Sigma Octantis
E1424400
UNEXPLORED
Sigma Octantis is a faint star in the southern sky that serves as the current South Celestial Pole star.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sigma Octantis canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T20326915 — 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: Sigma Octantis Context triple: [Octans, contains, Sigma Octantis]
-
A.
Crux Australis
Crux Australis is the Latin name for the Southern Cross, a prominent constellation in the southern sky used historically for navigation and featured on several national flags.
-
B.
Vera Crux
Vera Crux is the Latin name traditionally given to the True Cross, the relic believed to be the actual cross upon which Jesus Christ was crucified.
-
C.
Kappa Crucis
Kappa Crucis is a prominent blue giant star in the southern constellation Crux, notable as a key member of the Jewel Box open star cluster.
-
D.
Achernar
Achernar is a bright, rapidly rotating blue-white star and the ninth-brightest star in the night sky, marking the end of the constellation Eridanus.
-
E.
Alpha Pavonis
Alpha Pavonis is the brightest star in the southern constellation Pavo, notable as a hot, massive blue-white star visible to the naked eye.
- 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: Sigma Octantis Target entity description: Sigma Octantis is a faint star in the southern sky that serves as the current South Celestial Pole star.
-
A.
Crux Australis
Crux Australis is the Latin name for the Southern Cross, a prominent constellation in the southern sky used historically for navigation and featured on several national flags.
-
B.
Vera Crux
Vera Crux is the Latin name traditionally given to the True Cross, the relic believed to be the actual cross upon which Jesus Christ was crucified.
-
C.
Kappa Crucis
Kappa Crucis is a prominent blue giant star in the southern constellation Crux, notable as a key member of the Jewel Box open star cluster.
-
D.
Achernar
Achernar is a bright, rapidly rotating blue-white star and the ninth-brightest star in the night sky, marking the end of the constellation Eridanus.
-
E.
Alpha Pavonis
Alpha Pavonis is the brightest star in the southern constellation Pavo, notable as a hot, massive blue-white star visible to the naked eye.
- F. None of above. chosen
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.