Ne/O, Mg/O, and Fe/O Abundances Derived from Spectroscopic and SEP Analysis

Details Ne/O, Mg/O, and Fe/O Abundances Derived from Spectroscopic and SEP Analysis Ne/O, Mg/O, and Fe/O Abundances Derived from Spectroscopic and SEP Analysis

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...188.7017i&link_type=abstract

American Astronomical Society, 188th AAS Meeting, #70.17; Bulletin of the American Astronomical Society, Vol. 28, p.941

Astronomy and Astrophysics

Astronomy

Scientific paper

Ne/O. Mg/O, and Fe/O abundances derived from 33 Solar Maximum Mission Flat Crystal Spectrometer spectra are compared with those derived from the in situ Solar Energetic Particle analysis of Reames (1995, Adv. Space Res., 15 (7)41). The spectra were obtained from non-flaring, quasi-stable active regions and include lines of the Mg XI (9.17 Angstroms), Ne IX (13.45 Angstroms), Fe XVIII (14.22 Angstroms), Fe XVII (16.78 Angstroms), and O VIII (18.97 Angstroms) which were used in this study. With a temperature determined from the ratio of the Fe XVIII to Fe XVII line fluxes, the abundance ratios are obtained using: $ {F_{Ne,Mg,Fe} / FO} = {{A_{Ne,Mg,Fe} \ G_{Ne,Mg,Fe}(T_e)} / {AO \ GO(T_e)}} => { {A_{Ne,Mg,Fe} / AO}} where F is the line flux, A is the abundance, and G(T)$ is the emissivity function.

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