERTS) for three quiet solar regions. The line-ratio density, line-ratio temperature, and emission measure were determined. The relative abundances of silicon, aluminum, and chromium to iron were determined. Results agreed with standard coronal relative elemental abundances for one observation, but did not agree for the other, in which aluminum was overabundant.

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