Other
Scientific paper
Apr 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mnras.183...79l&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 183, Apr. 1978, p. 79-100. Research supported by the Robert A. Welch Fo
Other
221
Abundance, Chemical Elements, Electron Transitions, Photosphere, Radiative Lifetime, Solar Atmosphere, Atmospheric Models, Atmospheric Turbulence, Carbonaceous Chondrites, Isotropic Turbulence
Scientific paper
A critical rediscussion of photospheric abundances is given for elements in the periodic table between sodium and calcium. The photospheric evidence for each element except chlorine and argon is briefly reviewed, and a critical assessment is presented concerning theoretical and experimental information on the f-values for each spectrum. Results of an abundance analysis are examined for a reference model atmosphere obtained by combining the model of Holweger and Mueller (1974) with a constant isotropic microturbulent velocity of 1.0 km/s. Effects of model-atmosphere uncertainties are evaluated by comparing the results with sample abundances yielded by five other recent model atmospheres. A comparison of the solar abundances with those determined for type C-1 carbonaceous chondrites shows that the accuracy of the solar abundances within the Na-Ca range is now at the + or - 0.1 dex level.
Lambert David L.
Luck Earle R.
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