Beta Orionis
E567039
Beta Orionis, better known as Rigel, is a luminous blue supergiant star that serves as one of the brightest stars in the constellation Orion and in the night sky.
All labels observed (2)
| Label | Occurrences |
|---|---|
| β Orionis | 2 |
| Beta Orionis canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5969781 — 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: Beta Orionis Context triple: [Rigel, alsoKnownAs, Beta Orionis]
-
A.
Delta Orionis
Delta Orionis, traditionally known as Mintaka, is a multiple star system that forms the westernmost star in Orion’s Belt and serves as an important navigational and astrophysical reference point.
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B.
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.
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C.
Alpha Orionis
Alpha Orionis is the Bayer designation for Betelgeuse, a prominent red supergiant star in the constellation Orion known for its brightness and variability.
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D.
Beta Crucis
Beta Crucis, also known as Mimosa, is a bright blue giant star in the Southern Cross constellation and one of the most prominent navigational stars in the southern sky.
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E.
Zeta Orionis
Zeta Orionis, traditionally known as Alnitak, is a massive, hot blue multiple star system forming the easternmost star 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: Beta Orionis Target entity description: Beta Orionis, better known as Rigel, is a luminous blue supergiant star that serves as one of the brightest stars in the constellation Orion and in the night sky.
-
A.
Delta Orionis
Delta Orionis, traditionally known as Mintaka, is a multiple star system that forms the westernmost star in Orion’s Belt and serves as an important navigational and astrophysical reference point.
-
B.
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.
-
C.
Alpha Orionis
Alpha Orionis is the Bayer designation for Betelgeuse, a prominent red supergiant star in the constellation Orion known for its brightness and variability.
-
D.
Beta Crucis
Beta Crucis, also known as Mimosa, is a bright blue giant star in the Southern Cross constellation and one of the most prominent navigational stars in the southern sky.
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E.
Zeta Orionis
Zeta Orionis, traditionally known as Alnitak, is a massive, hot blue multiple star system forming the easternmost star of Orion’s Belt.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | star ⓘ |
| absoluteMagnitudeV | −6.7 ⓘ |
| alsoKnownAs | Rigel NERFINISHED ⓘ |
| apparentMagnitudeV | 0.13 ⓘ |
| BayerDesignation | β Orionis NERFINISHED ⓘ |
| belongsToAsterism | Orion’s Belt and Sword region NERFINISHED ⓘ |
| colorIndexB−V | −0.03 ⓘ |
| componentOf | Orion OB1 association NERFINISHED ⓘ |
| constellation | Orion NERFINISHED ⓘ |
| declination | −08° 12′ 06″ ⓘ |
| distanceFromEarth_ly | approximately 860 light-years ⓘ |
| distanceFromEarth_pc | approximately 260 parsecs ⓘ |
| effectiveTemperature_K | approximately 12100 K ⓘ |
| equatorialCoordinateEpoch | J2000 ⓘ |
| FlamsteedDesignation | 19 Orionis NERFINISHED ⓘ |
| futureEvolution | will eventually explode as a supernova ⓘ |
| galacticLatitude_deg | −25.3 ⓘ |
| galacticLongitude_deg | 209.2 ⓘ |
| hasComponent |
Rigel A
NERFINISHED
ⓘ
Rigel B NERFINISHED ⓘ Rigel C NERFINISHED ⓘ Rigel D NERFINISHED ⓘ |
| hasCulturalSignificanceIn | Arabic astronomy ⓘ |
| HDNumber | HD 34085 NERFINISHED ⓘ |
| HIPNumber | HIP 24436 NERFINISHED ⓘ |
| HRNumber | HR 1713 NERFINISHED ⓘ |
| isOneOfBrightestStarsIn |
constellation Orion
ⓘ
night sky ⓘ |
| isVariableStar | true ⓘ |
| luminosity_solar | approximately 120000 solar luminosities ⓘ |
| mass_solar | approximately 18 solar masses ⓘ |
| metallicity_FeH | approximately 0.0 ⓘ |
| multiplicity | multiple star system ⓘ |
| parallax_mas | 3.78 ⓘ |
| parallaxError_mas | 0.34 ⓘ |
| positionInConstellation | left foot of Orion ⓘ |
| radialVelocity_kmPerSec | +18 ⓘ |
| radius_solar | approximately 70 solar radii ⓘ |
| rankByApparentBrightness | among top 10 brightest stars ⓘ |
| rightAscension | 05h 14m 32.3s ⓘ |
| rotationalVelocity_kmPerSec | 36 ⓘ |
| SIMBADIdentifier | Rigel NERFINISHED ⓘ |
| spectralType | B8Ia ⓘ |
| surfaceGravity_logg | approximately 1.75 ⓘ |
| traditionalNameOrigin | Arabic word "Rijl" meaning "foot" ⓘ |
| variableStarType | Alpha Cygni variable ⓘ |
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: Beta Orionis Description of subject: Beta Orionis, better known as Rigel, is a luminous blue supergiant star that serves as one of the brightest stars in the constellation Orion and in the night sky.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
β Orionis
this entity surface form:
β Orionis