Publication type: Non-refereed

  • Publication
    Accurate Mapping of the Torsional Oscillations: a Trade-Off Study between Time Resolution and Mode Characterization Precision
    One salient result of global helioseismology is the mapping of the so-called torsional oscillations below the solar surface. These subsurface flows are inferred...
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    Accurate masses and radii as test data for stellar models: status and progress on the Copenhagen project
    Not Available
  • Publication
    Accurate number densities and environment for compact and relic massive galaxies
    The quest to find relic galaxies is ongoing, i.e. galaxies that seem to remain untouched from the primeval Universe. These galaxies are usually massive (> 8×10^...
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    Accurate wavelengths in the Sun spectrum (Allende Prieto+ 1998)
    Central line wavelengths in the spectrum of the Sun observed at the centre of the disc, and in the flux spectrum, line identification and solar log(gf). (1 data...
  • Publication
    Achieving a few cm/sec calibration repeatability for high resolution spectrographs: the laser frequency comb on HARPS
    The laser frequency comb, with its extreme precision, opens a new window for high precision spectroscopy for current facilities, as well as for the ELT's. We...
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    ACO 1825 and AC 114 EROs photometry (Hempel+, 2008)
    New z-band (F850LP, denoted z850 hereafter) imaging was obtained with the ACS camera onboard HST in November 2004 (AC114) and July 2005 (Abell 1835). The 3.6, 4...
  • Publication
    Acoustic Oscillations in Main-Sequence Stars: HD155543
    High-speed photometric techniques have been found useful as a way to study the acoustic mode signature in low main sequence stars. In this work, the discovery...
  • Publication
    Acoustic oscillations in the K2 III star Arcturus
    Simultaneous spectrometric and photometric observations have been performed on the red giant star Arcturus, in a search for radial velocity or luminosity...
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    Acquisition cameras and wavefront sensors for the GTC 10-m telescope
    The GTC Acquisition Cameras and Wavefront Sensors are based on a modular design with remote, low-profile and lightweight CCD heads and a compact CCD controller...