Diva { towards Microarcsecond Global Astrometry

Abstract

DIVA (Deutsches Interferometer f ur Vielkanalpho-tometrie und Astrometrie) is a small satellite designed to perform astrometric and photometric observations of at least one million stars. The instrument simultaneously observes two celestial elds of 0.5 degrees diameter each, separated by at least 60 degrees. The optical connguration consists of two Fizeau… (More)

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