HD 24912
E459034
HD 24912, also known as ξ Persei, is a bright, massive O-type star in the constellation Perseus and a prominent member of the Perseus OB2 stellar association.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HD 24912 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4617634 — 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: HD 24912 Context triple: [Perseus OB2 association, hasMember, HD 24912]
-
A.
HD 23480
HD 23480 is a bright B-type main-sequence star in the constellation Taurus, visible to the naked eye and cataloged under multiple stellar designations including 23 Tauri.
-
B.
HD 29139
HD 29139 is the bright orange giant star Aldebaran, the prominent "eye" of the constellation Taurus and one of the brightest stars in the night sky.
-
C.
HIP 21421
HIP 21421 is the Hipparcos catalog designation for Aldebaran, the bright orange giant star that marks the eye of the constellation Taurus.
-
D.
Udir
Udir is the commonly used abbreviation for the Norwegian Directorate for Education and Training, the national authority responsible for implementing and overseeing Norway’s education policy.
-
E.
Delta Capricorni
Delta Capricorni is a multiple star system in the constellation Capricornus, notable as its most luminous star and commonly known by the traditional name Deneb Algedi.
- 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: HD 24912 Target entity description: HD 24912, also known as ξ Persei, is a bright, massive O-type star in the constellation Perseus and a prominent member of the Perseus OB2 stellar association.
-
A.
HD 23480
HD 23480 is a bright B-type main-sequence star in the constellation Taurus, visible to the naked eye and cataloged under multiple stellar designations including 23 Tauri.
-
B.
HD 29139
HD 29139 is the bright orange giant star Aldebaran, the prominent "eye" of the constellation Taurus and one of the brightest stars in the night sky.
-
C.
HIP 21421
HIP 21421 is the Hipparcos catalog designation for Aldebaran, the bright orange giant star that marks the eye of the constellation Taurus.
-
D.
Udir
Udir is the commonly used abbreviation for the Norwegian Directorate for Education and Training, the national authority responsible for implementing and overseeing Norway’s education policy.
-
E.
Delta Capricorni
Delta Capricorni is a multiple star system in the constellation Capricornus, notable as its most luminous star and commonly known by the traditional name Deneb Algedi.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
O-type star
ⓘ
main-sequence star ⓘ massive star ⓘ spectroscopic binary candidate ⓘ star ⓘ |
| ageMillionYears | about 6 ⓘ |
| alsoKnownAs |
BD+34 784
NERFINISHED
ⓘ
HIP 18614 NERFINISHED ⓘ HR 1203 NERFINISHED ⓘ SAO 56799 NERFINISHED ⓘ Xi Persei NERFINISHED ⓘ ξ Persei NERFINISHED ⓘ |
| apparentMagnitudeV | 4.04 ⓘ |
| catalogIdentifier | HD 24912 NERFINISHED ⓘ |
| colorIndexBMinusV | 0.09 ⓘ |
| constellation | Perseus NERFINISHED ⓘ |
| coordinatesEpoch | J2000 ⓘ |
| declination | +35° 47′ 27″ ⓘ |
| distanceFromEarthLightYears | approximately 1080 ⓘ |
| distanceFromEarthParsecs | approximately 330 ⓘ |
| effectiveTemperatureKelvin | around 35000 ⓘ |
| galacticLatitudeDegrees | -13.11 ⓘ |
| galacticLongitudeDegrees | 160.37 ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasNonRadialPulsations | candidate ⓘ |
| hasOpticalVariability | yes ⓘ |
| hasStellarWind | yes ⓘ |
| heliumEnrichment | yes ⓘ |
| locatedIn |
Milky Way
ⓘ
Orion Arm NERFINISHED ⓘ |
| luminositySolarLuminosities | approximately 2.8e5 ⓘ |
| massSolarMasses | approximately 40 ⓘ |
| memberOf | Perseus OB2 association NERFINISHED ⓘ |
| observedIn |
Gaia mission
NERFINISHED
ⓘ
Hipparcos mission NERFINISHED ⓘ |
| parallaxErrorMilliarcseconds | 0.16 ⓘ |
| parallaxMilliarcseconds | 3.01 ⓘ |
| properMotionDECmasPerYr | -13.28 ⓘ |
| properMotionRAmasPerYr | 1.86 ⓘ |
| radialVelocityKmPerSec | -80 ⓘ |
| radiusSolarRadii | approximately 14 ⓘ |
| rightAscension | 03h 57m 51.2s ⓘ |
| rotationalVelocityKmPerSec | about 215 ⓘ |
| runawayStarCandidate | yes ⓘ |
| spectralType | O7.5III(n)((f)) ⓘ |
| stellarWindType | strong radiatively driven wind ⓘ |
| variableType | irregular 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: HD 24912 Description of subject: HD 24912, also known as ξ Persei, is a bright, massive O-type star in the constellation Perseus and a prominent member of the Perseus OB2 stellar association.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.