STARI: STarlight Acquisition and Reflection toward Interferometry

(2) Stanford; (3) Georgia Tech; (4) Rensselaer Polytechnic Institute; 5); (5) MIT; (6) JPL); Gautam Vasisht (6); Glenn Lightsey (3); James Cutler (1); John D. Monnier (1)

STARI: STarlight Acquisition and Reflection toward Interferometry

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arxiv 2408.03925 v1 pith:B4W5IZ2G submitted 2024-08-07 astro-ph.IM

STARI: STarlight Acquisition and Reflection toward Interferometry

John D. Monnier (1) , Prachet Jain (1) , Shashank Kalluri (1) , James Cutler (1) , Simone D'Amico (2) , Glenn Lightsey (3) , Leonid Pogorelyuk (4 , 5)

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Gautam Vasisht (6) Kerri Cahoy (5) Michael Meyer (1) ((1) U. Michigan (2) Stanford (3) Georgia Tech (4) Rensselaer Polytechnic Institute (5) MIT (6) JPL)

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We present the concept for STARI: STarlight Acquisition and Reflection toward Interferometry. If launched, STARI will be the first mission to control a 3-D CubeSat formation to the few mm-level, reflect starlight over 10s to 100s of meters from one spacecraft to another, control tip-tilt with sub-arcsecond stability, and validate end-to-end performance by injecting light into a single-mode fiber. While STARI is not an interferometer, the mission will advance the Technology Readiness Levels of the essential subsystems needed for a space interferometer in the near future.

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Cited by 1 Pith paper

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Space and Lunar Interferometry: Emerging Concepts and Pathways
astro-ph.IM 2026-07 accept novelty 3.5

Science targets set wavelength and resolution, which fix baseline and architecture for free-flying and lunar interferometers, with shared technologies and a decade of pathfinder decisions determining which become missions.