New AE values for iron
Article first published online: 3 JUN 2011
©1970. American Geophysical Union. All Rights Reserved.
Eos, Transactions American Geophysical Union
Volume 51, Issue 12, pages 887–888, December 1970
How to Cite
1970), New AE values for iron, Eos Trans. AGU, 51(12), 887–888, doi:10.1029/EO051i012p00887.(
- Issue published online: 3 JUN 2011
- Article first published online: 3 JUN 2011
- Cited By
Astronomers are greatly interested in accurate determinations of the abundance of solar iron, determinations that are of critical importance in developing models of the solar atmosphere. They have been puzzled by determinations that seemed to give a much smaller iron abundance in the sun's photosphere than in the corona. The accuracy in determining such abundances is critically dependent upon a basic atomic characteristic—the atomic oscillator strengths, or ƒ values, of the element in question. Gross deviations between a few newly measured Fe I ƒ values in the literature and older, widely accepted comprehensive data tables led atomic physicists J.M. Bridges and W.L. Wiese of the National Bureau of Standards (U.S. Department of Commerce) Institute for Basic Standards to remeasure the ƒ values for iron on a comprehensive scale in hopes of resolving this discrepancy.