BD+21 1907
E586767
BD+21 1907 is a catalog designation for Gamma Cancri, a white A-type giant star in the constellation Cancer.
All labels observed (1)
| Label | Occurrences |
|---|---|
| BD+21 1907 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6329792 — 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+21 1907 Context triple: [Gamma Cancri, hasCatalogIdentifier, BD+21 1907]
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A.
BD+12 1919
BD+12 1919 is a stellar catalog designation for Acubens, a multiple star system in the constellation Cancer that serves as one of its primary named stars.
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B.
BD+18 2019
BD+18 2019 is a Bonner Durchmusterung catalog designation corresponding to the star Asellus Australis (Delta Cancri) in the constellation Cancer.
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C.
BD+23 550
BD+23 550 is a star in the constellation Taurus, better known as Taygeta, one of the prominent members of the Pleiades star cluster.
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D.
BD+16 629
BD+16 629 is a star in the constellation Taurus, listed in multiple stellar catalogs and also known by the designation HR 1457.
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E.
BD+23 455
BD+23 455, also known as Sterope I, is a star in the Pleiades open star cluster in the constellation Taurus.
- 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+21 1907 Target entity description: BD+21 1907 is a catalog designation for Gamma Cancri, a white A-type giant star in the constellation Cancer.
-
A.
BD+12 1919
BD+12 1919 is a stellar catalog designation for Acubens, a multiple star system in the constellation Cancer that serves as one of its primary named stars.
-
B.
BD+18 2019
BD+18 2019 is a Bonner Durchmusterung catalog designation corresponding to the star Asellus Australis (Delta Cancri) in the constellation Cancer.
-
C.
BD+23 550
BD+23 550 is a star in the constellation Taurus, better known as Taygeta, one of the prominent members of the Pleiades star cluster.
-
D.
BD+16 629
BD+16 629 is a star in the constellation Taurus, listed in multiple stellar catalogs and also known by the designation HR 1457.
-
E.
BD+23 455
BD+23 455, also known as Sterope I, is a star in the Pleiades open star cluster in the constellation Taurus.
- F. None of above. chosen
Statements (31)
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: BD+21 1907 Description of subject: BD+21 1907 is a catalog designation for Gamma Cancri, a white A-type giant star in the constellation Cancer.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.