Year: 2018
Type: conference-paper
Abstract: The Coronagraph Instrument (CGI) for NASA's Wide Field Infrared Survey Telescope (WFIRST) will constitute a dramatic step forward for high-contrast imaging, integral field spectroscopy, and polarimetry of exoplanets and circumstellar disks, aiming to improve upon the sensitivity of current ground-based direct imaging facilities by 2-3 orders of magnitude. Furthermore, CGI will serve as a pathfinder for future exo-Earth imaging and characterization missions by demonstrating wavefront control, coronagraphy, and spectral retrieval in a new contrast regime, and by validating instrument and telescope models at unprecedented levels of precision. To achieve this jump in performance, it is critical to draw on the experience of ground-based high-contrast facilities. We discuss several areas of relevant commonalities, including: wavefront control, post-processing of integral field unit data, and calibration and observing strategies.
DOI: 10.1117/12.2313820
Authors: Michael Bottom, Eric Cady, Faustine Cantalloube, Jozua de Boer, John Krist, Arthur Vigan, Elodie Choquet, Brian Kern, Anne-Marie Lagrange, Christian Marois, Julien Milli, Mamadoue N'Diaye, Henry Ngo, Jason Rhodes, Vanessa P. Bailey, Jeffrey K. Chilcote, Robert J. De Rosa, Julien Girard, Tyler D. Groff, Olivier Guyon, Bruce Macintosh, Jared Males, Tiffany Meshkat, Max Millar-Blanchaer, Eric L. Nielsen, Garreth Ruane, Rob G. van Holstein, Jason J. Wang, Wenhao Xuan
Institutions: Jet Propulsion Laboratory, Max Planck Institute for Astronomy, Leiden Observatory, Centre National de la Recherche Scientifique, Aix-Marseille Université, California Institute of Technology, Goddard Space Flight Center, University of Notre Dame, Stanford University, University of California, Berkeley
Language: English
Subfield: Atomic and Molecular Physics, and Optics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: bronze
OpenAlex ID: W2886514801