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Proceedings Article

The SPHERE exoplanet imager: status report at PDR

[+] Author Affiliations
Francois Wildi, Stéphane Udry

Observatoire de Genève (Switzerland)

Jean-Luc Beuzit, David Mouillet, Pascal Puget, Julien Charton, Philippe Feautrier, Patrick Rabou, Eric Stadler, Anne-Marie Lagrange

Lab. d'Astrophysique de Grenoble (France)

Markus Feldt, Rainer Lenzen, Alexey Pavlov, Thomas Henning

Max Planck Institut für Astronomie (Germany)

Kjetil Dohlen, Maud Langlois, Claire Moutou, Michel Saisse

Lab. d'Astrophysique de Marseille (France)

Andrea Baruffolo, Jacopo Antichi, Riccardo Claudi, Raffaele Gratton, Massimo Turatto

Osservatorio Astronomico di Padova (Italy)

Pierre Baudoz, Anthony Boccaletti

Lab. d'Etudes Spatiales et d'Instrumentation en Astrophysique (France)

Marcel Carbillet, Farrokh Vakili

Lab. Univ. d'Astrophysique de Nice (France)

Enrico Fedrigo, Norbert Hubin, Markus Kasper

European Southern Observatory (Germany)

Thierry Fusco, Cyril Petit

Office National d'Etudes et de Recherches Aérospatiales (France)

Johan Pragt, Ronald Roelfsema

Astron (Netherlands)

Hans-Martin Schmid, Christian Thalmann

ETH Zurich (Switzerland)

Rens Waters

Univ. van Amsterdam (Netherlands)

Proc. SPIE 6691, Astronomical Adaptive Optics Systems and Applications III, 66910L (September 18, 2007); doi:10.1117/12.734785
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From Conference Volume 6691

  • Astronomical Adaptive Optics Systems and Applications III
  • Robert K. Tyson; Michael Lloyd-Hart
  • San Diego, CA | August 26, 2007

abstract

The SPHERE is an exo-solar planet imager, which goal is to detect giant exo-solar planets in the vicinity of bright stars and to characterize them through spectroscopic and polarimetric observations. It is a complete system with a core made of an extreme-Adaptive Optics (AO) turbulence correction, pupil tracker and interferential coronagraphs. At its back end, an Infra-Red Dual-beam Imaging and Spectroscopy science module and an integral field spectrograph work in the Near Infrared (NIR) Y, J, H and Ks bands (0.95 - 2.32μm) and a high resolution polarization camera covers the visible (0.6 - 0.9 μm) region. We describe briefly the science goals of the instrument and deduce the top-level requirements. This paper presents the system architecture, and reviews each of the main sub-systems. The results of the latest end-to-end simulations are shown and an update of the expected performance is given. The project has been officially kicked-off in March 2006, it is presently undergoing Preliminary Design Review and is scheduled for 1st light in early 2011. This paper reviews the present design of SPHERE but focuses on the changes implemented since this project was presented the last time to this audience.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Francois Wildi ; Jean-Luc Beuzit ; Markus Feldt ; David Mouillet ; Kjetil Dohlen, et al.
"The SPHERE exoplanet imager: status report at PDR", Proc. SPIE 6691, Astronomical Adaptive Optics Systems and Applications III, 66910L (September 18, 2007); doi:10.1117/12.734785; http://dx.doi.org/10.1117/12.734785


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