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July 1, 2026Open Access

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Status of the ESA Gaia mission (June 2026)

JSJ. SahlmannEuropean Space Agency

Key Points

The aim was to discuss the current status and findings of the ESA Gaia mission, particularly focusing on astrometric performance.
Presented at the European Astronomical Society Annual Meeting on June 29, 2026.
Included descriptions of Gaia Data Release 4 (DR4) pre-release materials and figures.
Highlighted astrometric performance metrics of very-bright stars.
Showed improvements in astrometric performance compared to previous data releases.
Provided insights into the ongoing analysis of very-bright star performance metrics.

Abstract

Slides of presentation delivered at the European Astronomical Society (EAS) Annual Meeting in Lausanne, Switzerland, on 29 June 2026. Includes descriptions of the Gaia DR4 pre-release material and figures showing the astrometric performance of very-bright stars. https://great.ast.cam.ac.uk/Greatwiki/GreatMeet-PM19

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Cite This Study

J. Sahlmann (Mon,) studied this question.

synapsesocial.com/papers/6a44af055cd2549c8bc441f6 https://doi.org/https://doi.org/10.5281/zenodo.21035363

ESA 가이아 미션의 현황 (2026년 6월) | Synapse