Status of Space-based Segmented-Aperture Coronagraphs for Characterizing Exo-Earths Around Sun-Like Stars
by Stuart Shaklan, Brendan Crill, Ruslan Belikov, Stephen Bryson, Eduardo Bendek, Matt Bolcar, Kevin Fogarty, John Krist, Dimitri Mawet, Camilo Mejia Prada, Johan Mazoyer, Mamadou N’Diaye, James Noss, Roser Juanola-Parramon, Emiel Por, A. J. Eldorado Riggs, Garreth Ruane, Nicholas Siegler, Dan Sirbu, Anand Sivaramakrishnan, Rémi Soummer, Kathryn St. Laurent, Christopher Stark, and Neil Zimmerman
Published onSep 30, 2019
Status of Space-based Segmented-Aperture Coronagraphs for Characterizing Exo-Earths Around Sun-Like Stars
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Abstract
We aim to inform Astro2020 of the status of coronagraph technology for use with a space-based segmented and/or partially obscured primary mirror. Our design and modeling study has determined that multiple coronagraph architectures can achieve the necessary performance. Some preliminary observatory requirements appear challenging but achievable.
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