Publication type: Non-refereed

  • Publication
    Frequency shift of solar p-modes as seen by cross correlation analysis
    Data obtained at the Observatorio del Teide (Tenerife) during the years 1978 to 1988 using a resonant scattering spectrophotometer, is analyzed to look for...
  • Publication
    Frequency Shifts of the Individual Low-Degree P-Modes during Solar Cycle 23 and its Extended Minimum
    We study the response of the low-degree solar p-mode frequencies to the unusual extension of the minimum of solar surface activity since 2007. Helioseismic...
  • Publication
    Frequency Stability in GOLF Data, 1996-97
    The solar activity, following an eleven years cycle, modifies the physical properties of the resonant cavity where the oscillation acoustic modes are trapped...
  • Publication
    FRIDA, the diffraction limited NIR imager and IFS for the Gran Telescopio Canarias: status report
    FRIDA is a diffraction limited imager and integral field spectrometer that is being built for the Gran Telescopio Canarias. FRIDA has been designed and is being...
  • Publication
    FRIDA, the diffraction limited NIR imager and IFS for the GTC
    FRIDA (InFRared Imager and Dissector for the Adaptive optics system of GTC) is a near infrared, diffraction limited imager and integral field spectrograph that...
  • Publication
    FRIDA: Diffraction limited imaging and integral field spectroscopy with GTC
    FRIDA (inFRrared Imager and Dissector for the Adaptive optics system of the Gran Telescopio Canarias) is being designed as a diffraction limited instrument with...
  • Publication
    FRIDA: diffraction-limited imaging and integral-field spectroscopy for the GTC
    FRIDA is a diffraction-limited imager and integral-field spectrograph for the adaptive-optics focus of the Gran Telescopio Canarias. In imaging mode FRIDA...
  • Publication
    FRIDA: diffraction-limited imaging and integral-field spectroscopy for the GTC
    FRIDA is a diffraction-limited imager and integral-field spectrometer that is being built for the adaptive-optics focus of the Gran Telescopio Canarias. In...
  • Publication
    FRIDA: diffraction-limited imaging and integral-field spectroscopy for the GTC
    FRIDA is a diffraction-limited imager and integral-field spectrograph for the adaptive-optics focus of the Gran Telescopio Canarias. In imaging mode FRIDA...