Measurements of solar magnetic fields by Fourier transform techniques. I - Unsaturated lines

Details Measurements of solar magnetic fields by Fourier transform techniques. I - Unsaturated lines Measurements of solar magnetic fields by Fourier transform techniques. I - Unsaturated lines

Apr 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975soph...41..255t&link_type=abstract

Solar Physics, vol. 41, Apr. 1975, p. 255-269.

Physics

19

Fourier Transformation, Line Shape, Magnetic Measurement, Solar Magnetic Field, Zeeman Effect, Atomic Energy Levels, Circular Polarization, Error Analysis, Noise Reduction, Polarization Characteristics

Scientific paper

If the basic profile shapes of the normal Zeeman triplet do not have zeros in their Fourier transform, the magnetic field splitting can be determined independent of the profile shape. When the ratio of the splitting of the components is greater than the intrinsic FWHM of the component profiles, the magnetic splitting can be determined with significantly greater accuracy than the measurement accuracy of the original profile. For Gaussian shaped components and a ratio of magnetic splitting to FWHM of 1.5, the noise reduction factor is 25.

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