Epsilon Orionis
E549405
Epsilon Orionis, traditionally known as Alnilam, is a luminous blue supergiant star forming the central "belt" star in the constellation Orion.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Epsilon Orionis canonical | 4 |
| ε Ori | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5775384 — 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: Epsilon Orionis Context triple: [Alnilam, bayerDesignation, Epsilon Orionis]
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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.
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B.
Epsilon Canis Majoris
Epsilon Canis Majoris, also known as Adhara, is a bright blue-white giant star and one of the most luminous stars visible from Earth, located in the constellation Canis Major.
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C.
Epsilon Crucis
Epsilon Crucis is a bright star in the Southern Cross constellation, prominently featured on the Australian national flag.
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D.
Delta Orionis
Delta Orionis, traditionally known as Mintaka, is a multiple star system that forms the westernmost star in Orion’s Belt and serves as an important navigational and astrophysical reference point.
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E.
Zeta Orionis
Zeta Orionis, traditionally known as Alnitak, is a massive, hot blue multiple star system forming the easternmost star of 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: Epsilon Orionis Target entity description: Epsilon Orionis, traditionally known as Alnilam, is a luminous blue supergiant star forming the central "belt" star in the constellation Orion.
-
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 Canis Majoris
Epsilon Canis Majoris, also known as Adhara, is a bright blue-white giant star and one of the most luminous stars visible from Earth, located in the constellation Canis Major.
-
C.
Epsilon Crucis
Epsilon Crucis is a bright star in the Southern Cross constellation, prominently featured on the Australian national flag.
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D.
Delta Orionis
Delta Orionis, traditionally known as Mintaka, is a multiple star system that forms the westernmost star in Orion’s Belt and serves as an important navigational and astrophysical reference point.
-
E.
Zeta Orionis
Zeta Orionis, traditionally known as Alnitak, is a massive, hot blue multiple star system forming the easternmost star of Orion’s Belt.
- F. None of above. chosen
Statements (46)
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: Epsilon Orionis Description of subject: Epsilon Orionis, traditionally known as Alnilam, is a luminous blue supergiant star forming the central "belt" star in the constellation Orion.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Epsilon Orionis