The relative abundance of neon and magnesium in the solar corona

Details The relative abundance of neon and magnesium in the solar corona The relative abundance of neon and magnesium in the solar corona

Jan 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976stin...7618027r&link_type=abstract

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Physics

Magnesium, Neon, Solar Corona, Abundance, Ov-1 Satellites, Solar Spectra, X Ray Spectroscopy

Scientific paper

A technique is proposed for specifically determining the relative solar coronal abundance of neon and magnesium. The relative abundance is calculated directly from the relative intensity of the resonance lines of Ne X (12.134A) and Mg XI (9.169A) without the need for the development of a detailed model of the thermal structure of the corona. Moderate resolution Bragg crystal spectrometer results from the OVI-10 satellite were used to determine a coronal neon to magnesium relative abundance of 1.47 + or - 0.38. The application of this technique to a recent higher resolution rocket observation gave an abundance ratio of approximately 0.93 + or - 0.15.

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