SPHERE: A planet finder instrument for the VLT

Kjetil Dohlen; Jean-Luc Beuzit; Markus Feldt; David Mouillet; Pascal Puget; Jacopo Antichi; Andrea Baruffolo; Pierre Baudoz; Alessandro Berton; Anthony Boccaletti; Marcel Carbillet; Julien Charton; Riccardo Claudi; Mark Downing; Christophe Fabron; Philippe Feautrier; Enrico Fedrigo; Thierry Fusco; Jean-Luc Gach; Raffaele Gratton; Norbert Hubin; Markus Kasper; Maud Langlois; Andy Longmore; Claire Moutou; Cyril Petit; Johan Pragt; Patrick Rabou; Gerard Rousset; Michel Saisse; Hans-Martin Schmid; Eric Stadler; Daphne Stamm; Massimo Turatto; Rens Waters; Francois Wildi

doi:10.1117/12.671537

28 June 2006 SPHERE: A planet finder instrument for the VLT

Kjetil Dohlen, Jean-Luc Beuzit, Markus Feldt, David Mouillet, Pascal Puget, Jacopo Antichi, Andrea Baruffolo, Pierre Baudoz, Alessandro Berton, Anthony Boccaletti, Marcel Carbillet, Julien Charton, Riccardo Claudi, Mark Downing, Christophe Fabron, Philippe Feautrier, Enrico Fedrigo, Thierry Fusco, Jean-Luc Gach, Raffaele Gratton, Norbert Hubin, Markus Kasper, Maud Langlois, Andy Longmore, Claire Moutou, Cyril Petit, Johan Pragt, Patrick Rabou, Gerard Rousset, Michel Saisse, Hans-Martin Schmid, Eric Stadler, Daphne Stamm, Massimo Turatto, Rens Waters, Francois Wildi

Author Affiliations +

Proceedings Volume 6269, Ground-based and Airborne Instrumentation for Astronomy; 62690Q (2006) https://doi.org/10.1117/12.671537
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

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.

Citation Download Citation

Kjetil Dohlen, Jean-Luc Beuzit, Markus Feldt, David Mouillet, Pascal Puget, Jacopo Antichi, Andrea Baruffolo, Pierre Baudoz, Alessandro Berton, Anthony Boccaletti, Marcel Carbillet, Julien Charton, Riccardo Claudi, Mark Downing, Christophe Fabron, Philippe Feautrier, Enrico Fedrigo, Thierry Fusco, Jean-Luc Gach, Raffaele Gratton, Norbert Hubin, Markus Kasper, Maud Langlois, Andy Longmore, Claire Moutou, Cyril Petit, Johan Pragt, Patrick Rabou, Gerard Rousset, Michel Saisse, Hans-Martin Schmid, Eric Stadler, Daphne Stamm, Massimo Turatto, Rens Waters, and Francois Wildi "SPHERE: A planet finder instrument for the VLT", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 62690Q (28 June 2006); https://doi.org/10.1117/12.671537

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