3 citations · 6 across the 10 of their papers we have counts for
14 papers
Technological maturation of a Gigapixels Astrometry instrument for the Habitable World Observatory.
Florence Ardellier-Desages, Jer{ô}me Amiaux, J{é}r{ô}me Bobin +12
This paper presents the development strategy for HWO-AGATE (Accurate Guiding and Astrometry Targeting Exoearths), a high-precision relative astrometry instrument concept designed f…
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…
Calibrations for high precision differential astrometry onboard Theia and HWO
Manon Lizzana, Fabien Malbet, Hugo Rousset +3
Future space astrometry missions such as Theia and an astrometric mode of the Habitable Worlds Observatory (HWO) require detector calibration and instrumental characterization at a…
Pixel-Level Calibration for Space-Based High Precision Astrometry Using Young's Fringes
Hugo Rousset, Eric Thiébaut, Chloé Rey +8
The detection of Earth-like exoplanets via astrometry necessitates centroiding precision at the 0.3 microarcsec level, thereby imposing stringent constraints on the focal plane geo…
Transformational astrophysics and exoplanet science with Habitable Worlds Observatory's High Resolution Imager
Vincent Van Eylen, Richard Massey, Saeeda Awan +167
Habitable Worlds Observatory (HWO) will be NASA's flagship space telescope of the 2040s, designed to search for life on other planets and to transform broad areas of astrophysics.…
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…
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…
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.…
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…
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…
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…
The latest results from DICE (Detector Interferometric Calibration Experiment)
A. Crouzier, F. Malbet, F. Henault +23
Theia is an astrometric mission proposed to ESA in 2014 for which one of the scientific objectives is detecting Earth-like exoplanets in the habitable zone of nearby solar-type sta…
Metrology calibration and very high accuracy centroiding with the NEAT testbed
A. Crouzier, F. Malbet, O. Preis +19
NEAT is an astrometric mission proposed to ESA with the objectives of detecting Earth-like exoplanets in the habitable zone of nearby solar-type stars. NEAT requires the capability…
An experimental testbed for NEAT to demonstrate micro-pixel accuracy
A. Crouzier, F. Malbet, O. Preis +10
NEAT is an astrometric mission proposed to ESA with the objectives of detecting Earth-like exoplanets in the habitable zone of nearby solar-type stars. In NEAT, one fundamental asp…