2 papers
astro-ph.IM2026
The First Look of Gaia: Daily data quality and instrument health assessment with automated early warnings
M. Altmann, Z. Balog, W. Löffler +15
The ESA Gaia mission is a 10+ year astrometric whole-sky scan, demanding consistent data quality over the whole timespan of operations Aims. The Gaia First Look (FL) is a system wh…
astro-ph.IM2025
The Gaia Astrometric Catalogue and Secular Aberration Drift in Proper Motions
Anthony G. A. Brown, Ulrich Bastian, Sergei Klioner
A recent paper demonstrated the existence of a secular aberration drift term in stellar proper motions that arises when transforming an astrometric catalogue defined for an observe…