1 September 2017 Simulation of realistic images for Starshade missions
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Abstract
Direct imaging using a starshade is a powerful technique for exoplanet detection and characterization. No current post-processing methods are specialized for starshade images and the ones for coronagraph images have not been applied to images produced by a starshade system ( starshade system means the light sources, starshade and telescope). Here, we report on the first step towards adapting these methods for starshade systems. We have built a starshade imaging model. We generate the image based on a simulation of the real astronomical scene and consider the effects of various starshade defects, misalignment, wavefront error, and detector noise. Future work will add the system dynamics of formation flying between the starshade and the telescope. The ultimate goal is to adapt coronagraphic image processing methods for starshade imaging.
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Mengya (Mia) Hu, Anthony D. Harness, Yunjong Kim, N. Jeremy Kasdin, Robert Vanderbei, Maxime Jean Rizzo, Aki Roberge, "Simulation of realistic images for Starshade missions", Proc. SPIE 10400, Techniques and Instrumentation for Detection of Exoplanets VIII, 104001S (1 September 2017); doi: 10.1117/12.2273404; https://doi.org/10.1117/12.2273404
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