BD+12 1919
E572598
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| BD+12 1919 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6175090 — 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+12 1919 Context triple: [Acubens, hasOtherDesignation, BD+12 1919]
-
A.
Baade V
Baade V is a small lunar impact crater that forms one of the satellite craters surrounding the larger Baade crater on the Moon’s surface.
-
B.
Barnard 1
Barnard 1 is a dense, star-forming dark cloud within the Perseus molecular cloud complex, known as a site of low-mass stellar and protostellar formation.
-
C.
Baade N
Baade N is a small lunar impact crater that forms one of the satellite craters surrounding the larger Baade crater on the Moon’s surface.
-
D.
Beta Doradus
Beta Doradus is a bright classical Cepheid variable star in the southern constellation Dorado, notable as an important standard candle for measuring cosmic distances.
-
E.
R Doradus
R Doradus is a nearby, very large and luminous red giant Mira-type variable star located in the southern constellation Dorado.
- 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+12 1919 Target entity description: 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.
-
A.
Baade V
Baade V is a small lunar impact crater that forms one of the satellite craters surrounding the larger Baade crater on the Moon’s surface.
-
B.
Barnard 1
Barnard 1 is a dense, star-forming dark cloud within the Perseus molecular cloud complex, known as a site of low-mass stellar and protostellar formation.
-
C.
Baade N
Baade N is a small lunar impact crater that forms one of the satellite craters surrounding the larger Baade crater on the Moon’s surface.
-
D.
Beta Doradus
Beta Doradus is a bright classical Cepheid variable star in the southern constellation Dorado, notable as an important standard candle for measuring cosmic distances.
-
E.
R Doradus
R Doradus is a nearby, very large and luminous red giant Mira-type variable star located in the southern constellation Dorado.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
multiple star system
ⓘ
star system ⓘ stellar catalog designation ⓘ |
| hasApparentMagnitude | about 4.26 ⓘ |
| hasBayerDesignation | Alpha Cancri ⓘ |
| hasCatalogDeclinationZone | +12 ⓘ |
| hasCatalogNumber | 1919 ⓘ |
| hasCatalogPrefix | BD ⓘ |
| hasComponent |
Acubens A
ⓘ
linked to:
Acubens
Acubens B ⓘ
linked to:
Acubens
|
| hasDesignation | BD+12 1919 ⓘ |
| hasDistanceFromEarth | tens of parsecs (order of magnitude) ⓘ |
| hasEquatorialCoordinateSystem | used for position ⓘ |
| hasFlamsteedDesignation | 4 Cancri ⓘ |
| hasIAUApprovedName | Acubens ⓘ |
| hasMeaningOfName | “the claw” in Arabic ⓘ |
| hasProperName | Acubens ⓘ |
| hasRightAscensionEpochJ2000 | in constellation Cancer region ⓘ |
| hasSpectralType | A-type (primary component) ⓘ |
| hasTraditionalName | Acubens ⓘ |
| isCataloguedIn | Bonner Durchmusterung ⓘ |
| isComponentOf | Cancer constellation ⓘ |
| isIAUApprovedNameFor | Alpha Cancri ⓘ |
| isInConstellation |
Cancer
ⓘ
Cancer ⓘ |
| isLocatedIn | Milky Way ⓘ |
| isPartOf | Cancer asterism ⓘ |
| isPrimaryNamedStarOf | Cancer ⓘ |
| isVisibleTo | naked eye ⓘ |
| refersTo |
Acubens
ⓘ
Acubens ⓘ |
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+12 1919 Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
BD+12 1919