Astrofísicas: Actividad solar

  • Publicación
    The role of activity complexes in the distribution of solar magnetic fields.
    Using published data on the large-scale distribution of solar activity, the authors conclude that the longlived coronal holes are formed and maintained by the...
  • Charla
    The stochastic, intermittent nature of quiet Sun magnetism
    The quiet Sun (the 99%, or more, of the solar surface not covered by sunspots or active regions) is receiving increased attention in recent years; its role on...
  • Charla
    Turbulence and Particle Acceleration in Solar Flares
    A solar flare involves the conversion of magnetic energy stored in the coronal magnetic field into the kinetic energy of thermal and non-thermal particles, mass...
  • Publicación
    Umbral dots - A case of penetrative convection between sunspot fragments
    A study of the observations made on the development and, in some cases, even the decay of 15 large active regions is presented. It is shown that the mature...
  • Noticia
    VALENTÍN MARTÍNEZ PILLET: "Los telescopios DKIST y EST contribuirán a predecir las tormentas magnéticas solares"
    Durante su última visita al Instituto de Astrofísica de Canarias (IAC), hablamos con el director del Observatorio Solar Nacional de Estados Unidos (NSO) sobre...
  • Publicación
    Variation of the frequencies of very low L p-modes
    Radial velocity observations performed using a resonant scattering instrument from 1980 to 1993 at the Observatorio del Teide have been used to calculate the...
  • Publicación
    Velocity signal produced by the passage of active regions compared with observations
    A calibrated numerical simulation of seasons for which there are observations of the passage of active regions across the visible disk of the sun, generating a...
  • Charla
    What makes the solar chromosphere so interesting?
    Magnetic fields break through the solar surface in a hierarchy of magnetic elements ranging from Earth-sized sunspots down to tiny concentrations that are...