Sharpless 2-190
E1407987
UNEXPLORED
Sharpless 2-190 is a large, bright emission nebula in the constellation Cassiopeia, notable for its heart-like shape and active star-forming regions.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Sharpless 2-190 canonical | 2 |
| Sh2-190 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20020928 — 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 2-190 Context triple: [Heart Nebula, alsoKnownAs, Sharpless 2-190]
-
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.
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B.
Sharpless 279
Sharpless 279 is a bright emission and reflection nebula complex in the constellation Orion, popularly known as the Running Man Nebula.
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C.
Sharpless 244
Sharpless 244 is an emission nebula better known as the Crab Nebula, the supernova remnant of a stellar explosion recorded on Earth in 1054 AD.
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D.
Barnard 213
Barnard 213 is a dense, filamentary dark cloud and active star-forming region within the Taurus molecular cloud complex, notable for hosting numerous young stellar objects and protostars.
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E.
Sh2-205
Sh2-205 is a faint emission nebula cataloged in the Sharpless catalog, located in the constellation Camelopardalis.
- 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 2-190 Target entity description: Sharpless 2-190 is a large, bright emission nebula in the constellation Cassiopeia, notable for its heart-like shape and active star-forming regions.
-
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 279
Sharpless 279 is a bright emission and reflection nebula complex in the constellation Orion, popularly known as the Running Man Nebula.
-
C.
Sharpless 244
Sharpless 244 is an emission nebula better known as the Crab Nebula, the supernova remnant of a stellar explosion recorded on Earth in 1054 AD.
-
D.
Barnard 213
Barnard 213 is a dense, filamentary dark cloud and active star-forming region within the Taurus molecular cloud complex, notable for hosting numerous young stellar objects and protostars.
-
E.
Sh2-205
Sh2-205 is a faint emission nebula cataloged in the Sharpless catalog, located in the constellation Camelopardalis.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Sharpless 2-190