Rho Ophiuchi A
E1341531
UNEXPLORED
Rho Ophiuchi A is a dense, star-forming core within the nearby Rho Ophiuchi dark cloud complex, notable for its active low-mass stellar nursery and rich molecular content.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Rho Ophiuchi A canonical | 1 |
| Rho Ophiuchi B | 1 |
| Rho Ophiuchi C | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T18771020 — 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: Rho Ophiuchi A Context triple: [Ophiuchus molecular cloud, containsRegion, Rho Ophiuchi A]
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A.
Barnard 33
Barnard 33, commonly known as the Horsehead Nebula, is a small dark nebula in the constellation Orion whose distinctive horse-head shape is silhouetted against the bright emission nebula IC 434.
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B.
Barnard 7
Barnard 7 is a dark molecular cloud and star-forming region within the Taurus molecular cloud complex, notable for its dense gas and dust that obscure background starlight.
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C.
R Coronae Australis
R Coronae Australis is a young variable star embedded in the Corona Australis star-forming region, notable for its irregular brightness changes and association with reflection nebulosity.
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D.
NGC 2264
NGC 2264 is a prominent star-forming region in the constellation Monoceros that includes the Cone Nebula and the Christmas Tree Cluster.
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E.
Barnard 5
Barnard 5 is a dark molecular cloud and active star-forming region located within the Perseus molecular cloud complex.
- 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: Rho Ophiuchi A Target entity description: Rho Ophiuchi A is a dense, star-forming core within the nearby Rho Ophiuchi dark cloud complex, notable for its active low-mass stellar nursery and rich molecular content.
-
A.
Barnard 33
Barnard 33, commonly known as the Horsehead Nebula, is a small dark nebula in the constellation Orion whose distinctive horse-head shape is silhouetted against the bright emission nebula IC 434.
-
B.
Barnard 7
Barnard 7 is a dark molecular cloud and star-forming region within the Taurus molecular cloud complex, notable for its dense gas and dust that obscure background starlight.
-
C.
R Coronae Australis
R Coronae Australis is a young variable star embedded in the Corona Australis star-forming region, notable for its irregular brightness changes and association with reflection nebulosity.
-
D.
NGC 2264
NGC 2264 is a prominent star-forming region in the constellation Monoceros that includes the Cone Nebula and the Christmas Tree Cluster.
-
E.
Barnard 5
Barnard 5 is a dark molecular cloud and active star-forming region located within the Perseus molecular cloud complex.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Rho Ophiuchi A
linked to: Rho Ophiuchi A