Astrofísicas: Transferencia radiativa

  • Publicación
    Linearization versus Preconditioning: Which Approach Is Best for Solving Multilevel Transfer Problems?
    We present a critical analysis of linearization and preconditioning, the two most used approaches proposed for achieving the required linearity in the iterative...
  • Publicación
    Long Characteristics versus Short Characteristics in 3D Radiative Transfer Simulations of Polarized Radiation
    We compare maps of scattering polarization signals obtained from three-dimensional (3D) radiation transfer calculations in a magnetoconvection model of the...
  • Publicación
    Magnetic field diagnostics of prominences with the Mg II k line 3D Stokes inversions versus traditional methods
    The Mg II k resonance line is commonly used for diagnosing the solar chromosphere. We theoretically investigated its intensity and polarization in solar...
  • Publicación
    Magnetic field measurements
    Techniques involved in measurements of solar magnetic field are based on the observation and interpretation of the polarization signal in suitable Fraunhofer...
  • Publicación
    Magnetic flux emergence in granular convection: radiative MHD simulations and observational signatures
    Aims:We study the emergence of magnetic flux from the near-surface layers of the solar convection zone into the photosphere. Methods: To model magnetic flux...
  • Publicación
    Magnetic flux emergence into the solar photosphere and chromosphere
    Aims: We model the emergence of magnetized plasma across granular convection cells and the low atmosphere, including layers up to the mid-chromosphere. Methods...
  • Publicación
    Magnetic Sensitivity in the Wing Scattering Polarization Signals of the Hydrogen Lyman-α Line of the Solar Disk Radiation
    The linear polarization produced by scattering processes in the hydrogen Lyα line of the solar disk radiation is a key observable for probing the chromosphere...
  • Publicación
    Magneto-optical Effects in the Scattering Polarization Wings of the Ca I 4227 Å Resonance Line
    The linear polarization pattern produced by scattering processes in the Ca I 4227 Å resonance line is a valuable observable for probing the solar atmosphere...
  • Charla
    Mapping the Sun's upper photosphere with artificial neural networks
    In this talk I'll present results from a recent paper in which we have developed a new analysis technique for solar spectra based on artificial neural networks...