Fomalhaut
E872564
Fomalhaut is a bright, nearby A-type main-sequence star surrounded by a prominent debris disk and located in the constellation Piscis Austrinus.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fomalhaut canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T10586459 — 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: Fomalhaut Context triple: [Piscis Austrinus, contains, Fomalhaut]
-
A.
Theta Eridani
Theta Eridani is a bright binary star system in the constellation Eridanus, visible to the naked eye and often used as a reference point in the southern sky.
-
B.
Alpha Eridani
Alpha Eridani, traditionally known as Achernar, is a bright, rapidly rotating blue-white star marking the southern end of the constellation Eridanus.
-
C.
Beta Eridani
Beta Eridani, traditionally known as Cursa, is a bright blue-white giant star in the constellation Eridanus visible to the naked eye.
-
D.
Achernar
Achernar is a bright, rapidly rotating blue-white star and the ninth-brightest star in the night sky, marking the end of the constellation Eridanus.
-
E.
Tau Canis Majoris
Tau Canis Majoris is a very luminous, massive blue-white multiple star system located in the constellation Canis Major and is one of the brightest members of the open cluster NGC 2362.
- 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: Fomalhaut Target entity description: Fomalhaut is a bright, nearby A-type main-sequence star surrounded by a prominent debris disk and located in the constellation Piscis Austrinus.
-
A.
Theta Eridani
Theta Eridani is a bright binary star system in the constellation Eridanus, visible to the naked eye and often used as a reference point in the southern sky.
-
B.
Alpha Eridani
Alpha Eridani, traditionally known as Achernar, is a bright, rapidly rotating blue-white star marking the southern end of the constellation Eridanus.
-
C.
Beta Eridani
Beta Eridani, traditionally known as Cursa, is a bright blue-white giant star in the constellation Eridanus visible to the naked eye.
-
D.
Achernar
Achernar is a bright, rapidly rotating blue-white star and the ninth-brightest star in the night sky, marking the end of the constellation Eridanus.
-
E.
Tau Canis Majoris
Tau Canis Majoris is a very luminous, massive blue-white multiple star system located in the constellation Canis Major and is one of the brightest members of the open cluster NGC 2362.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
A-type star
ⓘ
main-sequence star ⓘ star ⓘ |
| absoluteMagnitude | 1.72 ⓘ |
| age_Myr | 440 ⓘ |
| apparentMagnitude | 1.16 ⓘ |
| bayerDesignation | Alpha Piscis Austrini NERFINISHED ⓘ |
| belongsTo | Milky Way NERFINISHED ⓘ |
| companionDesignation |
Fomalhaut B
NERFINISHED
ⓘ
Fomalhaut C NERFINISHED ⓘ |
| constellation | Piscis Austrinus NERFINISHED ⓘ |
| culturalName | Southern Fish NERFINISHED ⓘ |
| debrisDiskInclination_deg | 66 ⓘ |
| debrisDiskRadius_AU | 140 ⓘ |
| debrisDiskType | circumstellar debris disk ⓘ |
| declination | −29° 37′ 20″ ⓘ |
| distanceFromEarth_ly | 25 ⓘ |
| distanceFromEarth_pc | 7.7 ⓘ |
| effectiveTemperature_K | 8590 ⓘ |
| exoplanetCandidate | Fomalhaut b NERFINISHED ⓘ |
| flamsteedDesignation | 24 Piscis Austrini NERFINISHED ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasDebrisDisk | true ⓘ |
| hasExoplanetCandidate | true ⓘ |
| hasInfraredExcess | true ⓘ |
| hasProperMotion | true ⓘ |
| hasStellarCompanion |
LP 876-10
NERFINISHED
ⓘ
TW Piscis Austrini NERFINISHED ⓘ |
| isBrightestStarIn | Piscis Austrinus NERFINISHED ⓘ |
| isOneOf | nearest bright stars ⓘ |
| isPartOf | Fomalhaut triple star system ⓘ |
| isVisibleToNakedEye | true ⓘ |
| luminosity_solar | 16 ⓘ |
| mass_solar | 1.9 ⓘ |
| metallicity_Fe_H | −0.03 ⓘ |
| nameOrigin | Arabic phrase fam al-ḥūt meaning mouth of the fish ⓘ |
| notableFor |
nearby bright A-type main-sequence star
ⓘ
prominent debris disk ⓘ |
| otherDesignation |
HD 216956
NERFINISHED
ⓘ
HIP 113368 NERFINISHED ⓘ HR 8728 NERFINISHED ⓘ |
| properMotionDec_mas_per_yr | −164.67 ⓘ |
| properMotionRA_mas_per_yr | 329.95 ⓘ |
| radialVelocity_km_s | 6.5 ⓘ |
| radius_solar | 1.8 ⓘ |
| rightAscension | 22h 57m 39.0s ⓘ |
| spectralType | A3 V ⓘ |
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: Fomalhaut Description of subject: Fomalhaut is a bright, nearby A-type main-sequence star surrounded by a prominent debris disk and located in the constellation Piscis Austrinus.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.