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.