SAO 21521
E1506496
UNEXPLORED
SAO 21521 is a catalog designation for Acamar, a bright binary star system in the constellation Eridanus.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SAO 21521 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T21885038 — 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: SAO 21521 Context triple: [Acamar, hasOtherDesignation, SAO 21521]
-
A.
SAO 251904
SAO 251904 is a star listed in the Smithsonian Astrophysical Observatory Star Catalog, corresponding to the Hipparcos entry HIP 60718.
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B.
SAO 210452
SAO 210452 is a cataloged star listed in the Smithsonian Astrophysical Observatory Star Catalog, corresponding to the star BD−34 12223.
-
C.
SAO 251145
SAO 251145 is a catalog designation for Epsilon Crucis, a bright red giant star in the Southern Cross constellation.
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D.
SAO 56628
SAO 56628 is a star listed in the Smithsonian Astrophysical Observatory Star Catalog, also known by the traditional name Atik in the constellation Perseus.
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E.
SAO 240019
SAO 240019 is a star listed in the Smithsonian Astrophysical Observatory Star Catalog, corresponding to the Hipparcos entry HIP 62434.
- 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: SAO 21521 Target entity description: SAO 21521 is a catalog designation for Acamar, a bright binary star system in the constellation Eridanus.
-
A.
SAO 251904
SAO 251904 is a star listed in the Smithsonian Astrophysical Observatory Star Catalog, corresponding to the Hipparcos entry HIP 60718.
-
B.
SAO 210452
SAO 210452 is a cataloged star listed in the Smithsonian Astrophysical Observatory Star Catalog, corresponding to the star BD−34 12223.
-
C.
SAO 251145
SAO 251145 is a catalog designation for Epsilon Crucis, a bright red giant star in the Southern Cross constellation.
-
D.
SAO 56628
SAO 56628 is a star listed in the Smithsonian Astrophysical Observatory Star Catalog, also known by the traditional name Atik in the constellation Perseus.
-
E.
SAO 240019
SAO 240019 is a star listed in the Smithsonian Astrophysical Observatory Star Catalog, corresponding to the Hipparcos entry HIP 62434.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.