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Proceedings Paper

CIAO: wavefront sensors for GRAVITY
Author(s): Silvia Scheithauer; Wolfgang Brandner; Casey Deen; Tobias Adler; Henri Bonnet; Pierre Bourget; Fanny Chemla; Yann Clenet; Francoise Delplancke; Monica Ebert; Frank Eisenhauer; Michael Esselborn; Gert Finger; Eric Gendron; Adrian Glauser; Frederic Gonte; Thomas Henning; Stefan Hippler; Armin Huber; Zoltan Hubert; Gerd Jakob; Lieselotte Jochum; Laurent Jocou; Sarah Kendrew; Ralf Klein; Johann Kolb; Martin Kulas; Werner Laun; Rainer Lenzen; Marcus Mellein; Eric Müller; Javier Moreno-Ventas; Udo Neumann; Sylvain Oberti; Jürgen Ott; Laurent Pallanca; Johana Panduro; Jose Ramos; Miguel Riquelme; Ralf-Rainer Rohloff; Gérard Rousset; Nicolas Schuhler; Marcos Suarez; Gerard Zins
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Paper Abstract

GRAVITY is a second generation near-infrared VLTI instrument that will combine the light of the four unit or four auxiliary telescopes of the ESO Paranal observatory in Chile. The major science goals are the observation of objects in close orbit around, or spiraling into the black hole in the Galactic center with unrivaled sensitivity and angular resolution as well as studies of young stellar objects and evolved stars. In order to cancel out the effect of atmospheric turbulence and to be able to see beyond dusty layers, it needs infrared wave-front sensors when operating with the unit telescopes. Therefore GRAVITY consists of the Beam Combiner Instrument (BCI) located in the VLTI laboratory and a wave-front sensor in each unit telescope Coudé room, thus aptly named Coudé Infrared Adaptive Optics (CIAO). This paper describes the CIAO design, assembly, integration and verification at the Paranal observatory.

Paper Details

Date Published: 27 July 2016
PDF: 7 pages
Proc. SPIE 9909, Adaptive Optics Systems V, 99092L (27 July 2016); doi: 10.1117/12.2232997
Show Author Affiliations
Silvia Scheithauer, Max Planck Institute for Astronomy (Germany)
Wolfgang Brandner, Max Planck Institute for Astronomy (Germany)
Casey Deen, Max Planck Institute for Astronomy (Germany)
Tobias Adler, Max Planck Institute for Astronomy (Germany)
Henri Bonnet, European Southern Observatory (Germany)
Pierre Bourget, European Southern Observatory (Chile)
Fanny Chemla, GEPI, Observatoire de Paris, PSL Research Univ., CNRS (France)
Univ. Paris Diderot (France)
Yann Clenet, LESIA, Observatoire de Paris, PSL Research Univ., CNRS (France)
Sorbonne Univ., UPMC, Univ. Paris 06, Univ. Paris Diderot (France)
Francoise Delplancke, European Southern Observatory (Germany)
Monica Ebert, Max Planck Institute for Astronomy (Germany)
Frank Eisenhauer, Max Planck Institute for Extraterrestrial Physics (Germany)
Michael Esselborn, European Southern Observatory (Germany)
Gert Finger, European Southern Observatory (Germany)
Eric Gendron, LESIA, Observatoire de Paris, PSL Research Univ., CNRS (France)
Sorbonne Univ., Univ. Paris 06, Univ. Paris Diderot (France)
Adrian Glauser, ETH Zurich (Switzerland)
Frederic Gonte, European Southern Observatory (Germany)
Thomas Henning, Max Planck Institute for Astronomy (Germany)
Stefan Hippler, Max Planck Institute for Astronomy (Germany)
Armin Huber, Max Planck Institute for Astronomy (Germany)
Zoltan Hubert, LESIA, Observatoire de Paris, PSL Research Univ., CNRS (France)
Sorbonne Univ., Univ. Paris 06, Univ. Paris Diderot (France)
Gerd Jakob, European Southern Observatory (Germany)
Lieselotte Jochum, European Southern Observatory (Germany)
Laurent Jocou, Univ. Grenoble Alpes, IPAG, CNRS (France)
Sarah Kendrew, European Space Agency (United States)
Space Telescope Science Institute (United States)
Ralf Klein, Max Planck Institute for Astronomy (Germany)
Johann Kolb, European Southern Observatory (Germany)
Martin Kulas, Max Planck Institute for Astronomy (Germany)
Werner Laun, Max Planck Institute for Astronomy (Germany)
Rainer Lenzen, Max Planck Institute for Astronomy (Germany)
Marcus Mellein, Max Planck Institute for Astronomy (Germany)
Eric Müller, Max Planck Institute for Astronomy (Germany)
Javier Moreno-Ventas, Max Planck Institute for Astronomy (Germany)
Udo Neumann, Max Planck Institute for Astronomy (Germany)
Sylvain Oberti, European Southern Observatory (Germany)
Jürgen Ott, Redlogix (Germany)
Laurent Pallanca, European Southern Observatory (Chile)
Johana Panduro, Max Planck Institute for Astronomy (Germany)
Jose Ramos, Max Planck Institute for Astronomy (Germany)
Miguel Riquelme, European Southern Observatory (Chile)
Ralf-Rainer Rohloff, Max Planck Institute for Astronomy (Germany)
Gérard Rousset, European Southern Observatory (Chile)
Nicolas Schuhler, European Southern Observatory (Chile)
Marcos Suarez, European Southern Observatory (Germany)
Gerard Zins, European Southern Observatory (Chile)


Published in SPIE Proceedings Vol. 9909:
Adaptive Optics Systems V
Enrico Marchetti; Laird M. Close; Jean-Pierre Véran, Editor(s)

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