Okayama Astrophysical Observatory
E674291
Okayama Astrophysical Observatory is a major Japanese astronomical research facility known for its optical and infrared telescopes used to study stars, exoplanets, and other celestial objects.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Okayama Astrophysical Observatory canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7459270 — 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: Okayama Astrophysical Observatory Context triple: [NAOJ, operates, Okayama Astrophysical Observatory]
-
A.
Tokyo Astronomical Observatory
Tokyo Astronomical Observatory was a major Japanese astronomical research institution that served as the forerunner to the modern National Astronomical Observatory of Japan.
-
B.
Nobeyama Radio Observatory
Nobeyama Radio Observatory is a major Japanese radio astronomy facility in Nagano Prefecture known for its millimeter and submillimeter wavelength observations of the universe.
-
C.
Yunohira Observatory
Yunohira Observatory is a popular viewing platform on Sakurajima in Kagoshima, Japan, offering close-up views of the active volcano and its surrounding landscape.
-
D.
East Asian Observatory
The East Asian Observatory is an international astronomical research organization established by East Asian partners to operate and develop major observatory facilities, particularly in submillimeter and radio astronomy.
-
E.
NAOJ
NAOJ (National Astronomical Observatory of Japan) is Japan’s leading national research institute for astronomy, operating major observatories and contributing to international projects in ground-based and space-based astronomy.
- 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: Okayama Astrophysical Observatory Target entity description: Okayama Astrophysical Observatory is a major Japanese astronomical research facility known for its optical and infrared telescopes used to study stars, exoplanets, and other celestial objects.
-
A.
Tokyo Astronomical Observatory
Tokyo Astronomical Observatory was a major Japanese astronomical research institution that served as the forerunner to the modern National Astronomical Observatory of Japan.
-
B.
Nobeyama Radio Observatory
Nobeyama Radio Observatory is a major Japanese radio astronomy facility in Nagano Prefecture known for its millimeter and submillimeter wavelength observations of the universe.
-
C.
Yunohira Observatory
Yunohira Observatory is a popular viewing platform on Sakurajima in Kagoshima, Japan, offering close-up views of the active volcano and its surrounding landscape.
-
D.
East Asian Observatory
The East Asian Observatory is an international astronomical research organization established by East Asian partners to operate and develop major observatory facilities, particularly in submillimeter and radio astronomy.
-
E.
NAOJ
NAOJ (National Astronomical Observatory of Japan) is Japan’s leading national research institute for astronomy, operating major observatories and contributing to international projects in ground-based and space-based astronomy.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory
ⓘ
research institute ⓘ |
| affiliation |
National Astronomical Observatory of Japan
NERFINISHED
ⓘ
University of Tokyo NERFINISHED ⓘ |
| alsoKnownAs | OAO NERFINISHED ⓘ |
| continent | Asia ⓘ |
| contributesTo |
exoplanet surveys
ⓘ
stellar catalogues ⓘ |
| country | Japan ⓘ |
| established | 1960 ⓘ |
| formerOperator | Tokyo Astronomical Observatory NERFINISHED ⓘ |
| hasFacility |
CCD camera
ⓘ
photometer ⓘ spectrograph ⓘ |
| hasMajorInstrument |
188 cm optical telescope
ⓘ
Okayama 188 cm Reflector NERFINISHED ⓘ |
| hasObservationBand |
near-infrared
ⓘ
visible light ⓘ |
| hasTelescopeType |
infrared telescope
ⓘ
optical telescope ⓘ |
| isPartOf | Japanese national observatory network NERFINISHED ⓘ |
| languageOfWork | Japanese ⓘ |
| location | Okayama Prefecture NERFINISHED ⓘ |
| notableFor |
exoplanet research using radial velocity methods
ⓘ
optical and infrared observations of stars ⓘ |
| observes |
exoplanets
ⓘ
galaxies ⓘ nebulae ⓘ star clusters ⓘ stars ⓘ |
| operator | National Astronomical Observatory of Japan NERFINISHED ⓘ |
| ownedBy | National Astronomical Observatory of Japan NERFINISHED ⓘ |
| primaryResearchField |
astronomy
ⓘ
astrophysics ⓘ |
| researchFocus |
exoplanet detection
ⓘ
interstellar medium ⓘ stellar evolution ⓘ stellar spectroscopy ⓘ variable stars ⓘ |
| researchMethod |
infrared photometry
ⓘ
optical spectroscopy ⓘ |
| telescopeAperture | 188 cm ⓘ |
| telescopeType | Cassegrain reflector ⓘ |
| usedFor |
instrument development
ⓘ
observational astronomy ⓘ professional astronomical research ⓘ |
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: Okayama Astrophysical Observatory Description of subject: Okayama Astrophysical Observatory is a major Japanese astronomical research facility known for its optical and infrared telescopes used to study stars, exoplanets, and other celestial objects.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.