Selected Fe II lifetimes and f-values suitable for a solar abundance study
R. Schnabel 1,
M. Kock 1 and
H. Holweger 2
Received 12 October 1998 / Accepted 12 November 1998
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.
Key words: atomic data methods: laboratory Sun: abundances
Send offprint requests to: M. Kock
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© European Southern Observatory (ESO) 1999
Online publication: February 22, 1999