Properties of solar magnetic fluxtubes from only two spectral lines

Details Properties of solar magnetic fluxtubes from only two spectral lines Properties of solar magnetic fluxtubes from only two spectral lines

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...188..183s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 188, no. 1, Dec. 1987, p. 183-197.

Astronomy and Astrophysics

Astrophysics

60

Line Spectra, Magnetic Flux, Solar Magnetic Field, Solar Temperature, Stokes Law Of Radiation, Solar Limb, Stellar Models

Scientific paper

A method for the determination of the magnetic field strength, velocity, and temperatures inside solar flux tubes, in addition to their inclinations and filling factors, is presented which requires only the Stokes V and Q profiles of the Fe I 5250.2 A and Fe I 5247.1 A spectral lines. Application of the procedure to spectra of the two lines obtained at various distances from the solar limb shows that considerable velocity broadening is required at all positions on the disk in order to reproduce the polarimeter data. The center to limb variation of the 5250/5247 Stokes V and Q line ratios is found to contain little information on the height variation of the magnetic field in the context of one-dimensional models.

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