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Coronagraphic imaging on the VLTI with VIDA

Published online by Cambridge University Press:  11 October 2004

C. Aime ,
R. Soummer  and
O. Lardière
O. Lardière*
Affiliation:
INAF-Osservatorio Astrofisico di Arcetri, 50125 Firenze
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Abstract

In a few years, the VLTI will be able to combine light from 4 to 8telescopes equipped with adaptive optics. In order to exploit thefull VLTI infrastructure, a second generation instrument, based onthe densified pupil concept (VIDA), has been proposed for veryhigh resolution direct imaging and coronagraphy. This paperpresents some possible coronagraphic devices providing a totalstar extinction on the VLTI when there are no phase errors.Lastly, the expected performances considering cophasing andadaptive optics residual errors are also presented.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 12: Astronomy with High Contrast Imaging II , 2004 , pp. 299 - 309
Copyright
© EAS, EDP Sciences, 2004

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