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5 papers

astro-ph.IM2026

Upgrading LBTI/NOMIC with a quadruple annular groove phase mask and GeoSnap detector for imaging nearby, habitable-zone exoplanets

Kevin Wagner, Manny Montoya, Steve Ertel +32

The paper describes two upgrades to the Large Binocular Telescope Interferometer’s NOMIC camera—a quadruple annular groove phase mask coronagraph and a new Teledyne GeoSnap detecto…

astro-ph.IM2026

The IRT Telescope on board the THESEUS mission

Diego Gotz, Aline Meuris, Eric Doumayrou +28

We present the Infra-Red Telescope (IRT), which is part of the payload of the THESEUS mission, one on the three phase A candidate missions for the M7 slot of ESA (launch date 2037)…

astro-ph.IM2025

System Analysis for a high-precision high-accuracy Astrometric instrument for HWO

Jérôme Amiaux, Fabien Malbet, Florence Ardellier-Desages +20

This study presents a comprehensive system analysis for an instrument onboard the Habitable Worlds Observatory (HWO), designed for high-precision, high-accuracy differential astrom…

astro-ph.IM2025

Very High Precision Astrometry for Exoplanets and Dark Matter with the Habitable Worlds Observatory

Fabien Malbet, J. Amiaux, F. Ardellier-Desages +19

Astrometry, one of the oldest branches of astronomy, has been revolutionized by missions like Hipparcos and especially Gaia, which mapped billions of stars with extraordinary preci…

astro-ph.IM2025

MIRAC-5 on the MMT with MAPS: annular groove phase mask N-band coronagraphic upgrade

Alyssa L. Miller, Jarron Leisenring, Michael Meyer +15

We describe the coronagraphic upgrade underway for the Mid-Infrared Array Camera-5 (MIRAC-5) to be used with the 6.5-m MMT telescope utilizing the new MMT Adaptive optics exoPlanet…