Astrofísicas: Heliosismología

  • Charla
    The wounded Sun
    The Sun is a magnetic star, not as magnetic as some stars, or as it was when itwas younger, but nonetheless magnetic fields dominate and even construct...
  • Publicación
    Theoretical Modeling of Propagation of Magnetoacoustic Waves in Magnetic Regions Below Sunspots
    We use two-dimensional numerical simulations and eikonal approximation to study properties of magnetohydrodynamic (MHD) waves traveling below the solar surface...
  • Publicación
    Tracing p-mode Waves from the Photosphere to the Corona in Active Regions
    Atmosphere above sunspots is abundant with different types of waves. Among these waves are running penumbral waves in the chromosphere, quasi-periodic...
  • Publicación
    Tracing the ``Acoustic'' Solar Cycle: A Direct Comparison of BiSON and GOLF Low-l p-Mode Variations
    We present a detailed, comparative study of low angular degree solar p-mode variations extracted by analyses of two sets of observational data. These were...
  • Noticia
    Una estrella masiva pulsante facilita claves para calibrar los modelos de evolución estelar
    Una colaboración internacional, en la que participa el Instituto de Astrofísica de Canarias (IAC), consigue determinar con un nivel de precisión sin precedentes...
  • Publicación
    Update on g-mode research
    Since the beginning of this century we have attended a blooming of the gravity-mode research thanks to the unprecedented quality of the data available, either...
  • Publicación
    Variations of the solar granulation motions with height using the GOLF/SoHO experiment
    Context: Below 1 mHz, the power spectrum of helioseismic velocity measurements is dominated by the spectrum of convective motions (granulation and...
  • Publicación
    VIRGO: Experiment for Helioseismology and Solar Irradiance Monitoring
    The scientific objective of the VIRGO experiment (Variability of solar IRradiance and Gravity Oscillations) is to determine the characteristics of pressure and...
  • Publicación
    VIRGO: The solar monitor experiment on SOHO
    The VIRGO Experiment (Variability of solar IRradiance and Gravity Oscillations) contains two types of active cavity radiometers for monitoring of the solar...