Atomic data for permitted resonance lines of atoms and ions from H to Si, and S, Ar, Ca, and Fe

D. A. Verner, E. M. Verner, G. J. Ferland

Research output: Contribution to journalArticlepeer-review

287 Scopus citations


We list vacuum wavelengths, energy levels, statistical weights, transition probabilities, and oscillator strengths for permitted resonance spectral lines of all ions of 18 astrophysically important elements (H through Si, S, Ar, Ca, Fe). Using a compilation of experimental energy levels, we derived accurate wavelengths for 5599 lines of 1828 ground-term multiplets which have gf-values calculated in the Opacity Project. We recalculated the Opacity Project multiplet gf-values to oscillator strengths and transition probabilities of individual lines. For completeness, we added 372 resonance lines of Ne I, Ar I, Fe I, and Fe II ions which are not covered by the Opacity Project. Intercombination and forbidden lines are not included in the present compilation.

Original languageEnglish
Pages (from-to)1-180
Number of pages180
JournalAtomic Data and Nuclear Data Tables
Issue number1
StatePublished - Sep 1996

Bibliographical note

Funding Information:
This work was supported by grants from the National Science Foundation (AST 93-19034) and NASA (NAGW 3315). We are grateful to M. J. Seaton for useful discussions on the Opacity Project data. We are also grate- ful to the Opacity Project team for their efforts to make the data available before publication through the TOPbase database. We acknowledge the use of the TOPbase 0.7 database installed by A. K. Pradhan at the Ohio State University. We thank K. T. Korista for helpful conversations. We are indebted to both referees for suggestions which improved the presentation of the tables.

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics


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