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Proceedings Paper

Wide-field corrector for 4MOST: design details and MAIV processes
Author(s): Nicolas Azais; Samuel C. Barden; Greg Smith; Damien Jones; Bernard Delabre; Sylvain Egron
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Paper Abstract

The 4-meter Multi-Object Spectroscopic Telescope (4MOST) is a wide-field, high-multiplex spectroscopic survey facility under development for the Visible and Infrared Survey Telescope for Astronomy (VISTA) of the European Southern Observatory (ESO). The primary and secondary mirrors (M1 and M2) together with the Wide Field Corrector (WFC) system provide a pupil-centric and aberration corrected focal surface. The WFC is also an integral part of the metrology system. At the focal surface, we meet two wave front sensing (WFS) systems, a deployable camera at commissioning, an acquisition and guiding (A and G) unit and a secondary guiding unit. This paper provides an overview of design details and Manufacture, Assembly, Integration and Verification (MAIV) processes for the 4MOST WFC system.

Paper Details

Date Published: 9 August 2016
PDF: 15 pages
Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 990889 (9 August 2016); doi: 10.1117/12.2232304
Show Author Affiliations
Nicolas Azais, Leibniz-Institut für Astrophysik Potsdam (Germany)
Samuel C. Barden, Leibniz-Institut für Astrophysik Potsdam (Germany)
Greg Smith, Leibniz-Institut für Astrophysik Potsdam (Germany)
Damien Jones, Prime Optics (Australia)
Bernard Delabre, European Southern Observatory (Germany)
Sylvain Egron, Aix Marseille Univ. (France)
ONERA (France)
Space Telescope Science Institute (United States)

Published in SPIE Proceedings Vol. 9908:
Ground-based and Airborne Instrumentation for Astronomy VI
Christopher J. Evans; Luc Simard; Hideki Takami, Editor(s)

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