Astrofísicas: Transferencia radiativa

  • 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...
  • Noticia
    MATS CARLSSON: “En Astrofísica, no podemos realizar experimentos y solo podemos extraer información que porta la luz”
    Mats Carlsson, catedrático del Instituto de Astrofísica Teórica de la Universidad de Oslo (Noruega) y director del centro de excelencia "Rosseland Center for...
  • Publicación
    Milne-Eddington inversion of the Fe I line pair at 630 nm
    Context. The iron lines at 630.15 and 630.25 nm are often used to determine the physical conditions of the solar photosphere. A common approach is to invert...
  • Publicación
    Model Photospheres for Late-Type Stars from the Inversion of High-Resolution Spectroscopic Observations: Groombridge 1830 and ɛ Eridani
    An inversion technique to recover LTE one-dimensional model photospheres for late-type stars, which was previously applied to the Sun by Allende Prieto et al...