Astrofísicas: Transferencia radiativa

  • Publicación
    The Hanle Effect of Lyα in a Magnetohydrodynamic Model of the Solar Transition Region
    In order to understand the heating of the solar corona it is crucial to obtain empirical information on the magnetic field in its lower boundary (the transition...
  • Publicación
    The Hanle Effect of the Hydrogen Lyα Line for Probing the Magnetism of the Solar Transition Region
    We present some theoretical predictions concerning the amplitude and magnetic sensitivity of the linear-polarization signals produced by scattering processes in...
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    The He I 10 830 Å line: Radiative transfer and differential illumination effects
    We study the formation of the Stokes profiles of the He I multiplet at 10 830 Å when relaxing two of the approximations that are typically considered in the...
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    The hydrodynamics and ionization structure of gaseous nebulae. I. The time-dependent solution
    We present a one-dimensional numerical scheme that allows for the simultaneous solution of the hydrodynamic equations coupled with energy and ionization...
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    The Impact of Angle-dependent Partial Frequency Redistribution on the Scattering Polarization of the Solar Na I D Lines
    The long-standing paradox of the linear polarization signal of the Na I D 1 line was recently resolved by accounting for the atom's hyperfine structure and the...
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    The impact of surface dynamo magnetic fields on the chemical abundance determination
    The solar abundances of Fe and of the CNO elements play an important role in addressing a number of important issues such as the formation, structure, and...
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    The impact of surface dynamo magnetic fields on the solar iron abundance
    Most chemical abundance determinations ignore that the solar photosphere is significantly magnetized by the ubiquitous presence of a small-scale magnetic field...
  • Publicación
    The Influence of Coronal EUV Irradiance on the Emission in the He I 10830 Å and D3 Multiplets
    Two of the most attractive spectral windows for spectropolarimetric investigations of the physical properties of the plasma structures in the solar chromosphere...
  • Publicación
    The Iron Line Formation Problem in Three-dimensional Hydrodynamic Models of Solar-like Photospheres
    This paper presents the results of a detailed theoretical investigation of the iron line formation NLTE problem in a three-dimensional model of the solar...