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    Stellar interferometry for space domain awareness faces challenges with guide stars. This study shows orbital object visibility can be maintained even with guide star interference, ensuring image quality.

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    Area of Science:

    • Astronomy
    • Astrophysics
    • Space Domain Awareness

    Background:

    • Stellar interferometry is crucial for space domain awareness.
    • Relative motion of orbital objects and telescope arrays necessitates guide stars for array phasing.
    • Guide star proximity and brightness can degrade orbital object image quality.

    Purpose of the Study:

    • To characterize orbital object visibility in stellar interferometry.
    • To establish a performance metric for orbital object image quality.
    • To investigate the impact of dual object imaging on interferometer performance.

    Main Methods:

    • Utilized visibility contrast to noise ratios (CNR) as a performance metric.
    • Conducted experimental validations using scaled dual binary pinholes.
    • Simulated interferometer data collection scenarios with varying object sizes and brightness.

    Main Results:

    • Demonstrated agreement in CNR results between simulations and experiments.
    • Confirmed resolvable orbital object signals during co-collection with guide stars.
    • Identified potential performance degradation in dual object imaging scenarios.

    Conclusions:

    • Orbital object visibility can be effectively quantified using CNR.
    • Interferometer performance is sensitive to the interplay between orbital objects and guide stars.
    • Further research is needed to mitigate dual object imaging effects in space domain awareness.