NGC 654
E1336104
UNEXPLORED
NGC 654 is a young, bright open star cluster located in the constellation Cassiopeia, often observed as part of the rich Milky Way star fields in that region of the sky.
All labels observed (1)
| Label | Occurrences |
|---|---|
| NGC 654 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T18552131 — 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: NGC 654 Context triple: [Cassiopeia, containsOpenCluster, NGC 654]
-
A.
NGC 663
NGC 663 is a prominent young open star cluster located in the constellation Cassiopeia, notable for its rich population of hot, massive stars.
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B.
NGC 6664
NGC 6664 is an open star cluster located in the constellation Scutum, notable for its grouping of young stars within the Milky Way.
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C.
NGC 6514
NGC 6514 is a bright, colorful emission and reflection nebula in the constellation Sagittarius, widely known as the Trifid Nebula.
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D.
NGC 6637
NGC 6637 is a dense globular star cluster located in the constellation Sagittarius, notable for its high metallicity and inclusion in Charles Messier’s catalog as Messier 69.
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E.
NGC 6205
NGC 6205 is a bright, densely packed globular star cluster in the constellation Hercules, commonly known as the Great Hercules Cluster (M13).
- 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: NGC 654 Target entity description: NGC 654 is a young, bright open star cluster located in the constellation Cassiopeia, often observed as part of the rich Milky Way star fields in that region of the sky.
-
A.
NGC 663
NGC 663 is a prominent young open star cluster located in the constellation Cassiopeia, notable for its rich population of hot, massive stars.
-
B.
NGC 6664
NGC 6664 is an open star cluster located in the constellation Scutum, notable for its grouping of young stars within the Milky Way.
-
C.
NGC 6514
NGC 6514 is a bright, colorful emission and reflection nebula in the constellation Sagittarius, widely known as the Trifid Nebula.
-
D.
NGC 6637
NGC 6637 is a dense globular star cluster located in the constellation Sagittarius, notable for its high metallicity and inclusion in Charles Messier’s catalog as Messier 69.
-
E.
NGC 6205
NGC 6205 is a bright, densely packed globular star cluster in the constellation Hercules, commonly known as the Great Hercules Cluster (M13).
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.