Publication type: Non-refereed

  • Publication
    OSCA, an Optimized Stellar Coronagraph for Adaptive optics: Description and first light
    We describe a coronagraph facility built for use with the 4.2 metre William Herschel Telescope (WHT) and its adaptive optics system (NAOMI). The use of the...
  • Publication
    Oscillation Modes in Axially Symmetric Stars
    Not Available
  • Publication
    Oscillations and Wave Propagation in Different Solar Magnetic Features
    We present the results of the analysis of temporal series of spectro-polarimetric data measured simultaneously in the photospheric Si I 10827 Å line and the...
  • Publication
    Oscillations in a complex umbra.
    Not Available
  • Publication
    Oscillations in a sunspot umbra from the inversion of infrared Stokes profiles
    We report on the detection of magnetic field strength and velocity oscillations in the photosphere of a sunspot umbra. Our analysis is based on the inversion of...
  • Publication
    Oscillatory behaviour in sunspot umbrae
    A set of series of spectra of high spectral resolution corresponding to the same umbra on several days, is used to study the oscillations related to evolution...
  • Publication
    Osiris at GTC
    The hardware of the OSIRIS instrument is nearly complete. The instrument commissioning will continue with the validation of the remaining observing modes that...
  • Publication
    OSIRIS camera barrel optomechanical design
    A Camera Barrel, located in the OSIRIS imager/spectrograph for the Gran Telescopio Canarias (GTC), is described in this article. The barrel design has been...
  • Publication
    OSIRIS deep Imaging of Cygnus OB2: the stellar population of the Cygnus X central engine
    The young massive cluster Cyg OB2 is the closest massive star forming region to the Sun, with hundreds of OB members, and then the best target in the Milky Way...