Astrophysical: The Sun

  • Publication
    Calibrating HMI Magnetograms Using an End-to-end Magnetograph Model
    Numerous solar and space science and operations projects rely heavily on accurate, consistent magnetic field measurements from the solar surface. These projects...
  • Publication
    Chemical composition of the solar surface
    The Sun provides a standard reference against which we compare the chemical abundances found anywhere else in the Universe. Nevertheless, there is not a unique...
  • 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
    Fast-to-Alfvén Mode Conversion and Ambipolar Heating in Structured Media. II. Numerical Simulation
    This paper studies the effectiveness of production of Alfvén waves in the solar atmosphere through the processes of mode conversion, taking into account several...
  • Publication
    How to determine the quality of solar granulation images: The optimal window method
    An optimal window for image analysis is determined by means of information theory. The size of the window is then used as a good estimator of image quality. The...
  • Publication
    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...
  • Publication
    Recent advancements in the EST project
    The European Solar Telescope (EST) is a project of a new-generation solar telescope. It has a large aperture of 4 m, which is necessary for achieving high...
  • News
    Researchers have observed the heating produced in the Sun by magnetic waves
    An international team in which researchers from the Instituto de Astrofísica de Canarias (IAC) and the Universidad de La Laguna (ULL) are participating...
  • News
    The IAC organises the CLASP2.1 space mission scientific meeting
    From 18 to 20 October, scientists from the USA, Japan and Europe meet at the Instituto de Astrofísica de Canarias (IAC) to discuss the results of the third...