The compact, low scattered-light 2m Wendelstein Fraunhofer Telescope

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

doi:10.1117/12.856461

4 August 2010 The compact, low scattered-light 2m Wendelstein Fraunhofer Telescope

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

Author Affiliations +

Proceedings Volume 7733, Ground-based and Airborne Telescopes III; 773307 (2010) https://doi.org/10.1117/12.856461
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

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.

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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, and Roland Schöggl "The compact, low scattered-light 2m Wendelstein Fraunhofer Telescope", Proc. SPIE 7733, Ground-based and Airborne Telescopes III, 773307 (4 August 2010); https://doi.org/10.1117/12.856461

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