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Proceedings Paper

The compact, low scattered-light 2m Wendelstein Fraunhofer Telescope
Author(s): Ulrich Hopp; Ralf Bender; Frank Grupp; Heinz Barwig; Claus Gössl; Florian Lang-Bardl; Wolfgang Mitsch; Hans Thiele; Peter Aniol; Markus Schmidt; Michael Hartl; Dirk Kampf; Roland Schöggl
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Paper Abstract

Ludwig-Maximilians-Universitat Munchen operates an astrophysical observatory on the summit of Mt. Wendelstein1 which will be equipped with a modern 2m-class, robotic telescope. The plan is to operate one of the most efficient robotic 2m telescopes in Europe in order to offer optimal scientific opportunities for our researchers and maintain highest standards for the education of students. The 2m Fraunhofer telescope in its new 8.5m dome has a modern, very compact alt.-azimuth design. Two Nasmyth ports will harbor a wide-field camera (WWFI2), a medium field multi-channel camera (3kk3), a low resolution IFU spectrograph (VIRUSW4) and a high resolution spectrograph (upgraded FOCES5). All instruments will be simultaneously ready for remote or robotic observations. The telescope is designed as a 3-mirror f/7.8 system and should maintain the excellent (< 0.8" median) seeing of the site1 over a field of view (f.o.v.) of 0.7 deg diameter with a field corrector for the wide field port at optical wavelength. The second port provides a f.o.v. of 60 arcmin2 without any corrector optics. It is optimized for simultaneous optical and NIR imaging as well as field spectroscopy and echelle high resolution spectroscopy over the full optical wavelength regime.6 Here we present the design of the telescope as well as the scope and projected time line of the overall project.

Paper Details

Date Published: 4 August 2010
PDF: 12 pages
Proc. SPIE 7733, Ground-based and Airborne Telescopes III, 773307 (4 August 2010); doi: 10.1117/12.856461
Show Author Affiliations
Ulrich Hopp, Univ.-Sternwarte München (Germany)
Max-Planck-Institut für extraterrestrische Physik (Germany)
Ralf Bender, Univ.-Sternwarte München (Germany)
Max-Planck-Institut für extraterrestrische Physik (Germany)
Frank Grupp, Max-Planck-Institut für extraterrestrische Physik (Germany)
Heinz Barwig, Univ.-Sternwarte München (Germany)
Claus Gössl, Univ.-Sternwarte München (Germany)
Florian Lang-Bardl, Univ.-Sternwarte München (Germany)
Wolfgang Mitsch, Univ.-Sternwarte München (Germany)
Hans Thiele, Kayser-Threde GmbH (Germany)
Peter Aniol, ASTELCO Systems GmbH (Germany)
Markus Schmidt, ASTELCO Systems GmbH (Germany)
Michael Hartl, Kayser-Threde GmbH (Germany)
Dirk Kampf, Kayser-Threde GmbH (Germany)
Roland Schöggl, Kayser-Threde GmbH (Germany)

Published in SPIE Proceedings Vol. 7733:
Ground-based and Airborne Telescopes III
Larry M. Stepp; Roberto Gilmozzi; Helen J. Hall, Editor(s)

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