Error budgets for the Exoplanet Starshade (Exo-S) probe-class mission study

Stuart B. Shaklan; Luis Marchen; Eric Cady; William Ames; P. Douglas Lisman; Stefan R. Martin; Mark Thomson; Martin Regehr

doi:10.1117/12.2190384

16 September 2015 Error budgets for the Exoplanet Starshade (Exo-S) probe-class mission study

Stuart B. Shaklan, Luis Marchen, Eric Cady, William Ames, P. Douglas Lisman, Stefan R. Martin, Mark Thomson, Martin Regehr

Author Affiliations +

Proceedings Volume 9605, Techniques and Instrumentation for Detection of Exoplanets VII; 96050Z (2015) https://doi.org/10.1117/12.2190384
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

Exo-S is a probe-class mission study that includes the Dedicated mission, a 30 m starshade co-launched with a 1.1 m commercial telescope in an Earth-leading deep-space orbit, and the Rendezvous mission, a 34 m starshade intended to work with a 2.4 m telescope in an Earth-Sun L2 orbit. A third design, referred to as the Rendezvous Earth Finder mission, is based on a 40 m starshade and is currently under study. This paper presents error budgets for the detection of Earth-like planets with each of these missions. The budgets include manufacture and deployment tolerances, the allowed thermal fluctuations and dynamic motions, formation flying alignment requirements, surface and edge reflectivity requirements, and the allowed transmission due to micrometeoroid damage.

Citation Download Citation

Stuart B. Shaklan, Luis Marchen, Eric Cady, William Ames, P. Douglas Lisman, Stefan R. Martin, Mark Thomson, and Martin Regehr "Error budgets for the Exoplanet Starshade (Exo-S) probe-class mission study", Proc. SPIE 9605, Techniques and Instrumentation for Detection of Exoplanets VII, 96050Z (16 September 2015); https://doi.org/10.1117/12.2190384

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