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Spectral lines for polarization measurements of the coronal magnetic field. III. Atomic data for SiIX

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Author

Summary, in English

We report on large-scale ab initio multiconfiguration Dirac-Fock (MCDF) calculations for spectral lines of Si IX, with emphasis on the forbidden transitions 2p(2) P-3(J-->J'). The J = 0 --> J' = 1 transition at 3.9346 mu m holds promise as a diagnostic of coronal magnetic fields if and when future coronagraphic instruments can measure the polarized light at this wavelength.

Publishing year

2000

Language

English

Pages

1114-1118

Publication/Series

Astrophysical Journal

Volume

540

Issue

2

Document type

Journal article

Publisher

American Astronomical Society

Topic

  • Physical Sciences

Keywords

  • line : identification
  • polarization
  • Sun : atmosphere
  • Sun : corona
  • Sun
  • : magnetic fields

Status

Published

ISBN/ISSN/Other

  • ISSN: 0004-637X