On the solar abundance of indium

Details On the solar abundance of indium On the solar abundance of indium

2007-11-14

arxiv.org/abs/0711.2166v1

Astronomy and Astrophysics

Astrophysics

7 pages, 9 figures, accepted for publication in MNRAS Main Journal

Scientific paper

10.1111/j.1365-2966.2007.12708.x

The generally adopted value for the solar abundance of indium is over six times higher than the meteoritic value. We address this discrepancy through numerical synthesis of the 451.13 nm line on which all indium abundance studies are based, both for the quiet-sun and the sunspot umbra spectrum, employing standard atmosphere models and accounting for hyperfine structure and Zeeman splitting in detail. The results, as well as a re-appraisal of indium nucleosynthesis, suggest that the solar indium abundance is close to the meteoritic value, and that some unidentified ion line causes the 451.13 nm feature in the quiet-sun spectrum.

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