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    Université de Fribourg

    Perturbations to astronomical observations at the European Southern Observatory's very large telescope site in Paranal, Chile: analyses of climatological causes

    Beniston, Martin ; Casals, Paula ; Sarazin, Marc S.

    In: Theoretical and Applied Climatology, 2002, vol. 73(3-4), p. 133-150

    A study has been conducted to assess the reasons for a significant decrease in the astronomic observing period since the Very Large Telescope of ESO (the European Southern Observatory) went into operation in 1998. Following a multi-year monitoring of meteorological parameters at the site of the ESO telescope in Paranal (northern Chile), the optimal climatic conditions observed there prior to the...