HD 22951
E459036
HD 22951 is a hot, massive young star located in the Perseus constellation and belonging to the Perseus OB2 stellar association.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HD 22951 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4617638 — 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 22951 Context triple: [Perseus OB2 association, hasMember, HD 22951]
-
A.
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.
-
B.
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.
-
C.
WASP-96
WASP-96 is a Sun-like star in the constellation Phoenix known for hosting the exoplanet WASP-96b, one of the first exoplanets whose atmosphere was characterized in detail by the James Webb Space Telescope.
-
D.
Epsilon Eridani b
Epsilon Eridani b is a nearby Jupiter-like exoplanet candidate orbiting the young K-type star Epsilon Eridani, making it one of the closest known potential exoplanets to Earth.
-
E.
Aldebaran planetary system
The Aldebaran planetary system is a stellar system centered on the bright orange giant star Aldebaran, located in the constellation Taurus and known to host at least one candidate exoplanet.
- 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 22951 Target entity description: HD 22951 is a hot, massive young star located in the Perseus constellation and belonging to the Perseus OB2 stellar association.
-
A.
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.
-
B.
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.
-
C.
WASP-96
WASP-96 is a Sun-like star in the constellation Phoenix known for hosting the exoplanet WASP-96b, one of the first exoplanets whose atmosphere was characterized in detail by the James Webb Space Telescope.
-
D.
Epsilon Eridani b
Epsilon Eridani b is a nearby Jupiter-like exoplanet candidate orbiting the young K-type star Epsilon Eridani, making it one of the closest known potential exoplanets to Earth.
-
E.
Aldebaran planetary system
The Aldebaran planetary system is a stellar system centered on the bright orange giant star Aldebaran, located in the constellation Taurus and known to host at least one candidate exoplanet.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
B-type main-sequence star
ⓘ
massive star ⓘ star ⓘ |
| absoluteMagnitudeV | −2.7 ⓘ |
| age | ~7 million years ⓘ |
| apparentMagnitudeV | 5.59 ⓘ |
| belongsTo |
Milky Way
NERFINISHED
ⓘ
Perseus OB association NERFINISHED ⓘ |
| catalogIdentifier |
BD+39 807
NERFINISHED
ⓘ
HD 22951 NERFINISHED ⓘ HIP 17313 NERFINISHED ⓘ HR 1122 NERFINISHED ⓘ |
| colorIndexBminusV | −0.18 ⓘ |
| constellation | Perseus NERFINISHED ⓘ |
| declination | +40° 11′ 37″ ⓘ |
| distance |
~1200 light-years
ⓘ
~370 parsecs ⓘ |
| dominantEnergySource | hydrogen fusion in core ⓘ |
| effectiveTemperature | ~28,000 K ⓘ |
| equatorialCoordinateSystem | ICRS NERFINISHED ⓘ |
| evolutionaryStage | main sequence ⓘ |
| galacticLatitude | ~−13° ⓘ |
| galacticLongitude | ~151° ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasStellarWind | yes ⓘ |
| isHotStar | true ⓘ |
| isMassiveStar | true ⓘ |
| isYoungStar | true ⓘ |
| luminosity | ~20,000 times solar luminosity ⓘ |
| mass | ~15 solar masses ⓘ |
| memberOf | Perseus OB2 association NERFINISHED ⓘ |
| metallicity | near-solar ⓘ |
| parallax | 2.7 mas ⓘ |
| radialVelocity | ~+14 km/s ⓘ |
| radius | ~6 solar radii ⓘ |
| rightAscension | 03h 42m 22s ⓘ |
| spectralType | B0.5V ⓘ |
| variableStarStatus | not known to be 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 22951 Description of subject: HD 22951 is a hot, massive young 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.