BD+18 2029
E584560
BD+18 2029 is a Bonner Durchmusterung catalog designation corresponding to the star Delta Cancri in the constellation Cancer.
All labels observed (1)
| Label | Occurrences |
|---|---|
| BD+18 2029 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6301632 — 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+18 2029 Context triple: [Delta Cancri, hasCatalogIdentifier, BD+18 2029]
-
A.
Epsilon Microscopii
Epsilon Microscopii is a relatively bright star located in the southern constellation Microscopium.
-
B.
HIP 26727
HIP 26727 is the Hipparcos catalog designation for Alnitak, a bright multiple star system forming the easternmost star of Orion’s Belt.
-
C.
HD 281159
HD 281159 is a young, massive star located in the Perseus OB2 stellar association, a nearby region of recent star formation in the constellation Perseus.
-
D.
Zeta Sagittarii
Zeta Sagittarii is a bright multiple star system in the constellation Sagittarius, forming part of the asterism known as the Teapot.
-
E.
HIP 26311
HIP 26311 is the Hipparcos catalog designation for Alnilam, the bright blue supergiant star forming the central point of Orion’s Belt.
- 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+18 2029 Target entity description: BD+18 2029 is a Bonner Durchmusterung catalog designation corresponding to the star Delta Cancri in the constellation Cancer.
-
A.
Epsilon Microscopii
Epsilon Microscopii is a relatively bright star located in the southern constellation Microscopium.
-
B.
HIP 26727
HIP 26727 is the Hipparcos catalog designation for Alnitak, a bright multiple star system forming the easternmost star of Orion’s Belt.
-
C.
HD 281159
HD 281159 is a young, massive star located in the Perseus OB2 stellar association, a nearby region of recent star formation in the constellation Perseus.
-
D.
Zeta Sagittarii
Zeta Sagittarii is a bright multiple star system in the constellation Sagittarius, forming part of the asterism known as the Teapot.
-
E.
HIP 26311
HIP 26311 is the Hipparcos catalog designation for Alnilam, the bright blue supergiant star forming the central point of Orion’s Belt.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf | star ⓘ |
| hasAge | approximately 3.5 billion years ⓘ |
| hasApparentMagnitudeV | 3.94 ⓘ |
| hasBayerDesignation | δ Cancri NERFINISHED ⓘ |
| hasBDNumber | +18 2029 ⓘ |
| hasCatalogDesignation |
BD+18 2029
NERFINISHED
ⓘ
FK5 319 NERFINISHED ⓘ HD 74442 NERFINISHED ⓘ HIP 42911 NERFINISHED ⓘ HR 3429 NERFINISHED ⓘ SAO 98087 NERFINISHED ⓘ |
| hasColorIndexBMinusV | +1.02 ⓘ |
| hasConstellation | Cancer NERFINISHED ⓘ |
| hasConstellationAbbreviation | Cnc NERFINISHED ⓘ |
| hasDeclination | +18° 09′ 15″ ⓘ |
| hasDesignation | Bonner Durchmusterung NERFINISHED ⓘ |
| hasDistanceFromEarth | approximately 170 light-years ⓘ |
| hasEclipticLongitude | near ecliptic ⓘ |
| hasEffectiveTemperature | about 4,800 K ⓘ |
| hasEquinox | J2000 ⓘ |
| hasFlamsteedDesignation | 43 Cancri NERFINISHED ⓘ |
| hasGalacticLatitude | +32.52 ⓘ |
| hasGalacticLongitude | 206.89 ⓘ |
| hasLuminosity | approximately 52 times solar luminosity ⓘ |
| hasMass | approximately 1.7 solar masses ⓘ |
| hasMetallicityFeH | approximately −0.14 ⓘ |
| hasParallax | 19.15 mas ⓘ |
| hasProperMotionDec | −48.14 mas/yr ⓘ |
| hasProperMotionRA | −46.35 mas/yr ⓘ |
| hasProperName | Asellus Australis NERFINISHED ⓘ |
| hasRadialVelocity | +23 km/s ⓘ |
| hasRadius | approximately 11 solar radii ⓘ |
| hasRightAscension | 08h 44m 41.1s ⓘ |
| hasSpectralType | K0III ⓘ |
| hasVariableType | non-variable ⓘ |
| hasVisibility | nakedEye ⓘ |
| identicalTo | Delta Cancri NERFINISHED ⓘ |
| isBrightestStarIn | BeehiveClusterRegionOfSky ⓘ |
| isEvolutionaryStage | redGiantBranchStar ⓘ |
| isPartOf | constellation Cancer NERFINISHED ⓘ |
| isUsedFor | lunarOccultationObservations ⓘ |
| isVisibleFrom |
NorthernHemisphere
NERFINISHED
ⓘ
SouthernHemisphereSubtropics 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: BD+18 2029 Description of subject: BD+18 2029 is a Bonner Durchmusterung catalog designation corresponding to the star Delta Cancri in the constellation Cancer.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.