Zeta Centauri
E775122
Zeta Centauri is a bright blue-white giant star in the southern constellation Centaurus, visible to the naked eye from much of the Southern Hemisphere.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Zeta Centauri canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8717101 — 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: Zeta Centauri Context triple: [Centaurus, containsStar, Zeta Centauri]
-
A.
Gamma Centauri
Gamma Centauri is a bright binary star system in the southern constellation Centaurus, visible to the naked eye and notable for its hot, blue-white stellar components.
-
B.
Beta Centauri
Beta Centauri is a bright blue-white multiple star system and one of the most luminous and prominent stars in the southern sky.
-
C.
Delta Centauri
Delta Centauri is a bright blue-white giant star in the southern constellation Centaurus, visible to the naked eye and notable as one of its prominent stellar members.
-
D.
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.
-
E.
Zeta Sagittarii
Zeta Sagittarii is a bright multiple star system in the constellation Sagittarius, forming part of the asterism known as the Teapot.
- 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: Zeta Centauri Target entity description: Zeta Centauri is a bright blue-white giant star in the southern constellation Centaurus, visible to the naked eye from much of the Southern Hemisphere.
-
A.
Gamma Centauri
Gamma Centauri is a bright binary star system in the southern constellation Centaurus, visible to the naked eye and notable for its hot, blue-white stellar components.
-
B.
Beta Centauri
Beta Centauri is a bright blue-white multiple star system and one of the most luminous and prominent stars in the southern sky.
-
C.
Delta Centauri
Delta Centauri is a bright blue-white giant star in the southern constellation Centaurus, visible to the naked eye and notable as one of its prominent stellar members.
-
D.
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.
-
E.
Zeta Sagittarii
Zeta Sagittarii is a bright multiple star system in the constellation Sagittarius, forming part of the asterism known as the Teapot.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | star ⓘ |
| absoluteMagnitudeV | ~−2.9 ⓘ |
| age_Myr | tens of millions of years ⓘ |
| apparentMagnitudeV | 2.55 ⓘ |
| bayerDesignation | ζ Centauri NERFINISHED ⓘ |
| belongsTo | Milky Way NERFINISHED ⓘ |
| color | blue-white ⓘ |
| colorIndexB−V | −0.22 ⓘ |
| constellation | Centaurus NERFINISHED ⓘ |
| declination | −47° 17′ 18″ ⓘ |
| distanceFromEarth_ly | ~380 ⓘ |
| distanceFromEarth_pc | ~116 ⓘ |
| dominantHydrogenLines | Balmer series NERFINISHED ⓘ |
| effectiveTemperature_K | ~20000 ⓘ |
| emits |
ultraviolet radiation
ⓘ
visible light ⓘ |
| equatorialCoordinateEpoch | J2000 ⓘ |
| evolutionaryStage | subgiant or giant ⓘ |
| flamsteedDesignation | 3 Centauri NERFINISHED ⓘ |
| galacticLatitude_deg | ~+13 ⓘ |
| galacticLongitude_deg | ~311 ⓘ |
| hasCompanions | possible ⓘ |
| hasNakedEyeVisibilityFrom |
Australia
NERFINISHED
ⓘ
South America NERFINISHED ⓘ Southern Africa NERFINISHED ⓘ |
| hdDesignation | HD 119682 NERFINISHED ⓘ |
| hemisphereVisibility | Southern Hemisphere NERFINISHED ⓘ |
| hipparcosDesignation | HIP 67153 NERFINISHED ⓘ |
| hrDesignation | HR 5148 NERFINISHED ⓘ |
| locatedIn | southern celestial hemisphere ⓘ |
| luminosity_solar | ~3000 ⓘ |
| mass_solar | ~7 ⓘ |
| metallicity_Fe_H | near-solar ⓘ |
| parallax_mas | ~8.6 ⓘ |
| partOf | Centaurus stellar population NERFINISHED ⓘ |
| properMotionDec_mas_yr | ~−13 ⓘ |
| properMotionRA_mas_yr | ~−33 ⓘ |
| radialVelocity_km_s | ~+6 ⓘ |
| radius_solar | ~8 ⓘ |
| rightAscension | 13h 55m 32s ⓘ |
| rotationalVelocity_km_s | ~180 ⓘ |
| spectralType | B2.5IV ⓘ |
| variableStar | false ⓘ |
| visibleToNakedEye | true ⓘ |
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: Zeta Centauri Description of subject: Zeta Centauri is a bright blue-white giant star in the southern constellation Centaurus, visible to the naked eye from much of the Southern Hemisphere.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.