Kappa Orionis
E572550
Kappa Orionis, traditionally known as Saiph, is a bright blue supergiant star marking one of the knees of the constellation Orion.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Kappa Orionis canonical | 1 |
| κ Orionis | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6094931 — 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: Kappa Orionis Context triple: [Saiph, otherName, Kappa Orionis]
-
A.
Gamma Orionis
Gamma Orionis, better known as Bellatrix, is a bright blue giant star in the constellation Orion that serves as one of its prominent shoulder stars.
-
B.
Kappa Tucanae
Kappa Tucanae is a star system located in the southern constellation Tucana.
-
C.
Canopus
Canopus was an ancient Egyptian coastal city near modern-day Alexandria, known as a major religious center and sanctuary dedicated to the goddess Isis.
-
D.
Epsilon Orionis
Epsilon Orionis, traditionally known as Alnilam, is a luminous blue supergiant star forming the central "belt" star in the constellation Orion.
-
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: Kappa Orionis Target entity description: Kappa Orionis, traditionally known as Saiph, is a bright blue supergiant star marking one of the knees of the constellation Orion.
-
A.
Gamma Orionis
Gamma Orionis, better known as Bellatrix, is a bright blue giant star in the constellation Orion that serves as one of its prominent shoulder stars.
-
B.
Kappa Tucanae
Kappa Tucanae is a star system located in the southern constellation Tucana.
-
C.
Canopus
Canopus was an ancient Egyptian coastal city near modern-day Alexandria, known as a major religious center and sanctuary dedicated to the goddess Isis.
-
D.
Epsilon Orionis
Epsilon Orionis, traditionally known as Alnilam, is a luminous blue supergiant star forming the central "belt" star in the constellation Orion.
-
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 (48)
| Predicate | Object |
|---|---|
| instanceOf |
star
ⓘ
supergiant star ⓘ |
| absoluteMagnitudeV | −6.0 ⓘ |
| age | on the order of a few million years ⓘ |
| apparentMagnitudeV | 2.06 ⓘ |
| bayerDesignation | κ Orionis ⓘ |
| belongsTo |
Milky Way galaxy
ⓘ
linked to:
Milky Way
|
| catalogDesignation |
BD−09 1235
ⓘ
GC 7284 ⓘ SAO 132542 ⓘ |
| colorIndexB−V | −0.21 ⓘ |
| colorIndexU−B | −0.97 ⓘ |
| componentOf |
Orion constellation asterism
ⓘ
linked to:
Orion constellation
|
| constellation | Orion ⓘ |
| declination | −09° 40′ 11″ ⓘ |
| distanceFromEarth |
about 200 parsecs
ⓘ
about 650 light-years ⓘ |
| dominantFusionProcess | helium and heavier element fusion in core or shell ⓘ |
| effectiveTemperature | about 26,500 K ⓘ |
| equatorialCoordinateSystem |
ICRS
ⓘ
linked to:
International Celestial Reference System
|
| evolutionaryStage | post-main-sequence ⓘ |
| flamsteedDesignation | 53 Orionis ⓘ |
| futureEvolution | core-collapse supernova candidate ⓘ |
| galacticLatitude | −25.3° ⓘ |
| galacticLongitude | 214.5° ⓘ |
| hasStellarWind | strong ⓘ |
| hdNumber | HD 38771 ⓘ |
| hemisphereVisibility | both northern and southern hemispheres ⓘ |
| hipparcosNumber | HIP 27366 ⓘ |
| hrNumber | HR 2004 ⓘ |
| locatedIn |
Orion Arm of the Milky Way
ⓘ
linked to:
Orion Arm
|
| luminosity | about 57,000 times the Sun ⓘ |
| luminosityClass | Ia ⓘ |
| marks | right knee of Orion ⓘ |
| mass | about 15 times the Sun ⓘ |
| metallicity | slightly sub-solar ⓘ |
| opticalColor | blue-white ⓘ |
| parallax | 4.38 mas ⓘ |
| properMotionDec | +1.99 mas/yr ⓘ |
| properMotionRA | +1.55 mas/yr ⓘ |
| radialVelocity | +21 km/s ⓘ |
| radius | about 22 times the Sun ⓘ |
| rightAscension | 05h 47m 45.4s ⓘ |
| spectralType | B0.5Ia ⓘ |
| surfaceGravity | low compared to main-sequence B stars ⓘ |
| traditionalName | Saiph ⓘ |
| variableStarStatus | suspected variable ⓘ |
| visibleToNakedEye | true ⓘ |
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: Kappa Orionis Description of subject: Kappa Orionis, traditionally known as Saiph, is a bright blue supergiant star marking one of the knees of the constellation Orion.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.