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Coronagraphy with JWST in the thermal IR

Published online by Cambridge University Press:  11 October 2004

C. Aime ,
R. Soummer ,
A. Boccaletti ,
P. Riaud ,
P. Baudoz ,
J. Baudrand ,
J.-M. Reess  and
D. Rouan
A. Boccaletti
Affiliation:
LESIA, Observatoire de Meudon, 5 place J. Janssen, 92195 Meudon, France
P. Riaud
Affiliation:
LESIA, Observatoire de Meudon, 5 place J. Janssen, 92195 Meudon, France
P. Baudoz
Affiliation:
LESIA, Observatoire de Meudon, 5 place J. Janssen, 92195 Meudon, France
J. Baudrand
Affiliation:
LESIA, Observatoire de Meudon, 5 place J. Janssen, 92195 Meudon, France
J.-M. Reess
Affiliation:
LESIA, Observatoire de Meudon, 5 place J. Janssen, 92195 Meudon, France
D. Rouan
Affiliation:
LESIA, Observatoire de Meudon, 5 place J. Janssen, 92195 Meudon, France
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Abstract

MIRI, the mid-IR instrument of JWST (James Webb Space Telescope),will include a coronagraphic device for which the ultimate goal isthe detection and caracterization of extrasolar planets aroundnearby stars. In this paper, we describe the optical concept ofMIRI and the instrumental choices that were made in phase A and Bregarding the coronagraphic system. Finally, we will presentnumerical simulations that we carried out to evaluate thecapability for detecting extrasolar giant gazeous planets.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 12: Astronomy with High Contrast Imaging II , 2004 , pp. 195 - 204
Copyright
© EAS, EDP Sciences, 2004

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