|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:apparentMagnitude
|
0.96
|
|
gptkbp:catalogueNumber
|
gptkb:HD_148478
gptkb:HIP_80763
gptkb:HR_6134
gptkb:SAO_184415
|
|
gptkbp:component
|
gptkb:Antares_A
gptkb:Antares_B
|
|
gptkbp:contains
|
gptkb:Antares_A
gptkb:Antares_B
|
|
gptkbp:declination
|
−26° 25′ 55″
|
|
gptkbp:discoveredBy
|
gptkb:Johann_Tobias_Mayer_(Antares_B,_1819)
|
|
gptkbp:distanceFromEarth
|
about 550 light-years
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Antares system
|
|
gptkbp:locatedIn
|
gptkb:Scorpius_constellation
|
|
gptkbp:luminosity
|
about 75,900 times Sun
|
|
gptkbp:massOfPrimary
|
about 12 solar masses
|
|
gptkbp:massOfSecondary
|
about 7.2 solar masses
|
|
gptkbp:notableFor
|
one of the brightest stars in the night sky
red supergiant primary
|
|
gptkbp:otherName
|
gptkb:Alpha_Scorpii
|
|
gptkbp:radiusOfPrimary
|
about 680 solar radii
|
|
gptkbp:rightAscension
|
16h 29m 24s
|
|
gptkbp:separates
|
about 529 AU
|
|
gptkbp:spectralType
|
gptkb:B2.5V_(Antares_B)
gptkb:M1.5Iab-Ib_(Antares_A)
|
|
gptkbp:surfaceTemperatureOfPrimary
|
about 3,500 K
|
|
gptkbp:surfaceTemperatureOfSecondary
|
about 18,500 K
|
|
gptkbp:variableStar
|
slow irregular variable
|
|
gptkbp:visibleToNakedEye
|
yes
|
|
gptkbp:bfsParent
|
gptkb:Antares_B
|
|
gptkbp:bfsLayer
|
6
|