Astrophysical: Solar flares

  • Publication
    Catalog of Long-term Transient Sources in the First 10 yr of Fermi-LAT Data
    We present the first Fermi Large Area Telescope (LAT) catalog of long-term γ-ray transient sources (1FLT). This comprises sources that were detected on monthly...
  • Project
    CHromospheric magnetic fields in fLAREs and their evolution CHLARE
    This project aims to study the variations of the solar magnetic field in flares, the most energetic events in our solar system. Flares accelerate charged...
  • Publication
    Circular polarization of the CA II H and K lines in solar quiet and active regions
    A representative set of profiles is presented for the Ca II H resonace line in Stokes V and I, for the quiet sun, plages, sunspot umbrae, and a flare, as well...
  • Publication
    Evidence of a White-Light Flare on 10 September 1886
    We present evidence of the occurrence of a white-light flare on 10 September 1886. It represents the third such rare event reported in the history of astronomy...
  • Talk
    Flares: highly energetic explosions on the Sun
    Flares are among the most energetic magnetic solar phenomena. They are often accompanied by ejections of charged particles, which have a direct influence on the...
  • Publication
    Multidimensional energy transfer by radiation in the solar atmosphere
    Both linear and nonlinear analysis are used to gain a better understanding of the effects of multi-dimensional transfer of energy by radiation in spatially...
  • Publication
    New windows to the universe; Proceedings of the Eleventh IAU European Regional Astronomy Meeting, Universidad de La Laguna, Spain, July 3-8, 1989. Part III
    Topics discussed in this issue include active galaxies and cosmology, interstellar and intergalactic medium, and astronomical instrumentation. Papers are...
  • Talk
    The ESA/NASA mission Solar Orbiter
    Solar Orbiter is the first mission of the ESA Cosmic Vision program and that has recently been approved at implementation level. It is an M class mission with a...
  • Talk
    The Magnetic Nature of Our Sun
    This talk will give an overview of our understanding of the Sun in the 1960's, the major discoveries since then, and the main questions that need to be answered...