|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:angularSize
|
~41.3 mas
|
|
gptkbp:apparentMagnitude
|
+1.09
|
|
gptkbp:catalogue
|
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue
gptkb:Bright_Star_Catalogue
|
|
gptkbp:color
|
red
|
|
gptkbp:constellation
|
gptkb:Scorpius
|
|
gptkbp:declination
|
−26° 25′ 55″
|
|
gptkbp:diameter
|
~680 solar radii
|
|
gptkbp:discoveredBy
|
ancient astronomers
|
|
gptkbp:distanceFromEarth
|
~550 light-years
|
|
gptkbp:evolutionaryStage
|
supergiant
|
|
gptkbp:expansion
|
will explode as a supernova
|
|
gptkbp:hasCompanion
|
gptkb:Antares_B
|
|
gptkbp:hasStellarWind
|
yes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Antares A
|
|
gptkbp:locatedIn
|
gptkb:Scorpius
|
|
gptkbp:luminosity
|
~75,900 times solar luminosity
|
|
gptkbp:mass
|
~12 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] ≈ −0.15
|
|
gptkbp:notableFor
|
brightest star in Scorpius
one of the largest visible stars
|
|
gptkbp:otherName
|
gptkb:HD_148478
gptkb:HIP_80763
gptkb:HR_6134
gptkb:Alpha_Scorpii_A
|
|
gptkbp:parallax
|
5.89 mas
1.00 mas
|
|
gptkbp:partOf
|
gptkb:Antares
|
|
gptkbp:properMotionRA
|
−10.16 mas/yr
−23.21 mas/yr
|
|
gptkbp:radialVelocity
|
−3.4 km/s
|
|
gptkbp:rightAscension
|
16h 29m 24.4s
|
|
gptkbp:spectralType
|
red supergiant
M1.5Iab-Ib
|
|
gptkbp:temperature
|
~3,500 K
|
|
gptkbp:variableStar
|
LC (slow irregular variable)
|
|
gptkbp:visibleToNakedEye
|
yes
|
|
gptkbp:bfsParent
|
gptkb:Antares_B
|
|
gptkbp:bfsLayer
|
6
|