58 Orionis
E557728
58 Orionis is a star in the constellation Orion, cataloged in the Flamsteed system and located near the prominent red supergiant Betelgeuse.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 58 Orionis canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5958633 — 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: 58 Orionis Context triple: [Betelgeuse, FlamsteedDesignation, 58 Orionis]
-
A.
50 Orionis
50 Orionis is a star in the constellation Orion, known as the Flamsteed-designated counterpart of the bright multiple star system Alnitak in Orion’s Belt.
-
B.
46 Orionis
46 Orionis is a star in the constellation Orion, known as the Flamsteed-designated counterpart of the bright central belt star Alnilam.
-
C.
Epsilon Orionis
Epsilon Orionis, traditionally known as Alnilam, is a luminous blue supergiant star forming the central "belt" star in the constellation Orion.
-
D.
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.
-
E.
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.
- 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: 58 Orionis Target entity description: 58 Orionis is a star in the constellation Orion, cataloged in the Flamsteed system and located near the prominent red supergiant Betelgeuse.
-
A.
50 Orionis
50 Orionis is a star in the constellation Orion, known as the Flamsteed-designated counterpart of the bright multiple star system Alnitak in Orion’s Belt.
-
B.
46 Orionis
46 Orionis is a star in the constellation Orion, known as the Flamsteed-designated counterpart of the bright central belt star Alnilam.
-
C.
Epsilon Orionis
Epsilon Orionis, traditionally known as Alnilam, is a luminous blue supergiant star forming the central "belt" star in the constellation Orion.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | star ⓘ |
| absoluteMagnitudeV | −1.7 ⓘ |
| age | tens of millions of years ⓘ |
| apparentMagnitudeV | 4.86 ⓘ |
| BDNumber | +07 1048 ⓘ |
| belongsTo | Milky Way ⓘ |
| catalog | Flamsteed designation ⓘ |
| colorIndexBminusV | −0.06 ⓘ |
| constellation | Orion ⓘ |
| declination | +07° 24′ 36″ ⓘ |
| distanceFromEarth |
approximately 190 parsecs
ⓘ
approximately 620 light-years ⓘ |
| effectiveTemperature | about 18,000 K ⓘ |
| epoch | J2000.0 ⓘ |
| equatorialCoordinateSystem |
ICRS
ⓘ
linked to:
International Celestial Reference System
|
| FlamsteedDesignation | 58 Orionis ⓘ |
| FlamsteedNumber | 58 ⓘ |
| galacticLatitude | −13.0° ⓘ |
| galacticLongitude | 203.4° ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasEmissionLines | hydrogen Balmer emission ⓘ |
| hasOpticalCompanion | visual companion at several arcseconds separation ⓘ |
| hasStellarDisk | Be circumstellar disk ⓘ |
| hemisphere | celestial equator region ⓘ |
| HenryDraperNumber | HD 41117 ⓘ |
| HipparcosNumber | HIP 28716 ⓘ |
| HRNumber | HR 2135 ⓘ |
| isBeStar | true ⓘ |
| isVariableStar | true ⓘ |
| luminosity | approximately 1,000 times solar luminosity ⓘ |
| mass | approximately 6 solar masses ⓘ |
| nearbyBrightStar | Betelgeuse ⓘ |
| observedIn |
optical band
ⓘ
ultraviolet band ⓘ |
| parallax | 5.27 mas ⓘ |
| parallaxError | 0.23 mas ⓘ |
| properMotionDec | −13.40 mas/yr ⓘ |
| properMotionRA | +1.40 mas/yr ⓘ |
| radialVelocity | +23 km/s ⓘ |
| radius | approximately 3.5 solar radii ⓘ |
| rightAscension | 05h 55m 30s ⓘ |
| rotationalVelocity | about 220 km/s ⓘ |
| SIMBADIdentifier |
58 Ori
ⓘ
HD 41117 ⓘ |
| skyLocation | near the shoulder region of Orion ⓘ |
| spectralType | B3V ⓘ |
| stellarClassification | B-type main-sequence star ⓘ |
| variableStarType |
Gamma Cassiopeiae-type
ⓘ
linked to:
Gamma Cassiopeiae
|
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: 58 Orionis Description of subject: 58 Orionis is a star in the constellation Orion, cataloged in the Flamsteed system and located near the prominent red supergiant Betelgeuse.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.