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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents

ID: 693698.0, MPI für Astronomie / Publikationen_mpia
LINC-NIRVANA for the large binocular telescope: setting up the world's largest near infrared binoculars for astronomy
Authors:Hofferbert, Ralph; Baumeister, Harald; Bertram, Thomas; Berwein, Jürgen; Bizenberger, Peter; Böhm, Armin; Böhm, Michael; Borelli, José Luis; Brangier, Matthieu; Briegel, Florian; Conrad, Albert; De Bonis, Fulvio; Follert, Roman; Herbst, Tom; Huber, Armin; Kittmann, Frank; Kürster, Martin; Laun, Werner; Mall, Ulrich; Meschke, Daniel; Mohr, Lars; Naranjo, Vianak; Pavlov, Aleksei; Pott, Jörg-Uwe; Rix, Hans-Walter; Rohloff, Ralf-Rainer; Schinnerer, Eva; Storz, Clemens; Trowitzsch, Jan; Yan, Zhaojun; Zhang, Xianyu; Eckart, Andreas; Horrobin, Matthew; Rost, Steffen; Straubmeier, Christian; Wank, Imke; Zuther, Jens; Beckmann, Udo; Connot, Claus; Heininger, Matthias; Hofmann, Karl-Heinz; Kröner, Tim; Nussbaum, Eddy; Schertl, Dieter; Weigelt, Gerd; Bergomi, Maria; Brunelli, Alessandro; Dima, Marco; Farinato, Jacopo; Magrin, Demetrio; Marafatto, Luca; Ragazzoni, Roberto; Viotto, Valentina; Arcidiacono, Carmelo; Bregoli, Giovanni; Ciliegi, Paolo; Cosentino, Guiseppe; Diolaiti, Emiliano; Foppiani, Italo; Lombini, Matteo; Schreiber, Laura; D'Alessio, Francesco; Li Causi, Gianluca; Lorenzetti, Dario; Vitali, Fabrizio; Bertero, Mario; Boccacci, Patrizia; La Camera, Andrea
Date of Publication (YYYY-MM-DD):2013
Title of Journal:Optical Engineering
Start Page:id. 081602
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:LINC-NIRVANA (LN) is the near-infrared, Fizeau-type imaging interferometer for the large binocular telescope (LBT) on Mt. Graham, Arizona (elevation of 3267 m). The instrument is currently being built by a consortium of German and Italian institutes under the leadership of the Max Planck Institute for Astronomy in Heidelberg, Germany. It will combine the radiation from both 8.4 m primary mirrors of LBT in such a way that the sensitivity of a 11.9 m telescope and the spatial resolution of a 22.8 m telescope will be obtained within a 10.5×10.5 arcsec scientific field of view. Interferometric fringes of the combined beams are tracked in an oval field with diameters of 1 and 1.5 arcmin. In addition, both incoming beams are individually corrected by LN's multiconjugate adaptive optics system to reduce atmospheric image distortion over a circular field of up to 6 arcmin in diameter. A comprehensive technical overview of the instrument is presented, comprising the detailed design of LN's four major systems for interferometric imaging and fringe tracking, both in the near infrared range of 1 to 2.4 μm, as well as atmospheric turbulence correction at two altitudes, both in the visible range of 0.6 to 0.9 μm. The resulting performance capabilities and a short outlook of some of the major science goals will be presented. In addition, the roadmap for the related assembly, integration, and verification process are discussed. To avoid late interface-related risks, strategies for early hardware as well as software interactions with the telescope have been elaborated. The goal is to ship LN to the LBT in 2014.
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:ISSN:0091-3286 [ID No:1]
URL:http://cdsads.u-strasbg.fr/abs/2013OptEn..52h1602H [ID No:2]
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