Gaia DR3 contents

Information on Gaia Data Release 3 contents, completeness and limitations. Last update on 28 March!


Gaia DR3 papers

The titles of the expected papers describing the data processing and verifying the science performance of Gaia Data Release 3 are published. Links to the papers will be added after the release.


Gaia DR3 documentation

The data release documentation for Gaia Data Release 3, describing the processing of the data from raw to Gaia DR3 will appear both on webpages and through a downloadable PDF-file.


Gaia DR3 data release events

Overview of the Gaia DR3 release events planned will be published here, around 20 May.

Gaia DR3 data model

The Gaia DR3 data model explains in further details the tables and columns providing the Gaia data. A draft version is available now.


Gaia DR3 Known issues

Find here the issues found with Gaia DR3 data after the release / data release documentation was published.


Gaia DR3 Auxiliary data

Passbands, extinction law, ... with additions on the release day for the GRVS passband, exoplanet list, solar analogue spectrum from SSOs and more


Gaia DR3 Previews

Explore some previews of Gaia Data Release 3.

Python access

Gaia data can be accessed using Python. Learn more about the astroquery package for Gaia here.


Tutorials and Help

Help is available to guide you through the process of getting the data you need. Extensive information on writing ADQL Queries is provided as well to bring the code to your data.


Gaia Data Credits

When using Gaia DR3 data, please acknowledge the work of the people involved and provide credits and necessary citations. Each release comes with its own credit lines and DOI.


Gaia DR3 software tools

Software code accompanying certain data products will be published.

Public outreach Material

An overview of news and stories on the Gaia Mission and Gaia science are given here. The press release by ESA on Gaia DR3 will be shared at the release day.


Gaia DR3 stories

A selection of stories on the processing towards Gaia Data Release 3 and the science potential of the data will be published at the release day.


Gaia DR3 data

Gaia Data Release 3 data will become available from the Gaia Archive and its partner data centres.



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