|
gptkbp:instanceOf
|
gptkb:star
red supergiant
|
|
gptkbp:age
|
~7 million years
|
|
gptkbp:apparentMagnitude
|
2.06
-6.7
|
|
gptkbp:catalogueNumber
|
gptkb:GC_7292
gptkb:SAO_132410
gptkb:WDS_J05479-0940
gptkb:ADS_4072
gptkb:BD-09_1235
gptkb:FK5_180
gptkb:HD_38771
gptkb:HIP_27366
gptkb:HR_2004
|
|
gptkbp:colorIndexB-V
|
-0.21
|
|
gptkbp:constellation
|
gptkb:Orion
|
|
gptkbp:declination
|
-09° 40′ 10″
|
|
gptkbp:diameter
|
~22 times solar radius
|
|
gptkbp:discoveredBy
|
ancient astronomers
|
|
gptkbp:distanceFromEarth
|
~650 light years
|
|
gptkbp:evolutionaryStage
|
blue supergiant
|
|
gptkbp:hasCompanion
|
no known companion
|
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
gptkb:Southern_Hemisphere
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Kappa Orionis
|
|
gptkbp:IAUApprovedName
|
gptkb:Saiph
|
|
gptkbp:locationInOrion
|
lower right corner (left knee of Orion)
|
|
gptkbp:luminosity
|
~56,000 times solar luminosity
|
|
gptkbp:mass
|
~15 solar masses
|
|
gptkbp:metallicity
|
~solar
|
|
gptkbp:nameOrigin
|
Arabic, meaning 'sword'
|
|
gptkbp:notableFor
|
one of the four bright stars marking Orion's outline
|
|
gptkbp:otherName
|
gptkb:Saiph
|
|
gptkbp:parallax
|
0.20 mas
5.04 mas
|
|
gptkbp:partOf
|
gptkb:Orion_constellation
|
|
gptkbp:properMotionRA
|
0.78 mas/yr
1.54 mas/yr
|
|
gptkbp:radialVelocity
|
+21.2 km/s
|
|
gptkbp:rightAscension
|
05h 47m 45.4s
|
|
gptkbp:rotationPeriod
|
25 km/s
|
|
gptkbp:spectralType
|
B0.5 Ia
|
|
gptkbp:temperature
|
~26,500 K
|
|
gptkbp:variableStar
|
no
|
|
gptkbp:bfsParent
|
gptkb:Saiph
|
|
gptkbp:bfsLayer
|
6
|