17 September 2012 First tests of the compact low scattered-light 2m-Wendelstein Fraunhofer Telescope
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The integration of the 2m Fraunhofer telescope started in August 2011 at the Mt. Wendelstein observatory. The logistics of the project are a key problem of the integration as the observatory has no road access. All large or heavy components inlcuding the primary mirror were successfully delivered by helicopter. Meanwhile, they are integrated in the telescope. The special design features of this alt-az telescope are its compactness and the low-ghost wide field optics (0.7 deg. f.o.v. diameter). We will briefly report on tests of the building and of the telescope system before the telescope moved to the mountain. The integration at the observatory and the first astronomical performances tests of the telescopes are discussed, and a brief update on the status of its instruments is presented. We comment on the cleaning and recoating strategy for the primary mirror based on sample tests.
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Ulrich Hopp, Ulrich Hopp, Ralf Bender, Ralf Bender, Frank Grupp, Frank Grupp, Hans Thiele, Hans Thiele, Nancy Ageorges, Nancy Ageorges, Peter Aniol, Peter Aniol, Heinz Barwig, Heinz Barwig, Claus Gössl, Claus Gössl, Florian Lang-Bardl, Florian Lang-Bardl, Wolfgang Mitsch, Wolfgang Mitsch, Michael Ruder, Michael Ruder, } "First tests of the compact low scattered-light 2m-Wendelstein Fraunhofer Telescope", Proc. SPIE 8444, Ground-based and Airborne Telescopes IV, 84442V (17 September 2012); doi: 10.1117/12.926427; https://doi.org/10.1117/12.926427


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