Pi Tucanae
E503292
Pi Tucanae is a star located in the southern constellation Tucana.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Pi Tucanae canonical | 3 |
| Pi Tuc | 1 |
| π Tucanae | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5089082 — 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: Pi Tucanae Context triple: [Tucana, contains, Pi Tucanae]
-
A.
Kappa Tucanae
Kappa Tucanae is a star system located in the southern constellation Tucana.
-
B.
Gamma Tucanae
Gamma Tucanae is a star in the southern constellation Tucana, visible to the naked eye and used as a reference point in that region of the sky.
-
C.
Beta Tucanae
Beta Tucanae is a multiple star system in the southern constellation Tucana, visible to the naked eye and notable for its bright, closely spaced stellar components.
-
D.
Eta Serpentis
Eta Serpentis is a bright K-type giant star located in the tail region of the constellation Serpens.
-
E.
Zeta Tucanae
Zeta Tucanae is a main-sequence F-type star located in the southern constellation Tucana, visible to the naked eye from dark-sky locations.
- 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: Pi Tucanae Target entity description: Pi Tucanae is a star located in the southern constellation Tucana.
-
A.
Kappa Tucanae
Kappa Tucanae is a star system located in the southern constellation Tucana.
-
B.
Gamma Tucanae
Gamma Tucanae is a star in the southern constellation Tucana, visible to the naked eye and used as a reference point in that region of the sky.
-
C.
Beta Tucanae
Beta Tucanae is a multiple star system in the southern constellation Tucana, visible to the naked eye and notable for its bright, closely spaced stellar components.
-
D.
Eta Serpentis
Eta Serpentis is a bright K-type giant star located in the tail region of the constellation Serpens.
-
E.
Zeta Tucanae
Zeta Tucanae is a main-sequence F-type star located in the southern constellation Tucana, visible to the naked eye from dark-sky locations.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf | star ⓘ |
| belongsTo |
Milky Way galaxy
ⓘ
linked to:
Milky Way
|
| celestialHemisphere | southern celestial hemisphere ⓘ |
| constellation | Tucana ⓘ |
| hasApparentMagnitude | visible to small telescopes ⓘ |
| hasBayerDesignation |
Pi Tuc
ⓘ
linked to:
Pi Tucanae
π Tucanae ⓘ
linked to:
Pi Tucanae
|
| hasDeclination | in constellation Tucana region ⓘ |
| hasProperName | Pi Tucanae ⓘ |
| hasRightAscension | in constellation Tucana region ⓘ |
| hasSpectralType | star of spectral class in F–K range (approximate) ⓘ |
| isPartOf | constellation Tucana ⓘ |
| locatedIn | Milky Way ⓘ |
| locatedInConstellation | Tucana ⓘ |
| visibleFrom | Southern Hemisphere ⓘ |
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: Pi Tucanae Description of subject: Pi Tucanae is a star located in the southern constellation Tucana.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.