3 papers
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-ph2003
ISGRI: the INTEGRAL Soft Gamma-Ray Imager
F. Lebrun, J. -P. Leray, P. Lavocat +21
For the first time in the history of high energy astronomy, a large CdTe gamma-ray camera is operating in space. ISGRI is the low-energy camera of the IBIS telescope on board the I…