|
gptkbp:instanceOf
|
gptkb:star
astronomer
|
|
gptkbp:age
|
about 25 million years
|
|
gptkbp:alsoKnownAs
|
gptkb:Bellatrix
|
|
gptkbp:apparentMagnitude
|
1.64
−2.78
|
|
gptkbp:BayerDesignation
|
gptkb:γ_Orionis
|
|
gptkbp:catalogueNumber
|
gptkb:ADS_4071
gptkb:BD+06_919
gptkb:FK5_187
gptkb:HD_35468
gptkb:HIP_25336
gptkb:HR_1790
gptkb:SAO_112740
GC 6722
WDS J05251+0621
|
|
gptkbp:colorIndexB-V
|
−0.22
−0.86
|
|
gptkbp:constellation
|
gptkb:Orion
|
|
gptkbp:declination
|
+06° 20′ 58.9317″
|
|
gptkbp:diameter
|
about 5.8 solar radii
|
|
gptkbp:discoveredBy
|
ancient astronomers
|
|
gptkbp:distanceFromEarth
|
about 250 light-years
|
|
gptkbp:eponymOf
|
Bellatrix Line (in spectroscopy)
|
|
gptkbp:evolutionaryStage
|
red supergiant
|
|
gptkbp:FlamsteedDesignation
|
gptkb:24_Orionis
|
|
gptkbp:hasCompanion
|
no known stellar companion
|
|
gptkbp:hasViewOf
|
gptkb:Earth
|
|
gptkbp:heliumRich
|
yes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
γ Orionis
|
|
gptkbp:luminosity
|
about 9,000 times that of the Sun
|
|
gptkbp:mass
|
about 8.6 solar masses
|
|
gptkbp:metallicity
|
−0.07
|
|
gptkbp:notableFor
|
one of the brightest stars in Orion
sometimes called the Amazon Star
|
|
gptkbp:parallax
|
0.20 mas
4.02 mas
|
|
gptkbp:properMotionRA
|
−8.11 mas/yr
−12.88 mas/yr
|
|
gptkbp:rightAscension
|
05h 25m 07.86327s
|
|
gptkbp:rotationPeriod
|
40 km/s
|
|
gptkbp:spectralType
|
B2 III
|
|
gptkbp:temperature
|
about 21,800 K
|
|
gptkbp:variableStar
|
no
|
|
gptkbp:bfsParent
|
gptkb:Gamma_Orionis
|
|
gptkbp:bfsLayer
|
7
|