Messier 109
E1329256
UNEXPLORED
Messier 109 is a barred spiral galaxy located in the constellation Ursa Major and is one of the brighter members of the Messier catalog.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Messier 109 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T18442626 — 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 109 Context triple: [Ursa Major, containsGalaxy, Messier 109]
-
A.
Messier 108
Messier 108 is a barred spiral galaxy viewed nearly edge-on from Earth, notable for its rich dust lanes and active star-forming regions.
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B.
Messier 110
Messier 110 is a dwarf elliptical satellite galaxy of the Andromeda Galaxy located in the Local Group.
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C.
Messier 101
Messier 101 is a large, face-on spiral galaxy in the constellation Ursa Major, notable for its grand design structure and rich star-forming regions.
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D.
Messier 81
Messier 81 is a prominent, nearby grand-design spiral galaxy in the constellation Ursa Major, notable for its brightness and well-defined structure.
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E.
Messier 77
Messier 77 is a bright barred spiral galaxy and active galactic nucleus located in the constellation Cetus, known as one of the nearest and most studied Seyfert galaxies.
- 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 109 Target entity description: Messier 109 is a barred spiral galaxy located in the constellation Ursa Major and is one of the brighter members of the Messier catalog.
-
A.
Messier 108
Messier 108 is a barred spiral galaxy viewed nearly edge-on from Earth, notable for its rich dust lanes and active star-forming regions.
-
B.
Messier 110
Messier 110 is a dwarf elliptical satellite galaxy of the Andromeda Galaxy located in the Local Group.
-
C.
Messier 101
Messier 101 is a large, face-on spiral galaxy in the constellation Ursa Major, notable for its grand design structure and rich star-forming regions.
-
D.
Messier 81
Messier 81 is a prominent, nearby grand-design spiral galaxy in the constellation Ursa Major, notable for its brightness and well-defined structure.
-
E.
Messier 77
Messier 77 is a bright barred spiral galaxy and active galactic nucleus located in the constellation Cetus, known as one of the nearest and most studied Seyfert galaxies.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.