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Earth-like planet detection with Extremely Large Telescopes

Published online by Cambridge University Press:  13 October 2006

M. Carbillet ,
A. Ferrari ,
C. Aime ,
C. Cavarroc ,
A. Boccaletti ,
P. Baudoz ,
T. Fusco  and
D. Rouan
C. Cavarroc
Affiliation:
Observatoire de Paris-Meudon, France
A. Boccaletti
Affiliation:
Observatoire de Paris-Meudon, France
P. Baudoz
Affiliation:
Observatoire de Paris-Meudon, France
T. Fusco
Affiliation:
ONERA, France
D. Rouan
Affiliation:
Observatoire de Paris-Meudon, France
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Abstract

Direct detection of Earth-like planets is one of the major objectivesfor the next generation of ground based telescopes (Extremely LargeTelescopes, ELT). ELT instruments will be conditionned by suchscientific programs. Here, we consider here a system made with anadaptive optics device, a coronagraph and a simultaneous calibrationsystem. We refined this simple model by including static aberrationsupstream the coronagraph and differential aberrations downstream. Usingnumerical simulations, we evaluate how these static aberrations limitthe detectability of telluric planets.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 22: Astronomy with High Contrast Imaging III: Instrumental Techniques, Modeling and Data Processing , 2006 , pp. 213 - 221
Copyright
© EAS, EDP Sciences, 2006

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