Publication type: Non-refereed

  • 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...
  • Publication
    OSIRIS Detectors
    OSIRIS (Optical System for Imaging and Low-Resolution Integrated Spectroscopy) is an instrument designed to obtain images and low-resolution spectra of...
  • Publication
    OSIRIS Hα imaging of the NGC 2770 supernova factory and its satellite NGC 2770B
    In the last 12 years NGC 2770 hosted 2 standard supernovae (SNe) and one X-ray transient event (SN2008D) similar to a Gamma-Ray Burst (GRB). Given the close (27...
  • Publication
    OSIRIS Imaging and Spectroscopy for the GTC
    The characteristics of OSIRIS (Optical System for Imaging and low-Resolution Integrated Spectroscopy), an instrument for imaging and low resolution spectroscopy...
  • Publication
    OSIRIS Large Guaranteed Time Programs
    The status of OTELO and Lockman SpReSO surveys, the two large guaranteed time programs currently under way using OSIRIS at the 10.4m GTC is presented. The OTELO...