Solar abundance of iron (Grevesse+, 1999)

Physics – Atomic Physics

Scientific paper

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Atomic Physics, Sun

Scientific paper

Numerous papers on the solar photospheric abundance of iron have recently been published leading to a longstanding debate concerning rather different results obtained from the analyses of Fe I lines and, to a lesser extent, of Fe II lines. Based on a set of 65 solar Fe I lines, with accurate transition probabilities as well as new accurate damping constants, we construct a new empirical photospheric model. We succeed to reconcile abundance results obtained from low and high excitation Fe I lines as well as from Fe II lines and derive a solar photospheric abundance of iron, AFe=7.50+/-0.05, which perfectly agrees with the meteoritic value. (1 data file).

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