NGC 281
E1390069
UNEXPLORED
NGC 281 is an emission nebula in the constellation Cassiopeia, notable for its active star formation regions and distinctive shape that inspired the nickname "Pacman Nebula."
All labels observed (3)
| Label | Occurrences |
|---|---|
| NGC 281 canonical | 6 |
| emission nebula NGC 281 | 1 |
| nebula NGC 281 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T19575466 — 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: NGC 281 Context triple: [Pacman Nebula, alsoKnownAs, NGC 281]
-
A.
NGC 2841
NGC 2841 is a massive, relatively nearby spiral galaxy notable for its tightly wound arms, low star formation rate, and prominent dust lanes.
-
B.
NGC 5822
NGC 5822 is an open star cluster located in the southern constellation Lupus.
-
C.
NGC 221
NGC 221 is a compact dwarf elliptical galaxy in the Local Group, best known as the bright satellite galaxy M32 orbiting the Andromeda Galaxy.
-
D.
NGC2899
NGC 2899 is a bright, butterfly-shaped planetary nebula located in the constellation Vela.
-
E.
NGC 224
NGC 224 is the Andromeda Galaxy, a massive spiral galaxy and the closest major galactic neighbor to the Milky Way.
- 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: NGC 281 Target entity description: NGC 281 is an emission nebula in the constellation Cassiopeia, notable for its active star formation regions and distinctive shape that inspired the nickname "Pacman Nebula."
-
A.
NGC 2841
NGC 2841 is a massive, relatively nearby spiral galaxy notable for its tightly wound arms, low star formation rate, and prominent dust lanes.
-
B.
NGC 5822
NGC 5822 is an open star cluster located in the southern constellation Lupus.
-
C.
NGC 221
NGC 221 is a compact dwarf elliptical galaxy in the Local Group, best known as the bright satellite galaxy M32 orbiting the Andromeda Galaxy.
-
D.
NGC2899
NGC 2899 is a bright, butterfly-shaped planetary nebula located in the constellation Vela.
-
E.
NGC 224
NGC 224 is the Andromeda Galaxy, a massive spiral galaxy and the closest major galactic neighbor to the Milky Way.
- F. None of above. chosen
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: NGC 281
linked to: NGC 281