Selected Fe II lifetimes and f-values suitable for a solar abundance study

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Atomic Data, Methods: Laboratory, Sun: Abundances

Scientific paper

A selected number of Fe II level lifetimes have been measured anew with an improved experimental equipment and evaluation procedure yielding data with uncertainties around 1%. The lifetimes have been used to rescale the corresponding oscillator strengths and to derive solar abundances. On average, the iron abundance, log N(Fe) = 7.42 +/- 0.09 on the scale log N(H) = 12, is further reduced supporting the lower abundance results in the literature.

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