|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:age
|
about 6.4 million years
|
|
gptkbp:apparentMagnitude
|
1.77
-6.0
|
|
gptkbp:BayerDesignation
|
gptkb:ζ_Orionis
|
|
gptkbp:catalogueNumber
|
gptkb:ADS_4134
gptkb:FK5_199
gptkb:GC_7102
gptkb:BD−01°_969
gptkb:HD_37742
gptkb:HIP_26727
gptkb:HR_1948
gptkb:SAO_132374
gptkb:WDS_J05407-0157
|
|
gptkbp:component
|
gptkb:Zeta_Orionis_A
gptkb:Zeta_Orionis_Aa
gptkb:Zeta_Orionis_Ab
gptkb:Zeta_Orionis_B
gptkb:Zeta_Orionis_C
|
|
gptkbp:containsPlanet
|
yes
|
|
gptkbp:declination
|
−01° 56′ 34″
|
|
gptkbp:diameter
|
about 20 solar radii (primary component)
|
|
gptkbp:discoveredBy
|
ancient astronomers
|
|
gptkbp:distanceFromEarth
|
approximately 1,260 light-years
|
|
gptkbp:eponymOf
|
gptkb:Alnitak_Nebula_(IC_434_region)
|
|
gptkbp:FlamsteedDesignation
|
gptkb:50_Orionis
|
|
gptkbp:hasCompanion
|
gptkb:Zeta_Orionis_B
gptkb:Zeta_Orionis_C
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Zeta Orionis
|
|
gptkbp:locatedIn
|
gptkb:Orion
|
|
gptkbp:luminosity
|
about 100,000 times Sun (primary component)
|
|
gptkbp:mass
|
about 33 solar masses (primary component)
|
|
gptkbp:metallicity
|
slightly sub-solar
|
|
gptkbp:otherName
|
gptkb:Alnitak
|
|
gptkbp:parallax
|
2.56 mas
|
|
gptkbp:partOf
|
gptkb:Orion's_Belt
|
|
gptkbp:properMotionRA
|
yes
2.44 mas/yr
3.09 mas/yr
|
|
gptkbp:rightAscension
|
05h 40m 45.5s
|
|
gptkbp:spectralType
|
O9.5Ib
|
|
gptkbp:variableStar
|
no
|
|
gptkbp:visibleToNakedEye
|
yes
|
|
gptkbp:bfsParent
|
gptkb:Alnitak
|
|
gptkbp:bfsLayer
|
6
|