Sh2-25
E1455322
UNEXPLORED
Sh2-25 is a compact emission nebula in the constellation Sagittarius, cataloged in the Sharpless catalog of H II regions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sh2-25 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20888467 — 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: Sh2-25 Context triple: [Sh 2-25, otherDesignation, Sh2-25]
-
A.
Sh2-205
Sh2-205 is a faint emission nebula cataloged in the Sharpless catalog, located in the constellation Camelopardalis.
-
B.
Sh2-202
Sh2-202 is a large, faint emission nebula and H II region located in the constellation Camelopardalis.
-
C.
Sh2-184
Sh2-184, commonly known as the Pacman Nebula, is an emission nebula in the constellation Cassiopeia notable for its distinctive shape resembling the classic video game character.
-
D.
Sh2-117
Sh2-117 is a large emission nebula in the constellation Cygnus, better known as the North America Nebula (NGC 7000), notable for its distinctive continent-like shape and active star-forming regions.
-
E.
Sh2-106
Sh2-106 is a bipolar emission nebula and star-forming region in the constellation Cygnus, notable for its hourglass-shaped clouds of gas and dust illuminated by a massive young star.
- 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: Sh2-25 Target entity description: Sh2-25 is a compact emission nebula in the constellation Sagittarius, cataloged in the Sharpless catalog of H II regions.
-
A.
Sh2-205
Sh2-205 is a faint emission nebula cataloged in the Sharpless catalog, located in the constellation Camelopardalis.
-
B.
Sh2-202
Sh2-202 is a large, faint emission nebula and H II region located in the constellation Camelopardalis.
-
C.
Sh2-184
Sh2-184, commonly known as the Pacman Nebula, is an emission nebula in the constellation Cassiopeia notable for its distinctive shape resembling the classic video game character.
-
D.
Sh2-117
Sh2-117 is a large emission nebula in the constellation Cygnus, better known as the North America Nebula (NGC 7000), notable for its distinctive continent-like shape and active star-forming regions.
-
E.
Sh2-106
Sh2-106 is a bipolar emission nebula and star-forming region in the constellation Cygnus, notable for its hourglass-shaped clouds of gas and dust illuminated by a massive young star.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.