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Experimental oscillator strengths in U II of cosmological interest

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Author

Summary, in English

Oscillator strengths for 57 U II lines in the region 3500-6700 Åhave been derived by combining new branching fraction measurements withrecently measured lifetimes. The lines combine six upper levels withnumerous low levels having excitation energies of 0-1.5 eV. The datainclude the U II line at 3859 Å, which is used forcosmochronology.

Publishing year

2002

Language

English

Pages

1090-1093

Publication/Series

Astronomy & Astrophysics

Volume

381

Issue

3

Document type

Journal article

Publisher

EDP Sciences

Topic

  • Atom and Molecular Physics and Optics
  • Astronomy, Astrophysics and Cosmology

Keywords

  • ATOMIC DATA
  • STARS: EVOLUTION
  • GALAXY: EVOLUTION

Status

Published

ISBN/ISSN/Other

  • ISSN: 0004-6361