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
This entity first appeared as the object of triple T3894434 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gaia Data Release 1 Context triple: [Gaia observatory, dataRelease, Gaia Data Release 1]
-
A.
Gaia observatory
The Gaia observatory is a European Space Agency space telescope designed to create the most precise 3D map of the Milky Way by measuring the positions, distances, and motions of over a billion stars.
-
B.
Halley’s star catalogue of the southern sky
Halley’s star catalogue of the southern sky is an early 18th-century astronomical catalog compiled by Edmund Halley that systematically recorded and improved the positions of stars in the southern celestial hemisphere.
-
C.
Smithsonian Astrophysical Observatory Star Catalogs
The Smithsonian Astrophysical Observatory Star Catalogs are comprehensive astronomical catalogs that provide precise positional and photometric data for millions of stars, widely used for research and satellite tracking.
-
D.
Zwicky catalog of galaxies
The Zwicky catalog of galaxies is an influential astronomical catalog compiled by Swiss astronomer Fritz Zwicky that systematically lists and classifies thousands of galaxies and galaxy clusters.
-
E.
The Motion of Stars
The Motion of Stars is a 1910 silent short film directed by D.W. Griffith that explores astronomical themes through early cinematic techniques.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Gaia Data Release 1 Target entity description: 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.
-
A.
Gaia observatory
The Gaia observatory is a European Space Agency space telescope designed to create the most precise 3D map of the Milky Way by measuring the positions, distances, and motions of over a billion stars.
-
B.
Halley’s star catalogue of the southern sky
Halley’s star catalogue of the southern sky is an early 18th-century astronomical catalog compiled by Edmund Halley that systematically recorded and improved the positions of stars in the southern celestial hemisphere.
-
C.
Smithsonian Astrophysical Observatory Star Catalogs
The Smithsonian Astrophysical Observatory Star Catalogs are comprehensive astronomical catalogs that provide precise positional and photometric data for millions of stars, widely used for research and satellite tracking.
-
D.
Zwicky catalog of galaxies
The Zwicky catalog of galaxies is an influential astronomical catalog compiled by Swiss astronomer Fritz Zwicky that systematically lists and classifies thousands of galaxies and galaxy clusters.
-
E.
The Motion of Stars
The Motion of Stars is a 1910 silent short film directed by D.W. Griffith that explores astronomical themes through early cinematic techniques.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Gaia mission data release
ⓘ
astrometric catalog ⓘ astronomical catalog ⓘ photometric catalog ⓘ |
| abbreviation |
Gaia DR1
ⓘ
linked to:
Gaia Data Release 1
|
| agency | ESA ⓘ |
| approximateObservationDuration | 14 months ⓘ |
| astrometricSolutionFor |
Hipparcos stars
ⓘ
linked to:
Hipparcos Catalogue
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 |
ICRS
ⓘ
linked to:
International Celestial Reference System
|
| 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 catalog
ⓘ
linked to:
Hipparcos Catalogue
Tycho-2 catalog ⓘ
linked to:
Tycho Catalogue
|
| meanGbandMagnitudeRange | 3–20.7 ⓘ |
| mission | Gaia ⓘ |
| numberOfSources |
>1000000000
ⓘ
about 1.1 billion ⓘ |
| operator | European Space Agency ⓘ |
| partOf |
Gaia mission
ⓘ
linked to:
Gaia observatory
|
| precededBy |
Hipparcos catalog
ⓘ
linked to:
Hipparcos Catalogue
|
| 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-CRF
ⓘ
linked to:
Gaia Data Processing and Analysis Consortium
|
| scientificGoal | 3D map of the Milky Way ⓘ |
| shortName | TGAS ⓘ |
| skyCoverage | full sky ⓘ |
| spaceObservatory |
Gaia space telescope
ⓘ
linked to:
Gaia observatory
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Gaia Data Release 1 Description of subject: 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.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Gaia Data Release 1