Astrophysical: Helioseismology

  • Publication
    First evidence of interaction between longitudinal and transverse waves in solar magnetic elements
    Small-scale magnetic fields are thought to play an important role in the heating of the outer solar atmosphere. By taking advantage of the unprecedented high...
  • Publication
    Four years of HELAS
    The European Coordination Action on HELio- and ASteroseismology (HELAS) has completed its fourth and final year of initial funding by the European Commission...
  • Publication
    Frequencies and splittings of low-degree acoustic modes: a comparison between MDI and GOLF observations.
    Not Available
  • Publication
    Full-disk helioseismic IRIS raw data calibration
    The International Research on the Interior of the Sun (IRIS) helioseismometer measures the full disk line of sight velocity of the Sun. In fact, it makes a...
  • Publication
    g-mode: a new generation of helioseismic instrument
    The GOLF team pushes a new concept of instrument devoted to the search of gravity modes and low order low frequency p modes in order to improve our knowledge of...
  • Publication
    Global Oscillations at Low Frequency from the SOHO Mission (GOLF)
    The GOLF experiment on the SOHO mission aims to study the internal structure of the sun by measuring the spectrum of global oscillations in the frequency range...
  • Installation
    Global Oscillations Network Group
    The Global Oscillation Network Group, or GONG Network is a worldwide network of six identical telescopes, designed to have 24/7 observations of the Sun. The...
  • Publication
    Global solar Doppler velocity determination with the GOLF/SoHO instrument
    The Global Oscillation at Low Frequencies (GOLF) experiment is a resonant scattering spectrophotometer on board the Solar and Heliospheric Observatory (SoHO)...
  • Publication
    Green's Functions for Far-Side Seismic Images: A Polar-Expansion Approach
    We have computed seismic images of magnetic activity on the far surface of the Sun by using a seismic-holography technique. As in previous works, the method is...