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

• 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.

Subject headings

NATURVETENSKAP  -- Fysik (hsv//swe)

NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Keyword

line : identification

polarization

Sun : atmosphere

Sun : corona

Sun

: magnetic fields

Publication and Content Type

art (subject category)

ref (subject category)