Beta Geminorum
E536135
Beta Geminorum, also known as Pollux, is the brightest star in the constellation Gemini and an orange giant located relatively close to Earth.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Beta Geminorum canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5573220 — 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: Beta Geminorum Context triple: [Gemini, hasBayerDesignation, Beta Geminorum]
-
A.
Alpha Geminorum
Alpha Geminorum, also known as Castor, is one of the brightest stars in the constellation Gemini and is actually a complex multiple-star system.
-
B.
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.
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C.
Beta Scuti
Beta Scuti is a prominent giant star in the constellation Scutum, notable as one of its brightest members.
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D.
Beta Crucis
Beta Crucis, also known as Mimosa, is a bright blue giant star in the Southern Cross constellation and one of the most prominent navigational stars in the southern sky.
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E.
Beta Capricorni
Beta Capricorni is a bright multiple star system in the constellation Capricornus, visible to the naked eye and often used as a reference point in the southern sky.
- 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: Beta Geminorum Target entity description: Beta Geminorum, also known as Pollux, is the brightest star in the constellation Gemini and an orange giant located relatively close to Earth.
-
A.
Alpha Geminorum
Alpha Geminorum, also known as Castor, is one of the brightest stars in the constellation Gemini and is actually a complex multiple-star system.
-
B.
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.
-
C.
Beta Scuti
Beta Scuti is a prominent giant star in the constellation Scutum, notable as one of its brightest members.
-
D.
Beta Crucis
Beta Crucis, also known as Mimosa, is a bright blue giant star in the Southern Cross constellation and one of the most prominent navigational stars in the southern sky.
-
E.
Beta Capricorni
Beta Capricorni is a bright multiple star system in the constellation Capricornus, visible to the naked eye and often used as a reference point in the southern sky.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
exoplanet
ⓘ
orange giant star ⓘ star ⓘ |
| hasAbsoluteMagnitudeV | 1.09 ⓘ |
| hasAge | about 724 million years ⓘ |
| hasApparentMagnitudeV | 1.14 ⓘ |
| hasBayerDesignation | β Geminorum NERFINISHED ⓘ |
| hasCompanionStar | Castor NERFINISHED ⓘ |
| hasDeclination | +28° 01′ 34.3″ ⓘ |
| hasDistanceFromEarth |
about 10.4 parsecs
ⓘ
about 34 light-years ⓘ |
| hasEffectiveTemperature | about 4865 K ⓘ |
| hasExoplanet | Pollux b NERFINISHED ⓘ |
| hasFlamsteedDesignation | 78 Geminorum NERFINISHED ⓘ |
| hasGalacticLatitude | +23.45° ⓘ |
| hasGalacticLongitude | 192.23° ⓘ |
| hasHDDesignation | HD 62509 NERFINISHED ⓘ |
| hasHIPDesignation | HIP 37826 NERFINISHED ⓘ |
| hasHRDesignation | HR 2990 NERFINISHED ⓘ |
| hasIAUConstellationAbbreviation | Gem ⓘ |
| hasLuminosity | about 43 times solar luminosity ⓘ |
| hasMass | about 1.9 solar masses ⓘ |
| hasMetallicityFeH | +0.08 ⓘ |
| hasMinimumMass | about 2.3 Jupiter masses ⓘ |
| hasName | Pollux NERFINISHED ⓘ |
| hasOrbitalPeriod | about 590 days ⓘ |
| hasParallax | 96.54 mas ⓘ |
| hasProperMotionDec | −45.86 mas/yr ⓘ |
| hasProperMotionRA | −625.75 mas/yr ⓘ |
| hasRadialVelocity | 3.23 km/s ⓘ |
| hasRadius | about 8.8 solar radii ⓘ |
| hasRightAscension | 07h 45m 18.95s ⓘ |
| hasSemiMajorAxis | about 1.64 AU ⓘ |
| hasSpectralType | K0III ⓘ |
| hasTraditionalNameOrigin | Latinized form of Greek Polydeukes ⓘ |
| isBrighterThan | Castor NERFINISHED ⓘ |
| isBrightestStarIn | Gemini NERFINISHED ⓘ |
| isIAUStandardStarName | Pollux NERFINISHED ⓘ |
| isNorthernHemisphereStar | true ⓘ |
| isOneOfGeminiTwins | Pollux and Castor NERFINISHED ⓘ |
| isPartOfAsterism | Gemini constellation figure ⓘ |
| isPrimaryOf | Pollux b NERFINISHED ⓘ |
| isVisibleToNakedEye | true ⓘ |
| locatedInConstellation | Gemini NERFINISHED ⓘ |
| orbits | Beta Geminorum NERFINISHED ⓘ |
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: Beta Geminorum Description of subject: Beta Geminorum, also known as Pollux, is the brightest star in the constellation Gemini and an orange giant located relatively close to Earth.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Pollux