Lambda Sagittarii
E469618
Lambda Sagittarii is a bright star in the constellation Sagittarius that marks the top of the Teapot asterism.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Lambda Sagittarii canonical | 2 |
| 34 Sagittarii | 1 |
| λ Sagittarii | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4618970 — 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: Lambda Sagittarii Context triple: [the Teapot, hasPart, Lambda Sagittarii]
-
A.
Phi Sagittarii
Phi Sagittarii is a bright B-type giant star in the constellation Sagittarius, notable as one of the stars forming the asterism known as the Teapot.
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B.
Delta Sagittarii
Delta Sagittarii is a bright giant star in the constellation Sagittarius, forming part of the prominent asterism known as the Teapot.
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C.
Epsilon Sagittarii
Epsilon Sagittarii is a prominent binary star system in the constellation Sagittarius, notable as one of its most luminous and easily visible stars.
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D.
Zeta Sagittarii
Zeta Sagittarii is a bright multiple star system in the constellation Sagittarius, forming part of the asterism known as the Teapot.
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E.
Epsilon Crucis
Epsilon Crucis is a bright star in the Southern Cross constellation, prominently featured on the Australian national flag.
- 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: Lambda Sagittarii Target entity description: Lambda Sagittarii is a bright star in the constellation Sagittarius that marks the top of the Teapot asterism.
-
A.
Phi Sagittarii
Phi Sagittarii is a bright B-type giant star in the constellation Sagittarius, notable as one of the stars forming the asterism known as the Teapot.
-
B.
Delta Sagittarii
Delta Sagittarii is a bright giant star in the constellation Sagittarius, forming part of the prominent asterism known as the Teapot.
-
C.
Epsilon Sagittarii
Epsilon Sagittarii is a prominent binary star system in the constellation Sagittarius, notable as one of its most luminous and easily visible stars.
-
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.
Epsilon Crucis
Epsilon Crucis is a bright star in the Southern Cross constellation, prominently featured on the Australian national flag.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
ⓘ
giant star ⓘ spectroscopic binary star ⓘ star ⓘ |
| hasApparentMagnitudeV | 2.82 ⓘ |
| hasArabicName | Kaus Borealis NERFINISHED ⓘ |
| hasBayerDesignation |
Lambda Sgr
NERFINISHED
ⓘ
λ Sagittarii NERFINISHED ⓘ |
| hasChineseName | 斗宿三 NERFINISHED ⓘ |
| hasChineseTransliteration | Dǒu Sù sān ⓘ |
| hasColorIndexBminusV | +1.01 ⓘ |
| hasColorIndexUminusB | +0.86 ⓘ |
| hasConstellationAbbreviation | Sgr ⓘ |
| hasConstellationFamily | Zodiac NERFINISHED ⓘ |
| hasDeclination | −25° 25′ 18.4″ ⓘ |
| hasDistanceFromEarth | about 146 light-years ⓘ |
| hasEffectiveTemperature | around 4900 K ⓘ |
| hasEpoch | J2000.0 ⓘ |
| hasEquinox | J2000.0 ⓘ |
| hasFlamsteedDesignation | 12 Sagittarii NERFINISHED ⓘ |
| hasGalacticLatitude | −10.7724° ⓘ |
| hasGalacticLongitude | 6.4002° ⓘ |
| hasHDIdentifier | HD 169916 NERFINISHED ⓘ |
| hasHIPIdentifier | HIP 90496 NERFINISHED ⓘ |
| hasHRIdentifier | HR 6913 NERFINISHED ⓘ |
| hasLuminosity | about 52 times solar luminosity ⓘ |
| hasMass | about 2.6 solar masses ⓘ |
| hasMetallicityFeH | −0.02 ⓘ |
| hasParallax | 22.39 mas ⓘ |
| hasParallaxError | 0.23 mas ⓘ |
| hasProperMotionDec | −184.52 mas/yr ⓘ |
| hasProperMotionRA | +44.22 mas/yr ⓘ |
| hasProperName | Kaus Borealis NERFINISHED ⓘ |
| hasRadialVelocity | −20 km/s ⓘ |
| hasRadius | about 11.2 solar radii ⓘ |
| hasRightAscension | 18h 27m 58.23s ⓘ |
| hasRotationalVelocity | 3.8 km/s ⓘ |
| hasSIMBADIdentifier | lam Sgr NERFINISHED ⓘ |
| hasSpectralClass | K0IV ⓘ |
| hasSurfaceGravityLogg | 2.7 ⓘ |
| isBrightStar | true ⓘ |
| isNakedEyeVisible | true ⓘ |
| isPartOfAsterism | Sagittarius Teapot NERFINISHED ⓘ |
| locatedInConstellation | Sagittarius NERFINISHED ⓘ |
| marksAsterismFeature | top of the Teapot ⓘ |
| marksAsterismPart | Teapot asterism NERFINISHED ⓘ |
| nameMeaning | northern bow (for Kaus Borealis) ⓘ |
| visibleFromEarthHemisphere | primarily southern sky ⓘ |
| visibleInBand | visible light ⓘ |
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: Lambda Sagittarii Description of subject: Lambda Sagittarii is a bright star in the constellation Sagittarius that marks the top of the Teapot asterism.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
λ Sagittarii
this entity surface form:
34 Sagittarii