VERA (VLBI Exploration of Radio Astrometry)
E665996
VERA (VLBI Exploration of Radio Astrometry) is a Japanese very long baseline interferometry project that uses a network of radio telescopes to measure stellar positions and motions in the Milky Way with extremely high precision.
All labels observed (1)
| Label | Occurrences |
|---|---|
| VERA (VLBI Exploration of Radio Astrometry) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7459277 — 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: VERA (VLBI Exploration of Radio Astrometry) Context triple: [NAOJ, participatesIn, VERA (VLBI Exploration of Radio Astrometry)]
-
A.
International VLBI Service for Geodesy and Astrometry
The International VLBI Service for Geodesy and Astrometry is an international organization that coordinates Very Long Baseline Interferometry observations to provide precise measurements of Earth’s rotation, reference frames, and celestial positions.
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B.
VENUS observatory
VENUS observatory is an underwater cabled ocean observatory off the coast of British Columbia that provides real-time data for oceanographic and marine research.
-
C.
space VLBI
Space VLBI is a radio astronomy technique that extends very long baseline interferometry by placing one or more antennas in space to achieve extremely high angular resolution beyond the limits of Earth-based arrays.
-
D.
Atacama Pathfinder Experiment
The Atacama Pathfinder Experiment is a submillimeter-wavelength radio telescope located in Chile’s Atacama Desert, used for studying cold gas and dust in the universe.
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E.
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.
- 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: VERA (VLBI Exploration of Radio Astrometry) Target entity description: VERA (VLBI Exploration of Radio Astrometry) is a Japanese very long baseline interferometry project that uses a network of radio telescopes to measure stellar positions and motions in the Milky Way with extremely high precision.
-
A.
International VLBI Service for Geodesy and Astrometry
The International VLBI Service for Geodesy and Astrometry is an international organization that coordinates Very Long Baseline Interferometry observations to provide precise measurements of Earth’s rotation, reference frames, and celestial positions.
-
B.
VENUS observatory
VENUS observatory is an underwater cabled ocean observatory off the coast of British Columbia that provides real-time data for oceanographic and marine research.
-
C.
space VLBI
Space VLBI is a radio astronomy technique that extends very long baseline interferometry by placing one or more antennas in space to achieve extremely high angular resolution beyond the limits of Earth-based arrays.
-
D.
Atacama Pathfinder Experiment
The Atacama Pathfinder Experiment is a submillimeter-wavelength radio telescope located in Chile’s Atacama Desert, used for studying cold gas and dust in the universe.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
radio astronomy instrument
ⓘ
very long baseline interferometry project ⓘ |
| abbreviation | VERA NERFINISHED ⓘ |
| affiliation | Mizusawa VLBI Observatory NERFINISHED ⓘ |
| baselineLength | up to about 2300 kilometers ⓘ |
| capability | microarcsecond-level astrometric precision ⓘ |
| collaboratesWith |
KVN
NERFINISHED
ⓘ
VLBA NERFINISHED ⓘ |
| country | Japan ⓘ |
| dataProduct |
astrometric catalogs of maser sources
ⓘ
parallax measurements ⓘ proper motion measurements ⓘ |
| designedFor | high-precision Galactic astrometry ⓘ |
| field |
astrometry
ⓘ
radio astronomy ⓘ |
| fullName | VLBI Exploration of Radio Astrometry NERFINISHED ⓘ |
| fundingCountry | Japan NERFINISHED ⓘ |
| goal | construct a three-dimensional map of the Milky Way ⓘ |
| hasObservationMode | phase-referenced VLBI ⓘ |
| hasTelescope |
VERA Iriki station
NERFINISHED
ⓘ
VERA Ishigakijima station NERFINISHED ⓘ VERA Mizusawa station NERFINISHED ⓘ VERA Ogasawara station NERFINISHED ⓘ |
| keyMethod | dual-beam VLBI system ⓘ |
| locationCountry | Japan NERFINISHED ⓘ |
| observatoryType | radio interferometric array ⓘ |
| observesFrequencyBand |
22 GHz
ⓘ
43 GHz ⓘ |
| observesObjectType |
Galactic center sources
ⓘ
evolved stars ⓘ maser sources ⓘ star-forming regions ⓘ |
| operator | National Astronomical Observatory of Japan NERFINISHED ⓘ |
| partOf | Japanese VLBI Network NERFINISHED ⓘ |
| primaryScienceRegion | Milky Way Galaxy NERFINISHED ⓘ |
| purpose |
determine distances in the Milky Way
ⓘ
measure stellar positions in the Milky Way ⓘ measure stellar proper motions in the Milky Way ⓘ |
| relatedProject |
Gaia
NERFINISHED
ⓘ
JASMINE NERFINISHED ⓘ |
| scientificContribution |
constraints on the distance to the Galactic center
ⓘ
determination of Galactic rotation parameters ⓘ mapping of spiral arm structure of the Milky Way ⓘ measurement of trigonometric parallaxes in the Milky Way ⓘ |
| startOfOperations | early 2000s ⓘ |
| telescopeCount | 4 ⓘ |
| telescopeDiameter | 20 meters ⓘ |
| usesTechnique | very long baseline interferometry ⓘ |
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: VERA (VLBI Exploration of Radio Astrometry) Description of subject: VERA (VLBI Exploration of Radio Astrometry) is a Japanese very long baseline interferometry project that uses a network of radio telescopes to measure stellar positions and motions in the Milky Way with extremely high precision.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.