Authors: Asante, I.K.(Georgia State University), Sadykov V.M. (Georgia State University)

In this study, we compare the SDO/HMI line-of-sight observables (magnetic field, velocity, continuum intensity, and line depth) with the related physical properties for dynamo simulations performed using the “StellarBox” 3D Radiative MHD code. The modeling of the Fe I 6173 Å Stokes profiles is performed using the SPINOR radiative transfer code in the LTE approximation. The reproduced SDO/HMI line-of-sight pipeline is applied to the modeled spectra, and the observables are synthesized with high (numerical) and SDO/HMI (instrumental) resolutions. Correlations between the observables and the physical properties at various heights in the atmosphere are studied for a set of view angles with respect to the solar disk center. We also investigate the effect of the SDO spacecraft radial velocities on the observables. We find that all observables experience the effects of the radial velocities. The amplitude of changes of the SDO/HMI continuum intensity observable does not exceed 0.2%, whereas the line depth observable demonstrates changes of the order of 1%. Lastly, we discuss the validation of the velocity correction procedure for SDO/HMI based on the modeling data.