Mission Characteristics

Background: Gaia is a mission designed to chart a three dimensional map of the Milky Way. Gaia will provide unprecedented positional measurements for about one billion stars in our Galaxy, together with radial velocity measurements for the brightest 150 million objects.
Mission Milestones: Launch: 19 December 2013
End of Nominal Mission: 2018
Wavelength: 330-1050 nm
Area Coverage: All Sky
  • Astro: 2 identical telescopes and imaging system
  • BP/LP: Blue and Red Photometers
  • RVS: Radial Velocity Spectrometer
Science Products Generated:
  • Catalog
Funding Agency: Gaia is an ESA mission.
Canonical Paper: Gaia Collaboration (2016a)

IRSA Services - Public Data Release 1 & 2

Gaia Catalogue The Gaia Catalogue contains positions and brightnesses for 1.7 billion stars, including distances and proper motions for more than 1.3 billion stars. Access the catalog through IRSA's Catalog Search service.
Gaia Ancillary Tables Astrometric Solution, Variable, and Cross-Reference tables. Access the catalogs through IRSA's Catalog Search service.
DR2 Documentation Documentation for Data Release 2
DR1 Documentation Documentation for Data Release 1

Other Resources:

ESA Gaia Science Home Page