Sharpless 2-276
E1546946
UNEXPLORED
Sharpless 2-276, also known as Barnard's Loop, is a large emission nebula arc in the Orion constellation that forms part of the Orion molecular cloud complex.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sharpless 2-276 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T22636685 — 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: Sharpless 2-276 Context triple: [Sh 2-276, alsoKnownAs, Sharpless 2-276]
-
A.
Sharpless 2-275
Sharpless 2-275 is a large, circular emission nebula in the constellation Monoceros, notable for its active star-forming region and striking rose-like appearance.
-
B.
Sharpless 2-298
Sharpless 2-298 is a bright emission nebula in the constellation Canis Major, popularly known as Thor’s Helmet due to its distinctive bubble-like shape around a massive Wolf–Rayet star.
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C.
Sharpless 2-220
Sharpless 2-220 is a large, bright emission nebula in the constellation Perseus, notable for its elongated shape and reddish glow produced by ionized hydrogen gas.
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D.
Sharpless 273
Sharpless 273 is a bright emission nebula complex in the constellation Monoceros that includes the Cone Nebula and is associated with the open star cluster NGC 2264.
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E.
Sharpless 279
Sharpless 279 is a bright emission and reflection nebula complex in the constellation Orion, popularly known as the Running Man Nebula.
- 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: Sharpless 2-276 Target entity description: Sharpless 2-276, also known as Barnard's Loop, is a large emission nebula arc in the Orion constellation that forms part of the Orion molecular cloud complex.
-
A.
Sharpless 2-275
Sharpless 2-275 is a large, circular emission nebula in the constellation Monoceros, notable for its active star-forming region and striking rose-like appearance.
-
B.
Sharpless 2-298
Sharpless 2-298 is a bright emission nebula in the constellation Canis Major, popularly known as Thor’s Helmet due to its distinctive bubble-like shape around a massive Wolf–Rayet star.
-
C.
Sharpless 2-220
Sharpless 2-220 is a large, bright emission nebula in the constellation Perseus, notable for its elongated shape and reddish glow produced by ionized hydrogen gas.
-
D.
Sharpless 273
Sharpless 273 is a bright emission nebula complex in the constellation Monoceros that includes the Cone Nebula and is associated with the open star cluster NGC 2264.
-
E.
Sharpless 279
Sharpless 279 is a bright emission and reflection nebula complex in the constellation Orion, popularly known as the Running Man Nebula.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.