Optics of the instrument Elmer for the GTC 10-m Telescope (Gran Telescopio CANARIAS)

摘要

Elmer is a visible imager and spectrograph for the Gran Telescopio Canarias, which has been designed in-house. The mayor features and some of the analysis done are shown for each optical assembly. The image error budget is presented with the current estimations, as well as the foreseen acceptance tests. Finally the present status of the optics is presented.