Messier 41
E506490
Messier 41 is an open star cluster located near Sirius in the constellation Canis Major, visible to the naked eye under good conditions.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Messier 41 canonical | 3 |
| open cluster M41 | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5259960 — 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: Messier 41 Context triple: [Canis Major, contains, Messier 41]
-
A.
Messier 45
Messier 45, commonly known as the Pleiades, is a prominent open star cluster in the constellation Taurus, easily visible to the naked eye and famous in many cultures worldwide.
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B.
Messier 21
Messier 21 is a young open star cluster in the constellation Sagittarius, notable for its bright, densely packed hot stars and proximity to the Trifid Nebula.
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C.
Messier 28
Messier 28 is a dense globular star cluster located in the constellation Sagittarius, composed of hundreds of thousands of ancient stars.
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D.
Messier 62
Messier 62 is a bright, densely concentrated globular star cluster located in the constellation Ophiuchus, notable for its rich stellar population and asymmetrical appearance.
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E.
Messier 69
Messier 69 is a dense, metal-rich globular star cluster located in the constellation Sagittarius near the center of the Milky Way.
- 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: Messier 41 Target entity description: Messier 41 is an open star cluster located near Sirius in the constellation Canis Major, visible to the naked eye under good conditions.
-
A.
Messier 45
Messier 45, commonly known as the Pleiades, is a prominent open star cluster in the constellation Taurus, easily visible to the naked eye and famous in many cultures worldwide.
-
B.
Messier 21
Messier 21 is a young open star cluster in the constellation Sagittarius, notable for its bright, densely packed hot stars and proximity to the Trifid Nebula.
-
C.
Messier 28
Messier 28 is a dense globular star cluster located in the constellation Sagittarius, composed of hundreds of thousands of ancient stars.
-
D.
Messier 62
Messier 62 is a bright, densely concentrated globular star cluster located in the constellation Ophiuchus, notable for its rich stellar population and asymmetrical appearance.
-
E.
Messier 69
Messier 69 is a dense, metal-rich globular star cluster located in the constellation Sagittarius near the center of the Milky Way.
- F. None of above. chosen
Statements (47)
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: Messier 41 Description of subject: Messier 41 is an open star cluster located near Sirius in the constellation Canis Major, visible to the naked eye under good conditions.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Messier 41