The magnetic field is the main driver of the activity in the solar upper atmosphere, but its
measurement is notoriously difficult. In order to determine the magnetic field in the …

In this contribution we review the current state-of-the-art of coronal magnetometry, in both
optical and radio domains. We address the achievable objectives and the challenges of …

Abstract The CLASP2 (Chromospheric LAyer Spectro-Polarimeter 2) sounding rocket
mission was launched on 2019 April 11. CLASP2 measured the four Stokes parameters of …

Context. Approximated forms of the R II and R III redistribution matrices are frequently
applied to simplify the numerical solution of the radiative transfer problem for polarized …

We present an efficient and massively parallel solution strategy for the transfer problem of
polarized radiation, for a 3D stationary medium out of local thermodynamic equilibrium …

We take a broad look at the problem of identifying the magnetic solar causes of space
weather. With the lackluster performance of extrapolations based upon magnetic field …

Abstract We present the Tenerife Inversion Code (TIC), which has been developed to infer
the magnetic and plasma properties of the solar chromosphere and transition region via full …

We carry out a theoretical study of the polarization of the solar Mg ii h–k doublet (including
its extended wings) and the subordinate ultraviolet (UV) triplet around 280 nm. These lines …

Context. The correct modeling of the scattering polarization signals observed in several
strong resonance lines requires taking partial frequency redistribution (PRD) phenomena …

Aims. We present the theoretical framework and numerical methods we have implemented
to solve the problem of the generation and transfer of polarized radiation in spectral lines …