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20242026
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astro-ph.IM2026

Astrometric detection of rocky exoplanets from inexpensive space platforms

Peter G. Tuthill, George Ayad, Donald G. Dansereau +18

The detection of orbiting exoplanets by way of astrometric monitoring of the host star to reveal gravitationally induced reflex motion requires extreme precision and measurement st…

astro-ph.IM2026

The Photonic Lantern Nuller: from concept to laboratory and on-sky demonstrations

Yinzi Xin, Nemanja Jovanovic, Dimitri Mawet +18

This thesis work presents the conceptual design and experimental characterization of the Photonic Lantern Nuller instrument, which uses a multimode-to-single-mode demultiplexing wa…

astro-ph.IM2026

The TOLIMAN mission: A low-cost space telescope for high precision narrow-angle astrometry

Peter Tuthill, Christopher Betters, Max Charles +29

The TOLIMAN project is engaged with the construction, launch and operation of a low-cost space telescope of unorthodox optical design. Its primary science goal targets an exhaustiv…

astro-ph.IM2025

Jewel Optics I: non-redundant Fizeau beam combination without the guilt

Adam K. Taras, Grace Piroscia, Peter Tuthill

The enduring technique of aperture masking interferometry, now more than 150 years old, is still widely practised today for it opens a window of high angular resolution astronomy t…

astro-ph.IM2024

CHARA/Silmaril Instrument Software and Data Reduction Pipeline: Characterization of the Instrument in the Lab and On-Sky

Narsireddy Anugu, Theo A. ten brummelaar, Cyprien Lanthermann +9

The newly installed Silmaril beam combiner at the CHARA array is designed to observe previously inaccessible faint targets, including Active Galactic Nuclei and T-Tauri Young Stell…