o Persei

E459031

o Persei is a bright B-type giant star in the constellation Perseus and a notable member of the Perseus OB2 stellar association.

All labels observed (2)

Label Occurrences
o Persei canonical 3
Persei 1

How this entity was disambiguated

Statements (44)

Predicate Object
instanceOf B-type giant star ⓘ
spectroscopic binary ⓘ
star ⓘ
absoluteMagnitudeV about -4.5 ⓘ
age ~10 million years ⓘ
apparentMagnitudeV 3.83 ⓘ
BayerDesignation o Persei ⓘ
BDNumber +31 0552 ⓘ
belongsTo Milky Way ⓘ
binaryCompanionType early-type star ⓘ
binaryOrbitalEccentricity low ⓘ
binaryOrbitalPeriod ~4.4 days ⓘ
colorIndexBminusV about -0.20 ⓘ
constellation Perseus ⓘ
coreFusion helium-burning core ⓘ
declination +32° 17′ 18″ ⓘ
distanceFromEarth ~230 parsecs ⓘ
~760 light-years ⓘ
effectiveTemperature ~24,000 K ⓘ
equatorialCoordinateSystem ICRS ⓘ
evolutionaryStage post-main-sequence ⓘ
FlamsteedDesignation 38 Persei ⓘ
galacticLatitude -17° ⓘ
galacticLongitude 160° ⓘ
galacticPopulation young disk ⓘ
hasStellarWind yes ⓘ
HDNumber HD 23180 ⓘ
HIPNumber HIP 17608 ⓘ
HRNumber HR 1156 ⓘ
locatedIn Perseus OB2 association ⓘ
luminosity ~20,000 times solar ⓘ
mass ~11 solar masses ⓘ
memberOf Perseus OB2 association ⓘ
parallax 4.30 mas ⓘ
properMotionDec -25 mas/yr ⓘ
properMotionRA +22 mas/yr ⓘ
radialVelocity +7 km/s ⓘ
radius ~10 solar radii ⓘ
rightAscension 03h 41m 24s ⓘ
SIMBADIdentifier omi Per ⓘ
spectralClass B1III ⓘ
variableType ellipsoidal variable ⓘ
visibility naked-eye star ⓘ
visibleIn northern hemisphere ⓘ

How these facts were elicited

Referenced by (4)

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

Perseus constellation → genitiveForm → Persei ⓘ
linked to: o Persei
o Persei → BayerDesignation → o Persei ⓘ
HD 23180 → hasDesignation → o Persei ⓘ