HD 24398
E460830
HD 24398, also known as ζ Persei, is a bright blue supergiant star in the constellation Perseus and a prominent member of the Perseus OB2 stellar association.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HD 24398 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4617635 — 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 24398 Context triple: [Perseus OB2 association, hasMember, HD 24398]
-
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 24912
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.
-
C.
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.
-
D.
HD 23180
HD 23180 is a hot, massive early-type star located in the Perseus constellation and is notable as a prominent member of the Perseus OB2 stellar association.
-
E.
HD 22951
HD 22951 is a hot, massive young star located in the Perseus constellation and belonging to the Perseus OB2 stellar association.
- 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 24398 Target entity description: HD 24398, also known as ζ Persei, is a bright blue supergiant 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 24912
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.
-
C.
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.
-
D.
HD 23180
HD 23180 is a hot, massive early-type star located in the Perseus constellation and is notable as a prominent member of the Perseus OB2 stellar association.
-
E.
HD 22951
HD 22951 is a hot, massive young star located in the Perseus constellation and belonging to the Perseus OB2 stellar association.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
blue supergiant
ⓘ
spectroscopic binary candidate ⓘ star ⓘ |
| alsoKnownAs |
Zet Per
NERFINISHED
ⓘ
Zeta Persei NERFINISHED ⓘ ζ Persei NERFINISHED ⓘ |
| hasAbsoluteMagnitudeV | about −5.2 ⓘ |
| hasAge | about 7 million years ⓘ |
| hasApparentMagnitudeV | 2.85 ⓘ |
| hasBDDesignation | +31 0643 ⓘ |
| hasCatalog | Henry Draper Catalogue NERFINISHED ⓘ |
| hasCatalogNumber | HD 24398 NERFINISHED ⓘ |
| hasColorIndexBMinusV | −0.19 ⓘ |
| hasColorIndexUMinusB | −0.93 ⓘ |
| hasConstellation | Perseus NERFINISHED ⓘ |
| hasDeclination | +31° 53′ 01″ ⓘ |
| hasDistance |
approximately 300 parsecs
ⓘ
approximately 980 light-years ⓘ |
| hasEffectiveTemperature | about 21,000 K ⓘ |
| hasEquinox | J2000.0 ⓘ |
| hasFlamsteedDesignation | 44 Persei NERFINISHED ⓘ |
| hasGalacticLatitude | −17.74° ⓘ |
| hasGalacticLongitude | 160.36° ⓘ |
| hasHIPDesignation | HIP 18396 NERFINISHED ⓘ |
| hasHRDesignation | HR 1203 NERFINISHED ⓘ |
| hasInterstellarMediumFeature |
diffuse interstellar bands
ⓘ
strong interstellar absorption lines ⓘ |
| hasLuminosity | about 47,000 times solar luminosity ⓘ |
| hasMass | about 13 solar masses ⓘ |
| hasMetallicity | near solar ⓘ |
| hasParallax | 3.33 mas ⓘ |
| hasParallaxError | 0.16 mas ⓘ |
| hasPhotometricSystemMagnitudeB | 2.66 ⓘ |
| hasPhotometricSystemMagnitudeV | 2.85 ⓘ |
| hasProperMotionDec | −8.44 mas/yr ⓘ |
| hasProperMotionRA | +1.86 mas/yr ⓘ |
| hasRadialVelocity | +22 km/s ⓘ |
| hasRadius | about 26 solar radii ⓘ |
| hasRightAscension | 03h 54m 07.9s ⓘ |
| hasRotationalVelocity | about 60 km/s ⓘ |
| hasSAODesignation | SAO 56673 NERFINISHED ⓘ |
| hasSpectralType | B1 Ib ⓘ |
| hasSurfaceGravityLogG | about 2.9 ⓘ |
| hasVariableStarDesignation | NSV 1275 NERFINISHED ⓘ |
| hasVariableType | suspected variable ⓘ |
| isBrightestInAssociation | Perseus OB2 association NERFINISHED ⓘ |
| isLocatedIn |
Milky Way
NERFINISHED
ⓘ
Orion Arm NERFINISHED ⓘ |
| isUsedAs | probe of interstellar medium ⓘ |
| memberOf | Perseus OB2 association NERFINISHED ⓘ |
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 24398 Description of subject: HD 24398, also known as ζ Persei, is a bright blue supergiant 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.