HD 23850
E463791
HD 23850 is a massive, young, hot star located in the Perseus constellation and belonging to the Perseus OB2 stellar association.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HD 23850 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4617639 — 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 23850 Context triple: [Perseus OB2 association, hasMember, HD 23850]
-
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 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.
-
C.
HD 23630
HD 23630 is a hot, massive early-type star located in the Perseus constellation and belonging to the young Perseus OB2 stellar association.
-
D.
HD 26165
HD 26165 is a star located in the Perseus constellation and identified as a member of the young stellar grouping known as the Perseus OB2 association.
-
E.
HD 24534
HD 24534 is a hot, massive early-type star located in the Perseus constellation and associated with the young 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 23850 Target entity description: HD 23850 is a massive, young, hot star located in the Perseus constellation and belonging to 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 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.
-
C.
HD 23630
HD 23630 is a hot, massive early-type star located in the Perseus constellation and belonging to the young Perseus OB2 stellar association.
-
D.
HD 26165
HD 26165 is a star located in the Perseus constellation and identified as a member of the young stellar grouping known as the Perseus OB2 association.
-
E.
HD 24534
HD 24534 is a hot, massive early-type star located in the Perseus constellation and associated with the young Perseus OB2 stellar association.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
B-type star
ⓘ
main-sequence star ⓘ massive star ⓘ star ⓘ |
| age | tens of millions of years ⓘ |
| apparentMagnitudeV | about 4.0 ⓘ |
| associatedWith | Perseus OB2 association NERFINISHED ⓘ |
| belongsTo | Orion Arm NERFINISHED ⓘ |
| catalog |
Bright Star Catalogue
NERFINISHED
ⓘ
Henry Draper Catalogue NERFINISHED ⓘ Hipparcos Catalogue NERFINISHED ⓘ |
| catalogIdentifier |
HD 23850
NERFINISHED
ⓘ
HIP 17954 NERFINISHED ⓘ HR 1174 ⓘ |
| colorIndexBminusV | about −0.20 ⓘ |
| constellation | Perseus NERFINISHED ⓘ |
| declination | about +31° ⓘ |
| distanceFromEarth |
about 1,000 light-years
ⓘ
about 300 parsecs ⓘ |
| effectiveTemperature | about 25,000 K ⓘ |
| emits | strong ultraviolet radiation ⓘ |
| energySource | nuclear fusion of hydrogen in core ⓘ |
| evolutionaryStage |
core hydrogen-burning
ⓘ
young ⓘ |
| galacticLatitude | about −17° ⓘ |
| galacticLongitude | about 160° ⓘ |
| galacticPopulation | Population I ⓘ |
| locatedIn |
Milky Way
ⓘ
Perseus OB2 association NERFINISHED ⓘ |
| luminosity | thousands of times solar luminosity ⓘ |
| luminosityClass | V ⓘ |
| mass | several times solar mass ⓘ |
| memberOf | Perseus OB2 association NERFINISHED ⓘ |
| metallicity | near solar ⓘ |
| observedIn |
optical wavelengths
ⓘ
ultraviolet wavelengths ⓘ |
| parallax | about 3.0 mas ⓘ |
| radialVelocity | a few km/s ⓘ |
| rightAscension | about 03h 50m ⓘ |
| rotation | rapid ⓘ |
| spectralType | B1 V ⓘ |
| surfaceGravity | high ⓘ |
| temperatureClass | B ⓘ |
| variableStar | false ⓘ |
| 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: HD 23850 Description of subject: HD 23850 is a massive, young, hot star located in the Perseus constellation and belonging to the Perseus OB2 stellar association.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.