Altair
E572585
Altair is a bright, nearby A-type main-sequence star in the constellation Aquila and one of the three stars forming the prominent Summer Triangle asterism.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Altair canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6174859 — 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: Altair Context triple: [Northern Celestial Hemisphere, contains, Altair]
-
A.
Antares
Antares is a bright red supergiant star, one of the largest and most luminous visible to the naked eye, located in the constellation Scorpius.
-
B.
Antares
Antares was the Lunar Module used in NASA’s Apollo 14 mission to land astronauts on the Moon in 1971.
-
C.
Alcyone
Alcyone is one of the Pleiades in Greek mythology, a daughter of the Titan Atlas and often associated with the star cluster of the same name.
-
D.
Astra Planeta
Astra Planeta are the personified star and planet deities of ancient Greek mythology, often depicted as radiant celestial gods associated with the night sky.
-
E.
Varuna
Varuna is a large, rapidly rotating trans-Neptunian object in the Kuiper Belt, notable for its elongated shape and classification as a likely dwarf-planet candidate.
- 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: Altair Target entity description: Altair is a bright, nearby A-type main-sequence star in the constellation Aquila and one of the three stars forming the prominent Summer Triangle asterism.
-
A.
Antares
Antares is a bright red supergiant star, one of the largest and most luminous visible to the naked eye, located in the constellation Scorpius.
-
B.
Antares
Antares was the Lunar Module used in NASA’s Apollo 14 mission to land astronauts on the Moon in 1971.
-
C.
Alcyone
Alcyone is one of the Pleiades in Greek mythology, a daughter of the Titan Atlas and often associated with the star cluster of the same name.
-
D.
Astra Planeta
Astra Planeta are the personified star and planet deities of ancient Greek mythology, often depicted as radiant celestial gods associated with the night sky.
-
E.
Varuna
Varuna is a large, rapidly rotating trans-Neptunian object in the Kuiper Belt, notable for its elongated shape and classification as a likely dwarf-planet candidate.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
A-type main-sequence star
ⓘ
rapidly rotating star ⓘ star ⓘ |
| age_Gyr | 1.2 ⓘ |
| apparentMagnitudeV | 0.77 ⓘ |
| bayerDesignation | Alpha Aquilae NERFINISHED ⓘ |
| belongsToAsterism | Summer Triangle NERFINISHED ⓘ |
| colorIndexBMinusV | 0.22 ⓘ |
| constellation | Aquila NERFINISHED ⓘ |
| declination_J2000 | +08°52′06″ ⓘ |
| distanceFromEarth_ly | 16.7 ⓘ |
| distanceFromEarth_pc | 5.13 ⓘ |
| effectiveTemperature_K | 7550 ⓘ |
| equatorialCoordinatesEpoch | J2000.0 ⓘ |
| equatorialToPolarRadiusRatio | ~1.25 ⓘ |
| flamsteedDesignation | 53 Aquilae ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasExoplanetsDetected | no confirmed planets as of 2024 ⓘ |
| hasProperName | Altair NERFINISHED ⓘ |
| hdNumber | HD 187642 NERFINISHED ⓘ |
| hemisphereProminence | northern summer sky ⓘ |
| hipparcosNumber | HIP 97649 NERFINISHED ⓘ |
| hrNumber | HR 7557 NERFINISHED ⓘ |
| isBrightStar | true ⓘ |
| luminosity_solar | 10.6 ⓘ |
| mass_solar | 1.8 ⓘ |
| metallicity_FeH | −0.24 ⓘ |
| nameEtymology | from Arabic "al-nasr al-ṭāʼir" meaning "the flying eagle" ⓘ |
| notableFeature | first main-sequence star whose surface was imaged interferometrically ⓘ |
| oblateness | significant ⓘ |
| observedBy |
CHARA Array
NERFINISHED
ⓘ
Hipparcos satellite NERFINISHED ⓘ Very Large Telescope Interferometer NERFINISHED ⓘ |
| otherComponentOf |
Deneb
NERFINISHED
ⓘ
Summer Triangle NERFINISHED ⓘ Vega NERFINISHED ⓘ |
| partOf | Summer Triangle NERFINISHED ⓘ |
| projectedRotationalVelocity_kmPerS | ~240 ⓘ |
| radius_solar_equatorial | 1.9 ⓘ |
| radius_solar_polar | 1.6 ⓘ |
| rankByBrightness | among 20 brightest stars in night sky ⓘ |
| rightAscension_J2000 | 19h50m47s ⓘ |
| rotationPeriod_hours | ~9 ⓘ |
| spectralType | A7 V ⓘ |
| traditionalAssociation | Eagle ⓘ |
| variabilityType | mild, not a major variable star ⓘ |
| visibleFrom |
Northern Hemisphere
NERFINISHED
ⓘ
Southern Hemisphere NERFINISHED ⓘ |
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: Altair Description of subject: Altair is a bright, nearby A-type main-sequence star in the constellation Aquila and one of the three stars forming the prominent Summer Triangle asterism.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.