Bellatrix

E127428

Bellatrix is a prominent blue giant star in the constellation Orion, known as one of its brightest members.

All labels observed (1)

Label Occurrences
Bellatrix canonical 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf B-type star
blue giant star
star
age_millionYears ~25
apparentMagnitudeV 1.64
BayerDesignation Gamma Orionis
surface form: γ Orionis
belongsTo Milky Way
belongsToAsterism Orion constellation pattern
colorIndexB−V −0.22
constellation Orion
declination +06° 20′ 59″
distanceFromEarth_ly ~250
distanceFromEarth_pc ~77
effectiveTemperature_K ~21,500
equatorialCoordinateEpoch J2000.0
evolutionaryStage giant branch
futureEvolution will eventually become a supernova or massive white dwarf
galacticLatitude_deg −8.202
galacticLongitude_deg 201.214
galacticPopulation thin disk
hasCatalogEntry HD 35468
HIP 25336
HR 1790
SAO 112740
hemisphereVisibility northern hemisphere
southern hemisphere
isBrightStarInConstellation Orion
isReferenceStar true
luminosity_solar ~8,600
mass_solar ~7.7
metallicity_FeH ~0.0
otherName Gamma Orionis
parallax_mas 12.92
parallaxError_mas 0.36
properMotionDec_masPerYear −12.46
properMotionRA_masPerYear −8.75
radialVelocity_kmPerSec ~18
radius_solar ~5.8
rankByBrightnessInOrion third brightest star in Orion
rightAscension 05h 25m 07.9s
rotationalVelocity_kmPerSec ~50
spectralType B2 III
traditionalNameOrigin Latinized from Arabic "al-najīd" (the conqueror or warrior)
usedFor celestial navigation
stellar classification studies
variableStarType suspected variable
visibleToNakedEye true

How these facts were elicited

Referenced by (1)

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

Orion hasBrightStar Bellatrix