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Proceedings Article

SPHERE: A planet finder instrument for the VLT

[+] Author Affiliations
Kjetil Dohlen, Christophe Fabron, Jean-Luc Gach, Maud Langlois, Claire Moutou, Michel Saisse

Lab. d'Astrophysique de Marseille (France)

Jean-Luc Beuzit, David Mouillet, Julien Charton, Philippe Feautrier, Patrick Rabou, Eric Stadler

Lab. d'Astrophysique de Grenoble (France)

Markus Feldt, Alessandro Berton

Max-Planck-Institut für Astronomie (Germany)

Pascal Puget, Pierre Baudoz, Anthony Boccaletti, Gerard Rousset

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

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

Osservatorio Astronomico di Padova (Italy)

Marcel Carbillet

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

Mark Downing, Enrico Fedrigo, Norbert Hubin, Markus Kasper

European Southern Observatory (Germany)

Thierry Fusco, Cyril Petit

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

Andy Longmore

UK Astronomy Technology Ctr., Royal Observatory (United Kingdom)

Johan Pragt

Stichting ASTRonomisch Onderzoek in Nederland (Netherlands)

Hans-Martin Schmid

Institute of Astronomy, ETH Zürich (Switzerland)

Daphne Stamm, Rens Waters

Univ. van Amsterdam (Netherlands)

Francois Wildi

HEIG-VD, CH-1400 Yverdon, Observatoire de Genève (Switzerland)

Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 62690Q (June 28, 2006); doi:10.1117/12.671537
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From Conference Volume 6269

  • Ground-based and Airborne Instrumentation for Astronomy
  • Ian S. McLean; Masanori Iye
  • Orlando, Florida , USA | May 24, 2006

abstract

The Planet Finder instrument for ESO's VLT telescope, scheduled for first light in 2010, aims to detect giant extra-solar planets in the vicinity of bright stars and to characterise the objects found through spectroscopic and polarimetric observations. The observations will be done both within the Y, J, H and Ks atmospheric windows (~0.95 - 2.32μm) by the aid of a dual imaging camera (IRDIS) and an integral field spectrograph (IFS), and in the visible using a fast-modulation polarization camera (ZIMPOL). The instrument employs an extreme-AO turbulence compensation system, focal plane tip-tilt correction, and interferential coronagraphs. We describe briefly the science goals of the instrument and deduce the top-level requirements. The system architecture is presented, including brief descriptions of each of the main sub-systems. Expected performance is described in terms of end-to-end simulations, and a semi-analytic performance-estimation tool for system-level sensitivity analysis is presented.

© (2006) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Kjetil Dohlen ; Jean-Luc Beuzit ; Markus Feldt ; David Mouillet ; Pascal Puget, et al.
"SPHERE: A planet finder instrument for the VLT", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 62690Q (June 28, 2006); doi:10.1117/12.671537; http://dx.doi.org/10.1117/12.671537


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