Astrofísicas: Efectos atmosféricos

  • Publicación
    Natural Night Sky Brightness during Solar Minimum
    In 2018, Solar Cycle 24 entered into a solar minimum phase. During this period, 11 million zenithal night sky brightness (NSB) data were collected at different...
  • Publicación
    Night-time image quality at Roque de LOS Muchachos Observatory
    Nine months' seeing statistics at the Observatorio del Roque de los Muchachos (ORM) are presented. Measurements were taken with a differential image motion...
  • Publicación
    Night-time seeing and atmospheric behaviour in the Canary Islands observatories
    The effects of atmospheric turbulence on astronomical observations from the Observatorio del Teide (Tenerife) and the Observatorio Roque de los Muchachos (La...
  • 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...