Astrophysical: Atmospheric effects

  • Talk
    IAU G5: "Extreme Precision Stellar Spectroscopy"
    The new generation of spectrometers designed for extreme precision radial velocities enable correspondingly precise stellar spectroscopy. It is now fruitful to...
  • Publication
    Image reconstruction with analytical point spread functions
    Context. The image degradation produced by atmospheric turbulence and optical aberrations is usually alleviated using post-facto image reconstruction techniques...
  • Publication
    Improved High-resolution Fast Imager
    The improved High-resolution Fast Imager (HiFI+) is a multiwavelength imaging filtergraph, which was commissioned at the GREGOR solar telescope at Observatorio...
  • Publication
    In situ calibration using satellite data results
    The main goal of this work is the analysis of new approaches in order to study the properties of astronomical sites. The objective is to calibrate the...
  • Publication
    Integral field spectroscopy supports atmospheric optics to reveal the finite outer scale of the turbulence
    Context. The spatial coherence wavefront outer scale (ℒ 0) characterizes the size of the largest turbulence eddies in Earth's atmosphere, determining low...
  • Talk
    Inverse problem approach in adaptive optics for the European-ELT
    The ambitious astrophysical objectives of the Extremely Large Telescopes (ELTs) will be achievable only with innovative Adaptive Optics (AO) systems to correct...
  • Publication
    Laser Guide Star uplink beam: scattering and Raman emission measurements with the 10.4m Gran Telescopio CANARIAS
    Laser Guide Star Adaptive Optics (LGS-AO) is becoming routine in several astronomical observatories. The use of powerful lasers generates sensible Raman...
  • Publication
    Measurements of the Surface Brightness of the Earthshine with Applications to Calibrate Lunar Flashes
    We have used the large database of photometric observations of the bright and dark portions of the face of the Moon from the Earthshine Project at Big Bear...
  • Publication
    MELCHIORS. The Mercator Library of High Resolution Stellar Spectroscopy
    Aims: Over the past decades, libraries of stellar spectra have been used in a large variety of science cases, including as sources of reference spectra for a...