Akari (infrared satellite)
E313688
Akari (infrared satellite) was a Japanese infrared astronomy space telescope that conducted an all-sky survey to study celestial objects from the near- to far-infrared wavelengths.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Akari (infrared satellite) canonical | 2 |
| Far-Infrared Surveyor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2962666 — 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: Akari (infrared satellite) Context triple: [NASA/IPAC Infrared Science Archive, missionArchiveFor, Akari (infrared satellite)]
-
A.
Aqua satellite
Aqua is a NASA Earth observation satellite focused on studying the planet’s water cycle, including oceans, atmosphere, and ice.
-
B.
Himawari meteorological satellites
The Himawari meteorological satellites are a series of Japanese geostationary weather satellites that provide continuous, high-resolution monitoring of weather and environmental conditions over the Asia-Pacific region.
-
C.
ANIK C2 communications satellite
ANIK C2 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting services.
-
D.
Terra satellite
Terra is a flagship NASA Earth observation satellite that carries multiple instruments to monitor the planet’s climate, land, oceans, and atmosphere from polar orbit.
-
E.
IRS-1C
IRS-1C is an Indian remote sensing satellite in the IRS series used primarily for Earth observation and resource monitoring.
- 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: Akari (infrared satellite) Target entity description: Akari (infrared satellite) was a Japanese infrared astronomy space telescope that conducted an all-sky survey to study celestial objects from the near- to far-infrared wavelengths.
-
A.
Aqua satellite
Aqua is a NASA Earth observation satellite focused on studying the planet’s water cycle, including oceans, atmosphere, and ice.
-
B.
Himawari meteorological satellites
The Himawari meteorological satellites are a series of Japanese geostationary weather satellites that provide continuous, high-resolution monitoring of weather and environmental conditions over the Asia-Pacific region.
-
C.
ANIK C2 communications satellite
ANIK C2 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting services.
-
D.
Terra satellite
Terra is a flagship NASA Earth observation satellite that carries multiple instruments to monitor the planet’s climate, land, oceans, and atmosphere from polar orbit.
-
E.
IRS-1C
IRS-1C is an Indian remote sensing satellite in the IRS series used primarily for Earth observation and resource monitoring.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical satellite
ⓘ
infrared space telescope ⓘ space observatory ⓘ |
| alternativeName |
ASTRO-F
ⓘ
Akari (infrared satellite) ⓘ |
| catalogDesignation | AKARI All-Sky Survey ⓘ |
| collaboratingAgency |
ESA
ⓘ
European Space Agency ⓘ |
| coolingMethod |
liquid helium cryogen
ⓘ
mechanical cryocoolers ⓘ |
| countryOfOrigin | Japan ⓘ |
| dataProduct | all-sky infrared source catalogues ⓘ |
| dataUsage |
Galactic astronomy
ⓘ
cosmology ⓘ extragalactic astronomy ⓘ |
| endOfHeliumCryogen | 2007-08 ⓘ |
| fieldOfStudy |
astrophysics
ⓘ
infrared astronomy ⓘ |
| inclination | approximately 98 degrees ⓘ |
| launchCountry | Japan ⓘ |
| launchDate | 2006-02-21 ⓘ |
| launchSite | Uchinoura Space Center ⓘ |
| launchVehicle |
M-V rocket
ⓘ
surface form:
M-V-8 rocket
|
| missionEnd | 2011-11 ⓘ |
| missionType | infrared astronomy ⓘ |
| namedAfter | Japanese word for light ⓘ |
| onboardInstrument |
Akari (infrared satellite)
self-linksurface differs
ⓘ
surface form:
Far-Infrared Surveyor
Infrared Camera ⓘ |
| operator |
Japan Aerospace Exploration Agency
ⓘ
surface form:
JAXA
Japan Aerospace Exploration Agency ⓘ |
| orbitalPeriod | approximately 100 minutes ⓘ |
| orbitRegime | low Earth orbit ⓘ |
| orbitType | Sun-synchronous orbit ⓘ |
| predecessor |
Infrared Astronomical Satellite
ⓘ
surface form:
IRAS
|
| primaryObjective | all-sky infrared survey ⓘ |
| scientificGoal |
study of circumstellar dust
ⓘ
study of galaxy evolution ⓘ study of interstellar medium ⓘ study of solar system objects ⓘ study of star formation ⓘ |
| status | mission completed ⓘ |
| successor | WISE ⓘ |
| surveyType |
all-sky survey
ⓘ
pointed observations ⓘ |
| telescopeAperture | 68.5 cm ⓘ |
| wavelengthCoverage |
far-infrared
ⓘ
mid-infrared ⓘ near-infrared ⓘ |
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: Akari (infrared satellite) Description of subject: Akari (infrared satellite) was a Japanese infrared astronomy space telescope that conducted an all-sky survey to study celestial objects from the near- to far-infrared wavelengths.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Akari
Akari (infrared satellite)
→
onboardInstrument
→
Akari (infrared satellite)
self-linksurface differs
ⓘ
subject surface form:
Akari
this entity surface form:
Far-Infrared Surveyor