Gaia DR1 info

Information on Gaia Data Release 1 contents, completeness and limitations.


Gaia DR1 papers

Titles and links to papers describing the data processing of Gaia Data Release 1.


Gaia DR1 data

Gaia Data Release 1 data is now available.

Gaia Data Credits

When using Gaia DR1 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 DR1 documentation

The full documentation for the first data release, both on webpages and with a downloadable PDF-file


Gaia DR1 Passbands

More information on the photometric system used for Gaia Data Release 1.

Gaia DR1 Data model

The Gaia DR1 data model describes all tables together with the names and contents of the columns inside each table.


Tutorials and Help

Help is available to guide you through the process of getting the data you need. Check out the tutorials as they are very instructive!


Read our FAQ or contact the Gaia Helpdesk.

Public outreach

An overview of news and stories on the Gaia Mission and Gaia science are given here.



The Gaia Data Processing and Analysis Consortium is responsible for processing the Gaia data.


Scientific community

Home of the Gaia scientific community with information, news and resources on the Gaia mission.


Gaia Data Release 1 press conference

Gaia DR1 overview and the Future

The motion of two million stars

The Future of the Orion constellation

Selection of stories related to Gaia Data Release 1



04/07/16: Mark your calendar: Gaia data release set for 14 September

01/09/16: Call for media: First data release from ESA's Gaia mission

14/09/16: Gaia's billion-star map hints at treasures to come

14/09/16: Pluto Stellar Occultation

16/09/16: First DR1 results

21/10/16: Asteroid Occultation

22/09/16: From Hipparchus to Hipparcos: A sonification of stellar catalogues

27/10/16: Microlensing Follow-Up

27/10/16: Gaia spies two temporarily magnified stars

28/10/16: Follow the Gaia 2016 Data Release #1 Workshop live

15/11/16: Successful first DR1 Workshop

25/11/16: Signature of the rotation of the galactic bar uncovered

16/12/16: Standard uncertainties for the photometric data (in GDR1)

24/01/17: Gaia turns its eyes to asteroid hunting

24/03/17: Pulsating stars to study Galactic structures

10/04/17: How faint are the faintest Gaia stars?

12/04/17: Two million stars on the move

20/04/17: Extra-galactic observations with Gaia

20/04/17: Gaia's snapshot of another galaxy

24/04/17: Gaia reveals the composition of asteroids

09/06/17: The future of the Orion constellation

26/06/17: Artificial brain helps Gaia catch speeding stars

31/08/17: Close stellar encounters from the first Gaia data release

19/10/17: Hertzsprung-russell diagram using Gaia DR1

15/11/17: How do you find a star cluster? Easy, simply count the stars

27/11/17: Stellar motions in nearby galaxy hint at underlying dark matter

13/12/17: Gaia's view of our galactic neighbours

03/04/18: Gaia's view of dark interstellar clouds

20/04/17: Gaia's surprising discoveries – part 1: scrutinising the Milky Way

20/04/17: Gaia's surprising discoveries – Part 2: From the Sun's neighbourhood to the distant Universe