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22 juin 2018 Tout le mois

Margaret Frerking (LESIA) - Imaging Exoplanets with the WFIRST Coronagraph Instrument.

Vendredi 22 juin 2018 11:00-12:00

The WFIRST coronagraph instrument (CGI) will be the first in-space coronagraph using active wavefront control with an expected instrumental raw contrast of 3*10^-9 at 150 milliarcseconds in the V band. The CGI will be capable of directly imaging and spectrally characterizing mature exoplanets in reflected light for the first time. I’m going to present the CGI design architecture, its requirements and expected performance based on laboratory results demonstrated in the High Contrast Imaging Testbed (HCIT) that simulates in-space conditions as well as detailed integrated modeling including the WFIRST telescope predicted performance.

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