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12 January 2021 Roman space telescope coronagraph: engineering design and operating concept
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Abstract
NASA’s Nancy Grace Roman Space Telescope (formerly known as WFIRST) is a flagship astrophysics mission planned for launch in 2025. The coronagraph instrument (CGI) on Roman will demonstrate the technology for direct imaging and spectroscopy of exoplanets around nearby stars. It will work with the 2.4-meter diameter telescope to achieve starlight suppression that is 2-3 orders of magnitude deeper than previous space-based and ground-based coronagraphs by using active wavefront control in space with deformable mirrors. CGI has passed its Preliminary Design Review (PDR) in September 2019 and is working toward the instrument Critical Design Review (CDR) in the spring of 2021. We describe the CGI engineering design going into CDR and the operational concept planned for CGI observations.
Conference Presentation
© (2021) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ilya Poberezhskiy, Thomas Luchik, Feng Zhao, Margaret Frerking, Scott Basinger, Eric Cady, M. Mark Colavita, Brandon Creager, Nanaz Fathpour, Renaud Goullioud, Tyler Groff, Patrick Morrissey, Joshua Kempenaar, Brian Kern, Timothy Koch, John Krist, Fai Mok, David Muliere, Bijan Nemati, A.J. Riggs, Byoung-Joon Seo, Fang Shi, Belinda Shreckengost, John Steeves, and Hong Tang "Roman space telescope coronagraph: engineering design and operating concept", Proc. SPIE 11443, Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave, 114431V (12 January 2021); https://doi.org/10.1117/12.2563480
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