Alpha Tucanae
E492364
Alpha Tucanae is the brightest star in the southern constellation Tucana, visible to the naked eye and used as a reference point in that region of the sky.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Alpha Tucanae canonical | 4 |
| Alpha Tucanae B | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5089076 — 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 Tucanae Context triple: [Tucana, contains, Alpha Tucanae]
-
A.
Volans
Volans is a small southern sky constellation representing a flying fish, located near the Large Magellanic Cloud.
-
B.
Orneta
Orneta is a small historic town in northern Poland known for its medieval architecture and location within the picturesque Warmian-Masurian region.
-
C.
Quitu
Quitu were an indigenous pre-Inca people of the Andean region, associated with the area around present-day Quito in Ecuador.
-
D.
Apollo Loxias
Apollo Loxias is an epithet of the Greek god Apollo emphasizing his role as an oracular deity whose prophetic messages are often ambiguous or obscure.
-
E.
AeroGaviota
AeroGaviota is a Cuban airline that primarily serves domestic and tourist-oriented routes, often connecting major hubs like Havana with resort and regional destinations across the country.
- 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 Tucanae Target entity description: Alpha Tucanae is the brightest star in the southern constellation Tucana, visible to the naked eye and used as a reference point in that region of the sky.
-
A.
Volans
Volans is a small southern sky constellation representing a flying fish, located near the Large Magellanic Cloud.
-
B.
Orneta
Orneta is a small historic town in northern Poland known for its medieval architecture and location within the picturesque Warmian-Masurian region.
-
C.
Quitu
Quitu were an indigenous pre-Inca people of the Andean region, associated with the area around present-day Quito in Ecuador.
-
D.
Apollo Loxias
Apollo Loxias is an epithet of the Greek god Apollo emphasizing his role as an oracular deity whose prophetic messages are often ambiguous or obscure.
-
E.
AeroGaviota
AeroGaviota is a Cuban airline that primarily serves domestic and tourist-oriented routes, often connecting major hubs like Havana with resort and regional destinations across the country.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
star
ⓘ
stellar companion ⓘ |
| absoluteMagnitudeV | about −0.3 ⓘ |
| age_Gyr | about 1.2 ⓘ |
| apparentMagnitudeV | 2.86 ⓘ |
| BayerDesignation |
Alpha Tucanae
ⓘ
α Tucanae ⓘ |
| belongsTo | Milky Way ⓘ |
| binaryType | visual binary ⓘ |
| brightnessRankInTucana | brightest star in Tucana ⓘ |
| celestialLatitude | approximately −64 degrees ⓘ |
| celestialLongitude | approximately 23 degrees ⓘ |
| colorIndexBminusV | +1.35 ⓘ |
| constellation | Tucana ⓘ |
| declination | −60° 15′ ⓘ |
| distanceFromEarth_ly | about 199 light-years ⓘ |
| distanceFromEarth_pc | about 61 parsecs ⓘ |
| effectiveTemperature_K | about 4300 ⓘ |
| evolutionaryStage | red giant branch ⓘ |
| FlamsteedDesignation | none ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasColor | orange ⓘ |
| hasCompanion |
Alpha Tucanae B
ⓘ
linked to:
Alpha Tucanae
|
| isLocatedIn | southern celestial hemisphere ⓘ |
| isPartOf | constellation Tucana ⓘ |
| isUsedIn | celestial navigation in southern skies ⓘ |
| isVisibleTo | naked eye ⓘ |
| luminosity_solar | about 400 ⓘ |
| mass_solar | about 2.5 ⓘ |
| metallicity_FeH | near solar ⓘ |
| notableFor |
being the brightest star in Tucana
ⓘ
its prominent orange hue ⓘ |
| parallax_mas | about 16.4 ⓘ |
| properMotionDec_masPerYr | −12 ⓘ |
| properMotionRA_masPerYr | +88 ⓘ |
| radialVelocity_kmPerSec | about +13 ⓘ |
| radius_solar | about 37 ⓘ |
| rightAscension | 22h 18m ⓘ |
| SIMBADIdentifier | alf Tuc ⓘ |
| spectralClass | K-type giant ⓘ |
| spectralType |
F-type main-sequence star
ⓘ
K3III ⓘ |
| usedAs | reference point in constellation Tucana ⓘ |
| visibility | best seen from southern latitudes ⓘ |
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 Tucanae Description of subject: Alpha Tucanae is the brightest star in the southern constellation Tucana, visible to the naked eye and used as a reference point in that region of the sky.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
constellation Tucana
subject linked to:
constellation Tucana
linked to: Alpha Tucanae