Gaia DR3 contents

Information on Gaia Data Release 3 contents, completeness and limitations.


Gaia DR3 papers

The papers describing the data processing and verifying the science performance of Gaia Data Release 3 are published and an overview is available here.


Gaia DR3 documentation

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


Gaia DR3 data

Gaia Data Release 3 data is available from the Gaia Archive and its partner data centres

Gaia DR3 data model

The Gaia DR3 data model explains in further details the tables and columns providing the Gaia data.


Gaia DR3 Known issues

Find here the issues found with Gaia DR3 data after publication. If you find an issue with the data please contact the Gaia Helpdesk.


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

The GaiaXPy tool has been releaed now. More software code accompanying certain data products is published here.

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 can be found here as well.


Gaia DR3 stories

A selection of stories on the processing towards Gaia Data Release 3 and the science potential of the data is published here.


Gaia DR3 data release events

Overview of the Gaia DR3 release events can be found here. Events were planned in many countries in many different languages.



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