Spectropolarimetric investigations of the magnetization of the quiet Sun chromosphere

Abstract

This paper reviews some recent advances in the development and application of polarized radiation diagnostics to infer the mean magnetization of the quiet solar atmosphere, from the near equilibrium photosphere to the highly non-equilibrium upper chromosphere. In particular, I show that interpretations of the scattering polarization observed in some spectral lines suggest that while the magnetization of the photosphere and upper chromosphere is very significant, the lower chromosphere seems to be weakly magnetized.

To appear in Proceedings 25th NSO Workshop on Chromospheric Structure and Dynamics; editors A. Tritschler, K. Reardon, H. Uitenbroek, Mem. Soc. Astr. Ital

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