HD 29139
E140929
HD 29139 is the bright orange giant star Aldebaran, the prominent "eye" of the constellation Taurus and one of the brightest stars in the night sky.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HD 29139 canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T1236495 — 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: HD 29139 Context triple: [Aldebaran, hdNumber, HD 29139]
-
A.
Epsilon Sagittarii
Epsilon Sagittarii is a prominent binary star system in the constellation Sagittarius, notable as one of its most luminous and easily visible stars.
-
B.
Epsilon Eridani
Epsilon Eridani is a nearby young K-type main-sequence star in the constellation Eridanus, notable for its debris disk and status as a prominent target in exoplanet and SETI searches.
-
C.
Tau Ceti
Tau Ceti is a nearby Sun-like star in the constellation Cetus, notable for its stability, potential planetary system, and historical importance as an early target in the search for extraterrestrial intelligence.
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D.
Alnilam
Alnilam is a bright blue supergiant star that forms the central and most luminous point of Orion’s Belt in the constellation Orion.
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E.
Alnitak
Alnitak is a bright multiple star system in the constellation Orion, forming the easternmost star of the prominent asterism known as Orion’s Belt.
- 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: HD 29139 Target entity description: HD 29139 is the bright orange giant star Aldebaran, the prominent "eye" of the constellation Taurus and one of the brightest stars in the night sky.
-
A.
Epsilon Sagittarii
Epsilon Sagittarii is a prominent binary star system in the constellation Sagittarius, notable as one of its most luminous and easily visible stars.
-
B.
Epsilon Eridani
Epsilon Eridani is a nearby young K-type main-sequence star in the constellation Eridanus, notable for its debris disk and status as a prominent target in exoplanet and SETI searches.
-
C.
Tau Ceti
Tau Ceti is a nearby Sun-like star in the constellation Cetus, notable for its stability, potential planetary system, and historical importance as an early target in the search for extraterrestrial intelligence.
-
D.
Alnilam
Alnilam is a bright blue supergiant star that forms the central and most luminous point of Orion’s Belt in the constellation Orion.
-
E.
Alnitak
Alnitak is a bright multiple star system in the constellation Orion, forming the easternmost star of the prominent asterism known as Orion’s Belt.
- F. None of above. chosen
Statements (48)
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: HD 29139 Description of subject: HD 29139 is the bright orange giant star Aldebaran, the prominent "eye" of the constellation Taurus and one of the brightest stars in the night sky.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Aldebaran (foreground star, not a member)
subject linked to:
Alpha Tauri (α Tauri)