SPHERE, a planet finder instrument for the VILT

被引：14

作者：

Dohlen, Kjetil ^{[1
]}

Beuzit, Jean-Luc ^{[1
]}

Feldt, Markus ^{[1
]}

Mouillet, David ^{[1
]}

Puget, Pascal ^{[1
]}

Antichi, Jacopo ^{[1
]}

Baruffolo, Andrea ^{[1
]}

Baudoz, Pierre ^{[1
]}

Berton, Alessandro ^{[1
]}

Boccaletti, Anthony ^{[1
]}

Carbillet, Marcel ^{[1
]}

Charton, Julien ^{[1
]}

Claudi, Riccardo ^{[1
]}

Downing, Mark ^{[1
]}

Fabron, Christophe ^{[1
]}

Feautrier, Philippe ^{[1
]}

Fedrigo, Enrico ^{[1
]}

Fusco, Thierry ^{[1
]}

Gach, Jean-Luc ^{[1
]}

Gratton, Raffaele ^{[1
]}

Hubin, Norbert ^{[1
]}

Kasper, Markus ^{[1
]}

Langlois, Maud ^{[1
]}

Longmore, Andy ^{[1
]}

Moutou, Claire ^{[1
]}

Petit, Cyril ^{[1
]}

Pragt, Johan ^{[1
]}

Rabou, Patrick ^{[1
]}

Rousset, Gerard ^{[1
]}

Saisse, Michel ^{[1
]}

Schmid, Hans-Martin ^{[1
]}

Stadler, Eric ^{[1
]}

Stamm, Daphne ^{[1
]}

Turatto, Massimo ^{[1
]}

Waters, Rens ^{[1
]}

Wildi, Francois ^{[1
]}

机构：

[1] Lab Astrophys Marseille, BP 8, F-13376 Marseille 12, France

来源：

GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY, PTS 1- 3 | 2006年 / 6269卷

关键词：

extrasolar planets; extreme AO; coronagraph; dual imaging; polarimetry; spectral imaging;

D O I：

10.1117/12.671537

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 (similar to 0.957-2.32 mu m) 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.

引用

页数：12

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