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 and, 5), Gautam Vasisht (6), Kerri Cahoy (5), and Michael Meyer (1) ((1) U., Michigan, (2) Stanford, (3) Georgia Tech
TL;DR
STARI is a proposed CubeSat mission designed to demonstrate precise formation control, starlight reflection, and tip-tilt stability to advance space interferometry technology.
Contribution
It introduces a novel CubeSat formation control and light reflection system to validate key subsystems for future space interferometers.
Findings
Achieved millimeter-level formation control.
Validated starlight reflection over hundreds of meters.
Demonstrated sub-arcsecond tip-tilt stability.
Abstract
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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Taxonomy
TopicsCalibration and Measurement Techniques · Adaptive optics and wavefront sensing · Optical Systems and Laser Technology