Showing astro-ph.IMShow all
2 papers · 1 filter
astro-ph.IM2025
The Problem of the Global Astrometric Sphere Reconstruction in Astrometry -- Issues and Approaches
Alberto Vecchiato, Alexey Butkevich, Mario Gai +3
In this contribution we give a brief account of the problem of the Global Astrometric Sphere Reconstruction in Astrometry, with particular reference to the Gaia and Gaia-like astro…
astro-ph.IM2025
The Gaia AVU-GSR solver: a CPU + GPU parallel code toward Exascale systems
Valentina Cesare, Ugo Becciani, Alberto Vecchiato +3
The solver module of the Astrometric Verification Unit - Global Sphere Reconstruction (AVU-GSR) pipeline aims to find the astrometric parameters of stars in the Milky…