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29 August 2022 ExoEarth yield estimates for the LUVOIR-A coronagraph instrument
Roser Juanola-Parramon, Christopher C. Stark, Neil T. Zimmerman, Axel Q. Potier, Garreth J. Ruane
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Proceedings Volume 12180, Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave; 1218021 (2022) https://doi.org/10.1117/12.2629617
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada
Abstract
Future space missions such as LUVOIR and HabEx require large apertures and coronagraphs with active wavefront control to image and characterize faint exoplanets. ECLIPS is the coronagraph instrument on LUVOIR, an 8-15m segmented telescope. The Apodized Pupil Lyot Coronagraph is the baselined mask technology to enable the required 10e−10 contrast for observations in the habitable zones of nearby stars. Its performance depends on wavefront sensing and control to compensate for dynamic and static aberrations induced by beam shear, segment, and global wavefront errors. Here we present how these aberrations are simulated and evaluate the ExoEarth yield in different scenarios.
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Roser Juanola-Parramon, Christopher C. Stark, Neil T. Zimmerman, Axel Q. Potier, and Garreth J. Ruane "ExoEarth yield estimates for the LUVOIR-A coronagraph instrument", Proc. SPIE 12180, Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave, 1218021 (29 August 2022); https://doi.org/10.1117/12.2629617
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KEYWORDS
Coronagraphy
Wavefronts
Exoplanets
Wavefront sensors
Space operations
Spectrographs
Stars
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