BD+09 1905
E1566315
UNEXPLORED
BD+09 1905 is the Bonner Durchmusterung catalog designation for the star Al Tarf (Beta Cancri), the brightest star in the constellation Cancer.
All labels observed (1)
| Label | Occurrences |
|---|---|
| BD+09 1905 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T22999394 — 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: BD+09 1905 Context triple: [Al Tarf, hasBDDesignation, BD+09 1905]
-
A.
BD+06 919
BD+06 919 is a star listed in the Bonner Durchmusterung (BD) astronomical catalog, corresponding to the Hipparcos object HIP 25336.
-
B.
BD−09 1235
BD−09 1235 is a catalog designation for Kappa Orionis, a bright blue supergiant star in the constellation Orion.
-
C.
BD−09 4984
BD−09 4984 is a star listed in the Bonner Durchmusterung catalog that is classified as a Delta Scuti-type variable, exhibiting short-period pulsations in brightness.
-
D.
BD+06 1309
BD+06 1309 is a massive, highly luminous spectroscopic binary star system better known as Plaskett’s Star, located in the constellation Monoceros.
-
E.
BD+07 1055
BD+07 1055 is a stellar catalog designation corresponding to the bright red supergiant star HD 39801, better known as Betelgeuse in the constellation Orion.
- 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: BD+09 1905 Target entity description: BD+09 1905 is the Bonner Durchmusterung catalog designation for the star Al Tarf (Beta Cancri), the brightest star in the constellation Cancer.
-
A.
BD+06 919
BD+06 919 is a star listed in the Bonner Durchmusterung (BD) astronomical catalog, corresponding to the Hipparcos object HIP 25336.
-
B.
BD−09 1235
BD−09 1235 is a catalog designation for Kappa Orionis, a bright blue supergiant star in the constellation Orion.
-
C.
BD−09 4984
BD−09 4984 is a star listed in the Bonner Durchmusterung catalog that is classified as a Delta Scuti-type variable, exhibiting short-period pulsations in brightness.
-
D.
BD+06 1309
BD+06 1309 is a massive, highly luminous spectroscopic binary star system better known as Plaskett’s Star, located in the constellation Monoceros.
-
E.
BD+07 1055
BD+07 1055 is a stellar catalog designation corresponding to the bright red supergiant star HD 39801, better known as Betelgeuse in the constellation Orion.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.