3 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.IM2026
Gaia Data Release 4: Modelling of drift-scan related effects in Gaia's point spread function
Nicholas Rowell, Michael Davidson, Nigel C. Hambly +5
An accurate model of the point spread function is required in order to estimate positions and brightnesses of stars in digitized images. The PSF of the Gaia space telescope is unus…
astro-ph.IM2026
Gaia serial CTI modelling and radiation damage study
C. Pagani, N. C. Hambly, M. Davidson +8
During the course of its mission, ESA's Gaia spacecraft has generated a map of the stars of the Galaxy of exquisite detail. While in its L2 orbit, the satellite has been exposed to…