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 2

How this entity was disambiguated

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 ⓘ
Perseus OB association ⓘ
catalogIdentifier BD+39 807 ⓘ
HD 22951 ⓘ
HIP 17313 ⓘ
HR 1122 ⓘ
colorIndexBminusV −0.18 ⓘ
constellation Perseus ⓘ
declination +40° 11′ 37″ ⓘ
distance ~1200 light-years ⓘ
~370 parsecs ⓘ
dominantEnergySource hydrogen fusion in core ⓘ
effectiveTemperature ~28,000 K ⓘ
equatorialCoordinateSystem ICRS ⓘ
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 ⓘ
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

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.