Astrofísicas: Efectos atmosféricos

  • Publicación
    Optical linear polarization in ultra cool dwarfs. A tool to probe dust in the ultra cool dwarf atmospheres
    Aims. Recent studies have detected linear polarization in L dwarfs in the optical I band. Theoretical models have been developed to explain this polarization...
  • Publicación
    Optimization with numerical simulations of the conjugate altitudes of deformable mirrors in an MCAO system
    This article reports on the results of simulations conducted to assess the performance of a modal Multi-Conjugate Adaptive Optics (MCAO) system on a 10 m...
  • Publicación
    Phasing of segmented mirrors: a new algorithm for piston detection
    The point spread function of a segmented-mirror telescope is severely affected by segment misalignment, which can nullify the performance of adaptive optics...
  • Charla
    Precipitable water vapour at the Roque de los Muchachos Observatory from GPS measurements
    There are many parameters accounting for the quality of an astronomical site, namely seeing, cloud cover, ground winds, high-altitude winds, etc. The water...
  • Publicación
    Precipitable water vapour forecasting: a tool for optimizing IR observations at Roque de los Muchachos Observatory
    We validate the Weather Research and Forecasting (WRF) model for precipitable water vapour (PWV) forecasting as a fully operational tool for optimizing...
  • Charla
    Precipitable Water Vapour measurements and forecasting at the Observatories.
    The precipitable water vapour (PWV) is the main absorber in the Earth's atmosphere at infrared (IR) and microwave wavelengths. In the last years, the IAC Sky...
  • Publicación
    Recalibrated generalized SCIDAR measurements at Cerro Paranal (the site of the Very Large Telescope)
    Generalized SCIDAR (GS) measurements, which were taken at the Paranal Observatory in 2007 November/December in the context of a site qualification for the...
  • Publicación
    Recent results at the Canarian Observatories
    During the last years a mayor effort has been carried out both, in defining key parameters to quantify the quality of a site for astronomical observations, and...
  • Publicación
    Reconstructing the Photometric Light Curves of Earth as a Planet along Its History
    By utilizing satellite-based estimations of the distribution of clouds, we have studied Earth's large-scale cloudiness behavior according to latitude and...