Hadar
E481661
Hadar is a prominent blue-white giant star, also known as Beta Centauri, and one of the brightest stars in the southern sky.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hadar canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4943618 — 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: Hadar Context triple: [Centaurus constellation region, containsBrightStar, Hadar]
-
A.
Sephanoides
Sephanoides is a small genus of South American hummingbirds that includes species such as the Juan Fernández firecrown.
-
B.
Hadibu
Hadibu is the main town and administrative center of the Yemeni island of Socotra in the Arabian Sea.
-
C.
Sela
Sela is a feminine given name most notably borne by American actress Sela Ward.
-
D.
Datooga
Datooga is a Southern Nilotic language spoken primarily by the Datooga people of north-central Tanzania.
-
E.
Bistahieversor
Bistahieversor is a genus of large, predatory tyrannosauroid dinosaur from the Late Cretaceous of what is now New Mexico, known for its deep skull and powerful jaws.
- 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: Hadar Target entity description: Hadar is a prominent blue-white giant star, also known as Beta Centauri, and one of the brightest stars in the southern sky.
-
A.
Sephanoides
Sephanoides is a small genus of South American hummingbirds that includes species such as the Juan Fernández firecrown.
-
B.
Hadibu
Hadibu is the main town and administrative center of the Yemeni island of Socotra in the Arabian Sea.
-
C.
Sela
Sela is a feminine given name most notably borne by American actress Sela Ward.
-
D.
Datooga
Datooga is a Southern Nilotic language spoken primarily by the Datooga people of north-central Tanzania.
-
E.
Bistahieversor
Bistahieversor is a genus of large, predatory tyrannosauroid dinosaur from the Late Cretaceous of what is now New Mexico, known for its deep skull and powerful jaws.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
blue-white giant star
ⓘ
multiple star system ⓘ star ⓘ |
| alsoKnownAs |
Agena
NERFINISHED
ⓘ
Beta Centauri NERFINISHED ⓘ β Centauri NERFINISHED ⓘ |
| hasAge_Myr | ~10–15 ⓘ |
| hasApparentMagnitude | 0.61 ⓘ |
| hasColor | blue-white ⓘ |
| hasComponent |
Beta Centauri A
NERFINISHED
ⓘ
Beta Centauri B NERFINISHED ⓘ Beta Centauri C NERFINISHED ⓘ |
| hasConstellation | Centaurus NERFINISHED ⓘ |
| hasCulturalSignificanceIn | southern hemisphere navigation traditions ⓘ |
| hasDeclination | −60°22′23″ ⓘ |
| hasDistanceFromEarth_ly | ~390 ⓘ |
| hasDistanceFromEarth_pc | ~120 ⓘ |
| hasEffectiveTemperature_K | ~25000 ⓘ |
| hasFlamsteedDesignation | β Centauri NERFINISHED ⓘ |
| hasGalacticPopulation | Population I NERFINISHED ⓘ |
| hasHenryDraperNumber | HD 122451 NERFINISHED ⓘ |
| hasHipparcosNumber | HIP 68702 NERFINISHED ⓘ |
| hasHRNumber | HR 5267 NERFINISHED ⓘ |
| hasLuminosityMultipleOfSun | >10000 ⓘ |
| hasMassMultipleOfSun | >10 ⓘ |
| hasProperMotion | measurable ⓘ |
| hasRadialVelocity_km_s | ~+4 ⓘ |
| hasRightAscension | 14h03m49s ⓘ |
| hasSpectralType | B1III ⓘ |
| hasStellarClassification | B-type giant ⓘ |
| hasVariableType | spectroscopic binary ⓘ |
| isAmongBrightestStars | true ⓘ |
| isBayerDesignationOf | Beta Centauri NERFINISHED ⓘ |
| isCataloguedIn |
Henry Draper Catalogue
NERFINISHED
ⓘ
Hipparcos Catalogue NERFINISHED ⓘ |
| isInConstellation | Centaurus NERFINISHED ⓘ |
| isNavigationStar | true ⓘ |
| isNearOnSky |
Alpha Centauri
NERFINISHED
ⓘ
Crux constellation NERFINISHED ⓘ |
| isOneOfBrightestInSouthernSky | true ⓘ |
| isPartOf | Milky Way NERFINISHED ⓘ |
| isPartOfAsterism | Southern Pointers NERFINISHED ⓘ |
| isUsedIn | celestial navigation ⓘ |
| isVisibleFromHemisphere |
Southern Hemisphere
NERFINISHED
ⓘ
parts of Northern Hemisphere ⓘ |
| isYoungerThan | Sun ⓘ |
| willEndAs | supernova candidate ⓘ |
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: Hadar Description of subject: Hadar is a prominent blue-white giant star, also known as Beta Centauri, and one of the brightest stars in the southern sky.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.