Alpha Tauri (α Tauri)
E581536
Alpha Tauri (α Tauri), traditionally known as Aldebaran, is a bright orange giant star in the constellation Taurus and one of the most prominent stars in the night sky.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alpha Tauri (α Tauri) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6287082 — 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 Tauri (α Tauri) Context triple: [Alpha Tauri, alsoKnownAs, Alpha Tauri (α Tauri)]
-
A.
Zeta Telescopii
Zeta Telescopii is a prominent star in the southern constellation Telescopium, visible to the naked eye under good observing conditions.
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B.
Alpha Telescopii
Alpha Telescopii is a blue-white giant star that serves as the primary luminary of the southern constellation Telescopium.
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C.
Shaula
Shaula is a bright multiple-star system marking the stinger of the constellation Scorpius and is one of the most luminous stars visible to the naked eye.
-
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.
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E.
Theta Serpentis
Theta Serpentis is a multiple star system in the constellation Serpens, visible to the naked eye and notable for its closely spaced stellar components.
- 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 Tauri (α Tauri) Target entity description: Alpha Tauri (α Tauri), traditionally known as Aldebaran, is a bright orange giant star in the constellation Taurus and one of the most prominent stars in the night sky.
-
A.
Zeta Telescopii
Zeta Telescopii is a prominent star in the southern constellation Telescopium, visible to the naked eye under good observing conditions.
-
B.
Alpha Telescopii
Alpha Telescopii is a blue-white giant star that serves as the primary luminary of the southern constellation Telescopium.
-
C.
Shaula
Shaula is a bright multiple-star system marking the stinger of the constellation Scorpius and is one of the most luminous stars visible to the naked eye.
-
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.
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E.
Theta Serpentis
Theta Serpentis is a multiple star system in the constellation Serpens, visible to the naked eye and notable for its closely spaced stellar components.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
orange giant star
ⓘ
star ⓘ |
| belongsTo | local neighborhood of the Milky Way ⓘ |
| canBeOccultedBy |
Moon
NERFINISHED
ⓘ
planets ⓘ |
| hasADSDesignation | ADS 3321 NERFINISHED ⓘ |
| hasApparentMagnitude | 0.85 ⓘ |
| hasApparentMagnitudeV | 0.85 ⓘ |
| hasBayerDesignation |
Alpha Tauri
NERFINISHED
ⓘ
α Tauri NERFINISHED ⓘ |
| hasBDDesignation | BD+16 629 NERFINISHED ⓘ |
| hasColor | orange ⓘ |
| hasConstellation | Taurus NERFINISHED ⓘ |
| hasCulturalSignificanceIn |
Arabic astronomy
ⓘ
Greek astronomy ⓘ |
| hasDeclination | +16° 30′ 33″ ⓘ |
| hasDistanceFromEarth |
about 20 parsecs
ⓘ
about 65 light-years ⓘ |
| hasEffectiveTemperature | about 3900 K ⓘ |
| hasFlamsteedDesignation | 87 Tauri NERFINISHED ⓘ |
| hasHDDesignation | HD 29139 NERFINISHED ⓘ |
| hasHIPDesignation | HIP 21421 NERFINISHED ⓘ |
| hasHRDesignation | HR 1457 NERFINISHED ⓘ |
| hasIAUName | Aldebaran NERFINISHED ⓘ |
| hasLuminosity | about 400 times solar luminosity ⓘ |
| hasMass | about 1.2 solar masses ⓘ |
| hasMetallicity | slightly above solar ⓘ |
| hasNameEtymology | from Arabic al-dabarān meaning “the Follower” ⓘ |
| hasParallax | 48.94 mas ⓘ |
| hasPositionInEcliptic | near the ecliptic ⓘ |
| hasProperMotionInDec | −188.94 mas/yr ⓘ |
| hasProperMotionInRA | +62.78 mas/yr ⓘ |
| hasRadialVelocity | about 54 km/s ⓘ |
| hasRadialVelocityCompanion | candidate exoplanet Aldebaran b NERFINISHED ⓘ |
| hasRadius | about 44 solar radii ⓘ |
| hasRightAscension | 04h 35m 55.2s ⓘ |
| hasSAODesignation | SAO 94027 NERFINISHED ⓘ |
| hasSpectralType | K5III ⓘ |
| hasTraditionalName | Aldebaran NERFINISHED ⓘ |
| hasVariability | small amplitude brightness variations ⓘ |
| hasVariableType | slow irregular variable ⓘ |
| isAmong | brightest stars in the night sky ⓘ |
| isBrightestStarIn | Taurus NERFINISHED ⓘ |
| isFollowedBy | Pleiades star cluster in the sky ⓘ |
| isForegroundObjectOf | Hyades star cluster NERFINISHED ⓘ |
| isLocatedIn | Milky Way NERFINISHED ⓘ |
| isPartOf | Hyades region of the sky ⓘ |
| isRankedByBrightness | one of the brightest stars ⓘ |
| isUsedFor | calibration of stellar models of K giants ⓘ |
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 Tauri (α Tauri) Description of subject: Alpha Tauri (α Tauri), traditionally known as Aldebaran, is a bright orange giant star in the constellation Taurus and one of the most prominent stars in the night sky.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.