HD 74739
E586765
HD 74739 is a star in the constellation Cancer, known more commonly by its Bayer designation Gamma Cancri.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HD 74739 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6329790 — 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: HD 74739 Context triple: [Gamma Cancri, hasCatalogIdentifier, HD 74739]
-
A.
HD 74442
HD 74442 is a star in the constellation Cancer, known as Delta Cancri, which serves as an important reference point in stellar catalogs.
-
B.
HD 74442
HD 74442 is a star in the constellation Cancer, better known by its traditional name Asellus Australis.
-
C.
HD 215497
HD 215497 is a star located in the constellation Tucana, known to host at least one exoplanet.
-
D.
HD 37742
HD 37742 is the bright blue supergiant star better known as Alnitak, the easternmost star in Orion’s Belt.
-
E.
HD 76756
HD 76756, also known as Acubens, is a multiple star system in the constellation Cancer that serves as one of the constellation’s primary named stars.
- 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: HD 74739 Target entity description: HD 74739 is a star in the constellation Cancer, known more commonly by its Bayer designation Gamma Cancri.
-
A.
HD 74442
HD 74442 is a star in the constellation Cancer, known as Delta Cancri, which serves as an important reference point in stellar catalogs.
-
B.
HD 74442
HD 74442 is a star in the constellation Cancer, better known by its traditional name Asellus Australis.
-
C.
HD 215497
HD 215497 is a star located in the constellation Tucana, known to host at least one exoplanet.
-
D.
HD 37742
HD 37742 is the bright blue supergiant star better known as Alnitak, the easternmost star in Orion’s Belt.
-
E.
HD 76756
HD 76756, also known as Acubens, is a multiple star system in the constellation Cancer that serves as one of the constellation’s primary named stars.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf | star ⓘ |
| hasAge | hundreds of millions of years (approximate) ⓘ |
| hasApparentMagnitudeV | 4.66 ⓘ |
| hasBayerDesignation | Gamma Cancri NERFINISHED ⓘ |
| hasBayerGenitive | Cancri NERFINISHED ⓘ |
| hasBayerLetter | Gamma ⓘ |
| hasBDDesignation | BD+22 1902 NERFINISHED ⓘ |
| hasColorIndexBminusV | +0.02 ⓘ |
| hasConstellationAbbreviation | Cnc NERFINISHED ⓘ |
| hasDeclination | +21° 28′ (approx) ⓘ |
| hasDistanceFromEarth | approximately 280 light-years ⓘ |
| hasEffectiveTemperature | about 9,300 K ⓘ |
| hasEquatorialCoordinateSystem | ICRS NERFINISHED ⓘ |
| hasFlamsteedDesignation | 4 Cancri NERFINISHED ⓘ |
| hasGalacticPopulation | thin disk star ⓘ |
| hasHenryDraperDesignation | HD 74739 NERFINISHED ⓘ |
| hasHipparcosDesignation | HIP 43103 NERFINISHED ⓘ |
| hasHRDesignation | HR 3482 NERFINISHED ⓘ |
| hasLuminosity | about 60 times solar luminosity ⓘ |
| hasMass | about 2.5 solar masses ⓘ |
| hasMetallicity | near-solar metallicity ⓘ |
| hasParallax | 11.5 mas ⓘ |
| hasProperMotionDec | −9 mas/yr ⓘ |
| hasProperMotionRA | −40 mas/yr ⓘ |
| hasRadialVelocity | −4 km/s ⓘ |
| hasRadius | about 3 solar radii ⓘ |
| hasRightAscension | 08h 19m (approx) ⓘ |
| hasRotationalVelocity | moderate projected rotational velocity ⓘ |
| hasSIMBADIdentifier | Gamma+Cancri NERFINISHED ⓘ |
| hasSpectralType | A1IV ⓘ |
| hasStellarClassification | A-type subgiant ⓘ |
| hasVariableStarStatus | non-variable (no significant variability known) ⓘ |
| isPartOf | Milky Way NERFINISHED ⓘ |
| isVisibleToNakedEye | true ⓘ |
| locatedInConstellation | Cancer NERFINISHED ⓘ |
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: HD 74739 Description of subject: HD 74739 is a star in the constellation Cancer, known more commonly by its Bayer designation Gamma Cancri.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.