We report tests of inversion methods applied to complex Stokes spectra generated by realistic MHD simulations. The average magnetic field strength of the simulations used is of 30 and 140 G, which we believe is representative of quiet solar regions. The behaviour of the Fe I at 1.56 mu m and 630 nm lines is analyzed. The tests have been done with

We investigate the validity of the Stokes V amplitude ratio as an indicator of the magnetic field strength in solar inter-network regions with the help ofMHD simulations. We show that the Stokes V amplitude ratio of the Fe I 15652-15648 Å lines and Fe I 5247-5250 Å lines show a good correlation with the magnetic field strength even for magnetic

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Inversion techniques are presently the most powerful tools to deduce magnetic, dynamic, and thermal properties of the solar plasma from polarization line profiles. The reliability and robustness of Stokes inversions have been confirmed many times by means of numerical tests. Part of the solar physics community, however, is still worried about the

Evidences suggesting that bulges of non-barred disk galaxies could be triaxial structures come from different aspects. From the photometry, the twist of the inner isophotes and the misaligment between the disk and the bulge major axis position angle are not possible under the hypothesis of symmetry for both components. From the kinematics, rotation