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Additional recommended knowledge
In astrophysics, Zeeman-Doppler Imaging is a tomographic technique dedicated to the cartography of stellar magnetic fields.
This method makes use of the ability of magnetic fields at polarizing the light emitted (or absorbed) in spectral lines formed in the stellar atmosphere (the Zeeman effect). The periodic modulation of Zeeman signatures during the stellar rotation is employed to make an iterative reconstruction of the vectorial magnetic field at stellar surface. This techniques is based on the principle of maximum entropy image reconstruction; it yields the simplest magnetic field geometry (as a spherical harmonics expansion) among the various solutions compatible with the data.
References and links
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Zeeman-Doppler_imaging". A list of authors is available in Wikipedia.|