Messier A
E1561678
UNEXPLORED
Messier A is a small, bright lunar impact crater notable for its elongated shape and distinctive ray pattern on the Mare Fecunditatis.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Messier A canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T22936159 — 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 A Context triple: [Mare Fecunditatis, boundedByCrater, Messier A]
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A.
Messier 8
Messier 8, also known as the Lagoon Nebula, is a large, bright emission nebula and active star-forming region visible in the constellation Sagittarius.
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B.
Messier 76
Messier 76 is a faint planetary nebula in the constellation Perseus, often called the Little Dumbbell Nebula and cataloged as one of the objects in Charles Messier’s famous deep-sky list.
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C.
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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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 73
Messier 73 is a small asterism of four stars in the constellation Aquarius that was historically cataloged as a deep-sky object by Charles Messier.
- 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 A Target entity description: Messier A is a small, bright lunar impact crater notable for its elongated shape and distinctive ray pattern on the Mare Fecunditatis.
-
A.
Messier 8
Messier 8, also known as the Lagoon Nebula, is a large, bright emission nebula and active star-forming region visible in the constellation Sagittarius.
-
B.
Messier 76
Messier 76 is a faint planetary nebula in the constellation Perseus, often called the Little Dumbbell Nebula and cataloged as one of the objects in Charles Messier’s famous deep-sky list.
-
C.
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.
-
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 73
Messier 73 is a small asterism of four stars in the constellation Aquarius that was historically cataloged as a deep-sky object by Charles Messier.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.