Gaia Early Data Release 3
E402472
Gaia Early Data Release 3 is an intermediate catalog from the ESA Gaia mission providing highly precise astrometric and photometric measurements for over a billion stars in the Milky Way.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Gaia Early Data Release 3 canonical | 4 |
| Gaia DR3 source star | 1 |
| Gaia EDR3 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3894436 — 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 Early Data Release 3 Context triple: [Gaia observatory, dataRelease, Gaia Early Data Release 3]
-
A.
Gaia Data Release 2
Gaia Data Release 2 is a major catalog from the ESA Gaia mission providing precise positions, parallaxes, proper motions, and photometry for over a billion stars in the Milky Way.
-
B.
Gaia Data Release 1
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.
-
C.
Gaia Data Processing and Analysis Consortium
The Gaia Data Processing and Analysis Consortium is the international scientific collaboration responsible for processing, calibrating, and analyzing the vast astrometric and photometric data collected by ESA’s Gaia space mission.
-
D.
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.
-
E.
OGLE-I survey
The OGLE-I survey was the first phase of the Optical Gravitational Lensing Experiment, a pioneering astronomical project that monitored millions of stars to detect gravitational microlensing events and study variable stars in the Milky Way.
- 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 Early Data Release 3 Target entity description: Gaia Early Data Release 3 is an intermediate catalog from the ESA Gaia mission providing highly precise astrometric and photometric measurements for over a billion stars in the Milky Way.
-
A.
Gaia Data Release 2
Gaia Data Release 2 is a major catalog from the ESA Gaia mission providing precise positions, parallaxes, proper motions, and photometry for over a billion stars in the Milky Way.
-
B.
Gaia Data Release 1
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.
-
C.
Gaia Data Processing and Analysis Consortium
The Gaia Data Processing and Analysis Consortium is the international scientific collaboration responsible for processing, calibrating, and analyzing the vast astrometric and photometric data collected by ESA’s Gaia space mission.
-
D.
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.
-
E.
OGLE-I survey
The OGLE-I survey was the first phase of the Optical Gravitational Lensing Experiment, a pioneering astronomical project that monitored millions of stars to detect gravitational microlensing events and study variable stars in the Milky Way.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Gaia mission data release
ⓘ
astronomical catalog ⓘ star catalog ⓘ |
| alternateName |
Gaia EDR3
ⓘ
linked to:
Gaia Early Data Release 3
|
| approximateNumberOfSources |
1.8 billion
ⓘ
1800000000 ⓘ |
| contains |
BP photometry
ⓘ
RP photometry ⓘ astrometric data ⓘ broadband G photometry ⓘ five-parameter astrometric solutions ⓘ mean magnitudes ⓘ parallaxes ⓘ photometric data ⓘ positions ⓘ proper motions ⓘ two-parameter astrometric solutions ⓘ |
| coordinateSystem |
ICRS
ⓘ
linked to:
International Celestial Reference System
|
| covers |
Local Group stars
ⓘ
Milky Way ⓘ quasars ⓘ solar system objects ⓘ |
| dataAccessService |
ESA Gaia Archive
ⓘ
ESA Gaia Archive Plus ⓘ
linked to:
ESA Gaia Archive
|
| dataCollectionPeriodEnd | 2017-05-28 ⓘ |
| dataCollectionPeriodStart | 2014-07-25 ⓘ |
| dataFormat |
FITS
ⓘ
VOTable ⓘ |
| follows | Gaia Data Release 2 ⓘ |
| hasMeanParallaxUncertaintyAtG15 | ~0.02 milliarcseconds ⓘ |
| hasMeanParallaxUncertaintyAtG20 | ~0.5 milliarcseconds ⓘ |
| hasMeanProperMotionUncertaintyAtG15 | ~0.02 milliarcseconds per year ⓘ |
| hasMeanProperMotionUncertaintyAtG20 | ~0.5 milliarcseconds per year ⓘ |
| improvesUpon |
Gaia Data Release 2 astrometry
ⓘ
linked to:
Gaia Data Release 2
Gaia Data Release 2 photometry ⓘ
linked to:
Gaia Data Release 2
|
| language | English ⓘ |
| mainPublication | Gaia Collaboration 2021 A&A EDR3 overview paper ⓘ |
| mission | Gaia ⓘ |
| operator |
ESA
ⓘ
European Space Agency ⓘ |
| partOf |
Gaia mission
ⓘ
linked to:
Gaia observatory
|
| precedes | Gaia Data Release 3 ⓘ |
| provides | all-sky coverage ⓘ |
| publicationDate | 2020-12-03 ⓘ |
| purpose |
Galactic structure studies
ⓘ
astrometry of Milky Way stars ⓘ distance scale calibration ⓘ stellar kinematics studies ⓘ |
| referenceEpoch | J2016.0 ⓘ |
| timeBaseline | 34 months ⓘ |
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 Early Data Release 3 Description of subject: Gaia Early Data Release 3 is an intermediate catalog from the ESA Gaia mission providing highly precise astrometric and photometric measurements for over a billion stars in the Milky Way.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Gaia Early Data Release 3
linked to: Gaia Early Data Release 3