| Issue |
A&A
Volume 533, September 2011
|
|
|---|---|---|
| Article Number | A12 | |
| Number of page(s) | 8 | |
| Section | Atomic, molecular, and nuclear data | |
| DOI | https://doi.org/10.1051/0004-6361/201117121 | |
| Published online | 12 August 2011 | |
Benchmarking atomic data for astrophysics: Fe xiii EUV lines
Department of Applied Mathematics and Theoretical PhysicsUniversity of Cambridge, Wilberforce road, Cambridge CB3 0WA, UK
e-mail: G.Del-Zanna@damtp.cam.ac.uk
Received: 20 April 2011
Accepted: 13 July 2011
Recent atomic data for Fe xiii are benchmarked against high-resolution spectroscopic observations of the solar corona. All the identifications of the EUV lines are reviewed by also taking into account laboratory measurements. A few new identifications are proposed, and many wavelengths are revised. All the strongest EUV lines are now identified. Very good agreement between predicted and observed line intensities is generally found using the latest atomic calculations. We clearly indicate which EUV lines are blended, and which are best for electron-density measurements in different regimes.
Key words: atomic data / line: identification / techniques: spectroscopic / Sun: corona
© ESO, 2011
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