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Poster De Conférence Année : 2011

Magnetic Field Structures in a Facular Region Derived from THEMIS and Hinode Vector Magnetic Field

Résumé

In order to compare vector magnetic fields obtained by two spectral polarimeters (THEMIS/MTR and Hinode SOT/SP) and two inversion codes (UNNOFIT and MELANIE), we observed a facular region in the active region NOAA 10996 on 2008 May 23. We found that they give consistent results concerning the distributions of field strengths, azimuth and inclination angles. SOT/SP could resolve small magnetic polarities with sizes of 1'' to 2'', and detect convergence and divergence of the horizontal components of magnetic fields in the facular cells. These findings support the models suggesting the existence of flux tube bundles in faculae. With this model and multi spectral line observations, we could infer the relative formation heights of those spectral lines.
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hal-02382601 , version 1 (27-11-2019)

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Y. Guo, B. Schmieder, V. Bommier, P. Mein. Magnetic Field Structures in a Facular Region Derived from THEMIS and Hinode Vector Magnetic Field. Leon Golub, Ineke De Moortel and Toshifumi Shimizu. The Fifth Hinode Science Meeting, Oct 2011, Cambridge (Massachusets), United States. 456, pp.55, ASP Conference Series. ⟨hal-02382601⟩
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