Validation of the energy quantities of the MHD AWSOM model in the low corona using EUV tomography

DIEGO G. LLOVERAS; ALBERTO M. VASQUEZ; FEDERICO A. NUEVO; CECILIA MAC CORMACK; NISHTHA SACHDEVA; WARD B. MANCHESTER IV; BARTHOLOMEUS VAN DER HOLST; RICHARD A. FRAZIN; TONG SHI

Pucon

Congreso; XII Latin American Conference on Space Geophysics; 2021

The prediction of space weather conditions requires the advance of three-dimensional (3D) magnetohydrodynamic (MHD) models of the corona and the solar wind. These models involve heating mechanisms to transport energy from the chromosphere to the corona by heating the plasma in it and accelerating the solar wind. The models need to be validated using observational data, such as using rotational solar tomography that allows 3D reconstruction of the thermodynamic variables of the solar atmosphere on a global scale. In this work, we use the Alfvén Wave Solar Model (AWSoM) to simulate the corona and the solar wind. This MHD 3D model uses Alfvén wave dissipation to heat the plasma and accelerate the wind. Using EUV images provided by the SDO / AIA instrument, we carried out the tomographic reconstruction of the density and coronal electron temperature in the range of heliocentric heights r