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20222026
most citedChallenges in focal plane and telescope calibration for High-Precision Space Astrometry

1 citations · 1 across the 7 of their papers we have counts for

collaborators

8 papers

physics.optics2026

Setup and performance of focal-plane characterization benches for high precision astrometry

Fabrice Pancher, Sebastien Soler, Fabien Malbet +7

Detecting Earth-like exoplanets requires micro-arcsecond astrometry, which relies on a precisely calibrated focal plane equipped with high-resolution detectors. Accurate calibratio…

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

Experimental tests of the calibration of high precision differential astrometry for HWO

Manon Lizzana, Fabien Malbet, Alain Leger +7

Many different scientific applications require sub-micro arcsecond precision astrometry, including researching rocky exoplanets in the vicinity of the Sun and studying dark matter.…

astro-ph.IM2024

Experimental tests of the calibration of high precision differential astrometry for exoplanets

Manon Lizzana, Fabien Malbet, Pierre Kern +4

High precision differential Astrometry is the branch of astronomy that evaluates the relative position, distance and motion of celestial objects with respect to the stars present i…

astro-ph.EP2024

High Precision Astrometry Science in the Context of Space Mission Prospectives

Fabien Malbet, Gary A. Mamon, Lucas Labadie +5

Astrometry is one of the oldest branches of astronomy which measures the position, the proper motion and parallax of celestial objects. Following the Hipparcos and Gaia missions th…

astro-ph.IM2024

Laboratory characterisation bench for high precision astrometry

Fabrice Pancher, Sebastien Soler, Fabien Malbet +4

High precision differential astrometry assesses the positions, distances, and motions of celestial objects in relation to the stars. The focal plane of such space telescope must be…

astro-ph.IM2024★ 1 cited

Challenges in focal plane and telescope calibration for High-Precision Space Astrometry

F. Malbet, M. Lizzana, F. Pancher +10

With sub-microarcsecond angular accuracy, the \theia telescope will be capable of revealing the architectures of nearby exoplanetary systems down to the mass of Earth. This researc…

astro-ph.IM2022

Theia : science cases and mission profiles for high precision astrometry in the future

Fabien Malbet, Lucas Labadie, Alessandro Sozzetti +11

High-precision astrometry well beyond the capacities of Gaia will provide a unique way to achieve astrophysical breakthroughs, in particular on the nature of dark matter, and a com…