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Abstract: We examine whether or not it is possible to derive the field strengthdistribution of quiet Sun internetwork regions from very high spatialresolution polarimetric observations in the visible. In particular, we considerthe case of the spectropolarimeter attached to the Solar Optical Telescopeaboard Hinode. Radiative magneto-convection simulations are used to synthesizethe four Stokes profiles of the \ion{Fe}{1} 630.2 nm lines. Once the profilesare degraded to a spatial resolution of 0\farcs32 and added noise, we infer theatmospheric parameters by means of Milne-Eddington inversions. The comparisonof the derived values with the real ones indicates that the visible lines yieldcorrect internetwork field strengths and magnetic fluxes, with uncertaintiessmaller than $\sim$150 G, when a stray light contamination factor is includedin the inversion. Contrary to the results of ground-based observations at1\arcsec, weak fields are retrieved wherever the field is weak in thesimulation.



Autor: D. Orozco Suarez, L.R. Bellot Rubio, J.C. del Toro Iniesta

Fuente: https://arxiv.org/







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