4 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…
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…
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…
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.…