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Proceedings Paper

ACCESS: a NASA mission concept study of an Actively Corrected Coronagraph for Exoplanet System Studies
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Paper Abstract

ACCESS (Actively-Corrected Coronagraph for Exoplanet System Studies) develops the science and engineering case for an investigation of exosolar giant planets, super-earths, exo-earths, and dust/debris fields that would be accessible to a medium-scale NASA mission. The study begins with the observation that coronagraph architectures of all types (other than the external occulter) call for an exceptionally stable telescope and spacecraft, as well as active wavefront correction with one or more deformable mirrors (DMs). During the study, the Lyot, shaped pupil, PIAA, and a number of other coronagraph architectures will all be evaluated on a level playing field that considers science capability (including contrast at the inner working angle (IWA), throughput efficiency, and spectral bandwidth), engineering readiness (including maturity of technology, instrument complexity, and sensitivity to wavefront errors), and mission cost so that a preferred coronagraph architecture can be selected and developed for a medium-class mission.

Paper Details

Date Published: 14 July 2008
PDF: 11 pages
Proc. SPIE 7010, Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter, 701029 (14 July 2008); doi: 10.1117/12.789119
Show Author Affiliations
John Trauger, Jet Propulsion Lab. (United States)
Karl Stapelfeldt, Jet Propulsion Lab. (United States)
Wesley Traub, Jet Propulsion Lab. (United States)
Curt Henry, Jet Propulsion Lab. (United States)
John Krist, Jet Propulsion Lab. (United States)
Dimitri Mawet, Jet Propulsion Lab. (United States)
Dwight Moody, Jet Propulsion Lab. (United States)
Peggy Park, Jet Propulsion Lab. (United States)
Laurent Pueyo, Jet Propulsion Lab. (United States)
Eugene Serabyn, Jet Propulsion Lab. (United States)
Stuart Shaklan, Jet Propulsion Lab. (United States)
Olivier Guyon, Subaru Telescope (United States)
Univ. of Arizona (United States)
Jeremy Kasdin, Princeton Univ. (United States)
David Spergel, Princeton Univ. (United States)
Robert Vanderbei, Princeton Univ. (United States)
Ruslan Belikov, NASA Ames Research Ctr. (United States)
Geoffrey Marcy, Univ. of California, Berkeley (United States)
Robert A. Brown, Space Telescope Science Institute (United States)
Jean Schneider, Paris Observatory (France)
Bruce Woodgate, NASA Goddard Space Flight Ctr. (United States)
Gary Matthews, ITT Space Systems Division (United States)
Robert Egerman, ITT Space Systems Division (United States)
Ronald Polidan, Northrop Grumman Corp. (United States)
Charles Lillie, Northrop Grumman Corp. (United States)
Mark Ealey, Xinetics, Northrop Grumman (United States)
Thomas Price, Xinetics, Northrop Grumman (United States)


Published in SPIE Proceedings Vol. 7010:
Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter
Jacobus M. Oschmann; Mattheus W. M. de Graauw; Howard A. MacEwen, Editor(s)

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