Alpha Tauri
E140926
Alpha Tauri, better 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 (2)
| Label | Occurrences |
|---|---|
| Alpha Tauri canonical | 8 |
| AlphaTauri | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1236492 — 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 Context triple: [Aldebaran, bayerDesignation, Alpha Tauri]
-
A.
KCMG
KCMG is a British honorific post-nominal title signifying appointment as a Knight Commander of the Order of St Michael and St George, typically awarded for distinguished service in foreign affairs or overseas service.
-
B.
Dallara
Dallara is an Italian race car manufacturer renowned for designing and building chassis for top-level motorsport series worldwide, including IndyCar.
-
C.
Lancia Martini Racing
Lancia Martini Racing was the factory-backed rally and racing team of Italian manufacturer Lancia, famed for its iconic Martini-liveried cars that dominated the World Rally Championship in the 1980s and early 1990s.
-
D.
Spyker F1 Team
Spyker F1 Team was a short-lived Dutch Formula One constructor that competed in the 2007 season after Spyker Cars acquired the former Midland/Jordan team.
-
E.
Fiat factory racing team
The Fiat factory racing team was the official motorsport division of the Italian automaker Fiat, fielding and developing competition cars that achieved notable success in various racing and rallying events.
- 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 Target entity description: Alpha Tauri, better 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.
KCMG
KCMG is a British honorific post-nominal title signifying appointment as a Knight Commander of the Order of St Michael and St George, typically awarded for distinguished service in foreign affairs or overseas service.
-
B.
Dallara
Dallara is an Italian race car manufacturer renowned for designing and building chassis for top-level motorsport series worldwide, including IndyCar.
-
C.
Lancia Martini Racing
Lancia Martini Racing was the factory-backed rally and racing team of Italian manufacturer Lancia, famed for its iconic Martini-liveried cars that dominated the World Rally Championship in the 1980s and early 1990s.
-
D.
Spyker F1 Team
Spyker F1 Team was a short-lived Dutch Formula One constructor that competed in the 2007 season after Spyker Cars acquired the former Midland/Jordan team.
-
E.
Fiat factory racing team
The Fiat factory racing team was the official motorsport division of the Italian automaker Fiat, fielding and developing competition cars that achieved notable success in various racing and rallying events.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
K-type giant star
ⓘ
orange giant star ⓘ star ⓘ |
| age | about 6 billion years (order of magnitude) ⓘ |
| alsoKnownAs |
Aldebaran
ⓘ
Alpha Tauri (α Tauri) ⓘ |
| apparentMagnitude | about 0.85 ⓘ |
| bayerDesignation |
Aldebaran
ⓘ
surface form:
α Tauri
|
| belongsToAsterism | Hyades (line-of-sight, not physically bound) ⓘ |
| canBeOccultedBy |
Moon
ⓘ
planets (rarely) ⓘ |
| color | orange ⓘ |
| culturalSignificance | one of the brightest stars in the night sky ⓘ |
| declination | +16° 30′ 33″ ⓘ |
| distanceFromEarth |
about 20 parsecs
ⓘ
about 65 light-years ⓘ |
| eclipticLatitude | near the ecliptic ⓘ |
| effectiveTemperature | about 3900 K ⓘ |
| evolutionaryStage | red giant branch star ⓘ |
| flamsteedDesignation | 87 Tauri ⓘ |
| galacticPopulation | thin disk star ⓘ |
| hasCompanion | faint red dwarf candidate (wide separation, debated) ⓘ |
| hasExoplanetCandidate |
Aldebaran planetary system
ⓘ
surface form:
Aldebaran b (candidate)
|
| hdDesignation | HD 29139 ⓘ |
| hipparcosDesignation | HIP 21421 ⓘ |
| hostConstellationAbbreviation | Tau ⓘ |
| hrDesignation | HR 1457 ⓘ |
| isBrightestStarOf | Taurus ⓘ |
| isReferenceStarFor | calibration of stellar atmosphere models ⓘ |
| locatedInConstellation | Taurus ⓘ |
| luminosity | about 400 times the luminosity of the Sun ⓘ |
| mass | about 1.2 times the mass of the Sun ⓘ |
| metallicity | slightly above solar ⓘ |
| observedFrom |
Northern Hemisphere
ⓘ
Southern Hemisphere (low northern latitudes) ⓘ |
| parallax | about 50 milliarcseconds ⓘ |
| properMotionDec | −189 mas/yr (approximate) ⓘ |
| properMotionRA | +62 mas/yr (approximate) ⓘ |
| radialVelocity | about +54 km/s ⓘ |
| radius | about 44 times the radius of the Sun ⓘ |
| rankByBrightness | among the 15 brightest stars in the night sky ⓘ |
| rightAscension | 04h 35m 55.2s ⓘ |
| spectralType | K5 III ⓘ |
| variableStarType | slight irregular variability ⓘ |
| visibleToNakedEye | yes ⓘ |
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 Description of subject: Alpha Tauri, better 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 (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Aldebaran
this entity surface form:
AlphaTauri