Gaia observatory
E88135
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.
All labels observed (8)
| Label | Occurrences |
|---|---|
| Gaia mission | 8 |
| Gaia spacecraft | 6 |
| Gaia space observatory | 2 |
| ESA Gaia mission | 1 |
| Gaia (with ESA) | 1 |
| Gaia observatory canonical | 1 |
| Gaia satellite | 1 |
| Gaia space telescope | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T727650 — 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 observatory Context triple: [European Space Agency, mission, Gaia observatory]
-
A.
Kepler space telescope
The Kepler space telescope was a NASA space observatory designed to discover Earth-size exoplanets by continuously monitoring the brightness of over 150,000 stars.
-
B.
Neil Gehrels Swift Observatory
The Neil Gehrels Swift Observatory is a NASA space telescope dedicated primarily to detecting and studying gamma-ray bursts and other high-energy astrophysical phenomena.
-
C.
Baade Telescope
The Baade Telescope is one of the twin 6.5-meter Magellan optical telescopes used for cutting-edge astronomical research in Chile.
-
D.
Magellan Clay Telescope
The Magellan Clay Telescope is one of the twin 6.5-meter Magellan telescopes at Las Campanas Observatory in Chile, used for cutting-edge optical and infrared astronomical research.
-
E.
Magellan Telescopes
Magellan Telescopes are a pair of 6.5-meter optical-infrared telescopes at Las Campanas Observatory in Chile, used for cutting-edge astronomical research by an international collaboration.
- 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 observatory Target entity description: 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.
-
A.
Kepler space telescope
The Kepler space telescope was a NASA space observatory designed to discover Earth-size exoplanets by continuously monitoring the brightness of over 150,000 stars.
-
B.
Neil Gehrels Swift Observatory
The Neil Gehrels Swift Observatory is a NASA space telescope dedicated primarily to detecting and studying gamma-ray bursts and other high-energy astrophysical phenomena.
-
C.
Baade Telescope
The Baade Telescope is one of the twin 6.5-meter Magellan optical telescopes used for cutting-edge astronomical research in Chile.
-
D.
Magellan Clay Telescope
The Magellan Clay Telescope is one of the twin 6.5-meter Magellan telescopes at Las Campanas Observatory in Chile, used for cutting-edge optical and infrared astronomical research.
-
E.
Magellan Telescopes
Magellan Telescopes are a pair of 6.5-meter optical-infrared telescopes at Las Campanas Observatory in Chile, used for cutting-edge astronomical research by an international collaboration.
- F. None of above. chosen
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
European Space Agency mission
ⓘ
astrometry mission ⓘ space telescope ⓘ |
| abbreviation | Gaia ⓘ |
| alsoKnownAs |
Gaia observatory
ⓘ
surface form:
Gaia satellite
Gaia observatory ⓘ
surface form:
Gaia space observatory
|
| catalogueSize | over one billion stars ⓘ |
| countryOfAgency | multinational European ⓘ |
| dataPolicy | public data releases ⓘ |
| dataProduct |
astrophysical parameters of stars
ⓘ
multi-band photometry ⓘ proper motions ⓘ radial velocities ⓘ star positions ⓘ stellar parallaxes ⓘ |
| dataRelease |
Gaia Data Release 1
ⓘ
Gaia Data Release 2 ⓘ Gaia Data Release 3 ⓘ Gaia Early Data Release 3 ⓘ |
| designLifetime | 5 years ⓘ |
| fieldOfView | two fields of view separated by a basic angle of about 106.5 degrees ⓘ |
| fundingAgency | European Space Agency ⓘ |
| groundSegment | Gaia Data Processing and Analysis Consortium ⓘ |
| instrument |
astrometric instrument
ⓘ
photometric instrument ⓘ radial-velocity spectrometer ⓘ |
| launchCountry | France ⓘ |
| launchDate | 2013-12-19 ⓘ |
| launchLocation |
Kourou
ⓘ
surface form:
Kourou, French Guiana
|
| launchSite | Guiana Space Centre ⓘ |
| launchVehicle |
Soyuz rocket
ⓘ
surface form:
Soyuz-STB
|
| missionExtension | approved beyond nominal lifetime ⓘ |
| missionType |
astrometry
ⓘ
space observatory ⓘ |
| namedAfter | Gaia ⓘ |
| operator | European Space Agency ⓘ |
| orbitAround |
Sun–Earth L2
ⓘ
surface form:
Sun–Earth L2 Lagrange point
|
| orbitType | Lissajous orbit ⓘ |
| parallaxAccuracy | tens of microarcseconds for bright stars ⓘ |
| predecessor | Hipparcos satellite ⓘ |
| primaryGoal |
create a precise three-dimensional map of the Milky Way
ⓘ
measure positions, distances, and motions of stars ⓘ |
| rotationPeriod | about 6 hours ⓘ |
| scanningLaw | continuous sky-scanning rotation ⓘ |
| scienceObjective |
detect and characterize variable stars
ⓘ
detect exoplanets via astrometry ⓘ discover and characterize asteroids and Solar System objects ⓘ study formation history of the Milky Way ⓘ study kinematics of the Milky Way ⓘ study structure of the Milky Way ⓘ test general relativity through precise astrometry ⓘ |
| spacecraftBus | custom ESA design ⓘ |
| targetGalaxy | Milky Way ⓘ |
| telescopeType | dual-telescope system ⓘ |
| wavelengthRange |
near-infrared
ⓘ
optical ⓘ |
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 observatory Description of subject: 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.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Gaia spacecraft
this entity surface form:
Gaia (with ESA)
this entity surface form:
Gaia spacecraft
this entity surface form:
Gaia space observatory
this entity surface form:
Gaia satellite
this entity surface form:
Gaia spacecraft
this entity surface form:
Gaia spacecraft
this entity surface form:
Gaia mission
this entity surface form:
Gaia mission
this entity surface form:
Gaia mission
subject surface form:
Sun–Earth L2
this entity surface form:
Gaia space observatory
this entity surface form:
Gaia spacecraft
this entity surface form:
Gaia mission
this entity surface form:
Gaia space telescope
this entity surface form:
ESA Gaia mission
this entity surface form:
Gaia mission
this entity surface form:
Gaia mission
this entity surface form:
Gaia mission
this entity surface form:
Gaia spacecraft
this entity surface form:
Gaia mission