Gaia Data Release 1

E396687

Gaia Data Release 1 is the first major public catalog of high-precision astrometric and photometric measurements from ESA’s Gaia space observatory, providing positions and brightnesses for over a billion stars in the Milky Way.

All labels observed (2)

Label Occurrences
Gaia Data Release 1 canonical 3
Gaia DR1 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf Gaia mission data release
astrometric catalog
astronomical catalog
photometric catalog
abbreviation Gaia Data Release 1 self-linksurface differs
surface form: Gaia DR1
agency ESA
approximateObservationDuration 14 months
astrometricSolutionFor Hipparcos Catalogue
surface form: Hipparcos stars

Tycho-2 stars
basedOnObservationsFrom 2014-07
basedOnObservationsTo 2015-09
contains G-band magnitudes
Tycho-Gaia Astrometric Solution
astrometric data
photometric data
positions of stars
coordinateSystem International Celestial Reference System
surface form: ICRS
dataAccess ESA Gaia Archive
partner data centers
dataReleaseNumber 1
doesNotProvide BP/RP spectrophotometry
radial velocities
epoch J2015.0
followedBy Gaia Data Release 2
hostGalaxy Milky Way
includesSourceCatalog TGAS
languageOfDocumentation English
linkedTo Hipparcos Catalogue
surface form: Hipparcos catalog

Tycho Catalogue
surface form: Tycho-2 catalog
meanGbandMagnitudeRange 3–20.7
mission Gaia
numberOfSources >1000000000
about 1.1 billion
operator European Space Agency
partOf Gaia observatory
surface form: Gaia mission
precededBy Hipparcos Catalogue
surface form: Hipparcos catalog
primaryUse Galactic structure studies
distance determinations
stellar kinematics
provides broadband G photometry
parallaxes for TGAS subset
positions
proper motions for TGAS subset
publicationDate 2016-09-14
referenceFrame Gaia Data Processing and Analysis Consortium
surface form: Gaia-CRF
scientificGoal 3D map of the Milky Way
shortName TGAS
skyCoverage full sky
spaceObservatory Gaia observatory
surface form: Gaia space telescope

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Gaia observatory dataRelease Gaia Data Release 1
Gaia Data Release 1 abbreviation Gaia Data Release 1 self-linksurface differs
this entity surface form: Gaia DR1
Gaia Data Release 2 predecessor Gaia Data Release 1