Alpha Piscis Austrini
E872567
Alpha Piscis Austrini, better known as Fomalhaut, is a bright A-type main-sequence star in the constellation Piscis Austrinus, notable for its prominent debris disk and nearby exoplanetary system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alpha Piscis Austrini canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10586494 — 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: Alpha Piscis Austrini Context triple: [Piscis Austrinus, fomalhautBayerDesignation, Alpha Piscis Austrini]
-
A.
Kappa Crucis
Kappa Crucis is a prominent blue giant star in the southern constellation Crux, notable as a key member of the Jewel Box open star cluster.
-
B.
Epsilon Coronae Australis
Epsilon Coronae Australis is a star located in the southern constellation Corona Australis.
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C.
Alpha Coronae Australis
Alpha Coronae Australis is the brightest star in the southern constellation Corona Australis, visible to the naked eye in the night sky.
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D.
Alpha Ophiuchi
Alpha Ophiuchi, traditionally known as Rasalhague, is the brightest star in the constellation Ophiuchus and a rapidly rotating A-type subgiant located relatively close to Earth.
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E.
Theta Coronae Australis
Theta Coronae Australis is a star located in the southern constellation Corona Australis.
- 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: Alpha Piscis Austrini Target entity description: Alpha Piscis Austrini, better known as Fomalhaut, is a bright A-type main-sequence star in the constellation Piscis Austrinus, notable for its prominent debris disk and nearby exoplanetary system.
-
A.
Kappa Crucis
Kappa Crucis is a prominent blue giant star in the southern constellation Crux, notable as a key member of the Jewel Box open star cluster.
-
B.
Epsilon Coronae Australis
Epsilon Coronae Australis is a star located in the southern constellation Corona Australis.
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C.
Alpha Coronae Australis
Alpha Coronae Australis is the brightest star in the southern constellation Corona Australis, visible to the naked eye in the night sky.
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D.
Alpha Ophiuchi
Alpha Ophiuchi, traditionally known as Rasalhague, is the brightest star in the constellation Ophiuchus and a rapidly rotating A-type subgiant located relatively close to Earth.
-
E.
Theta Coronae Australis
Theta Coronae Australis is a star located in the southern constellation Corona Australis.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
A-type star
ⓘ
main-sequence star ⓘ star ⓘ |
| age_Myr | about 440 ⓘ |
| alsoKnownAs |
Alpha PsA
NERFINISHED
ⓘ
Fomalhaut NERFINISHED ⓘ |
| apparentMagnitudeV | 1.16 ⓘ |
| BayerDesignation | Alpha Piscis Austrini NERFINISHED ⓘ |
| colorIndexBminusV | 0.09 ⓘ |
| constellation | Piscis Austrinus NERFINISHED ⓘ |
| debrisDiskType | circumstellar debris disk ⓘ |
| declination | −29° 37′ 20″ ⓘ |
| distanceFromEarth_ly | about 25 light-years ⓘ |
| distanceFromEarth_pc | about 7.7 parsecs ⓘ |
| dustBeltRadius_AU | about 140 ⓘ |
| effectiveTemperature_K | about 8500 ⓘ |
| exoplanetDetectionMethod | direct imaging ⓘ |
| FlamsteedDesignation | 24 Piscis Austrini NERFINISHED ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasDebrisDisk | true ⓘ |
| hasExoplanetarySystem | true ⓘ |
| hasExoplanetCandidate |
Fomalhaut b
NERFINISHED
ⓘ
Fomalhaut c NERFINISHED ⓘ Fomalhaut d NERFINISHED ⓘ |
| hasRingLikeDustBelt | true ⓘ |
| hasStellarCompanion |
LP 876-10
NERFINISHED
ⓘ
TW Piscis Austrini NERFINISHED ⓘ |
| HDDesignation | HD 216956 NERFINISHED ⓘ |
| HIPDesignation | HIP 113368 NERFINISHED ⓘ |
| hostGalaxy | Milky Way NERFINISHED ⓘ |
| HRDesignation | HR 8728 NERFINISHED ⓘ |
| infraredExcess | present ⓘ |
| isBrightestStarOfConstellation | true ⓘ |
| isNearbyStar | true ⓘ |
| isPartOf | Fomalhaut system NERFINISHED ⓘ |
| isVisibleToNakedEye | true ⓘ |
| luminosity_solar | about 16 ⓘ |
| mass_solar | about 1.9 ⓘ |
| metallicity_Fe_H | slightly sub-solar ⓘ |
| parallax_mas | about 129 ⓘ |
| properMotionDec_mas_yr | about −165 ⓘ |
| properMotionRA_mas_yr | about 329 ⓘ |
| radialVelocity_km_s | about 6 ⓘ |
| radius_solar | about 1.8 ⓘ |
| rightAscension | 22h 57m 39.0s ⓘ |
| rotationalVelocity_km_s | about 93 ⓘ |
| spectralType | A3 V ⓘ |
| systemType | triple star system ⓘ |
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: Alpha Piscis Austrini Description of subject: Alpha Piscis Austrini, better known as Fomalhaut, is a bright A-type main-sequence star in the constellation Piscis Austrinus, notable for its prominent debris disk and nearby exoplanetary system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.