C90
E1419739
UNEXPLORED
C90 is a bright planetary nebula in the constellation Centaurus, popularly known as the Blue Planetary Nebula and a notable target for amateur astronomers.
All labels observed (1)
| Label | Occurrences |
|---|---|
| C90 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20235912 — 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: C90 Context triple: [NGC 3918, carriesCaldwellNumber, C90]
-
A.
C90
C90 is the informal name for the 1990 standardization of the C programming language defined by ISO/IEC 9899.
-
B.
C90
C90 is a popular Honda Super Cub variant, a small-displacement, step-through commuter motorcycle renowned for its reliability and widespread use worldwide.
-
C.
C9
C9 is the informal name for the Council of Cardinals, a small advisory body established by the pope to help him govern and reform the Roman Catholic Church.
-
D.
C-9
C-9 is a mountain railway line of Madrid’s Cercanías commuter rail network that connects the city with the Sierra de Guadarrama, including the Puerto de Navacerrada and Cotos areas.
-
E.
C09
C09 is the station code used by the Washington Metro to identify Pentagon City station on its rail network.
- 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: C90 Target entity description: C90 is a bright planetary nebula in the constellation Centaurus, popularly known as the Blue Planetary Nebula and a notable target for amateur astronomers.
-
A.
C90
C90 is the informal name for the 1990 standardization of the C programming language defined by ISO/IEC 9899.
-
B.
C90
C90 is a popular Honda Super Cub variant, a small-displacement, step-through commuter motorcycle renowned for its reliability and widespread use worldwide.
-
C.
C9
C9 is the informal name for the Council of Cardinals, a small advisory body established by the pope to help him govern and reform the Roman Catholic Church.
-
D.
C-9
C-9 is a mountain railway line of Madrid’s Cercanías commuter rail network that connects the city with the Sierra de Guadarrama, including the Puerto de Navacerrada and Cotos areas.
-
E.
C09
C09 is the station code used by the Washington Metro to identify Pentagon City station on its rail network.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.