|
gptkbp:instanceOf
|
gptkb:star
red supergiant
|
|
gptkbp:age
|
7.1 billion years
|
|
gptkbp:alsoKnownAs
|
gptkb:Arcturus
|
|
gptkbp:apparentMagnitude
|
-0.05
-0.30
|
|
gptkbp:BayerDesignation
|
gptkb:Alpha_Boötis
|
|
gptkbp:brightestStar
|
gptkb:Boötes
|
|
gptkbp:catalogueNumber
|
gptkb:BD+19_2777
gptkb:FK5_526
gptkb:HD_124897
gptkb:HIP_69673
gptkb:HR_5340
gptkb:SAO_100944
ADS 8815 A
GC 19248
|
|
gptkbp:constellation
|
gptkb:Boötes
|
|
gptkbp:culturalSignificance
|
featured in many mythologies
|
|
gptkbp:declination
|
+19° 10′ 56″
|
|
gptkbp:diameter
|
25.4 solar radii
|
|
gptkbp:discoveredBy
|
ancient astronomers
|
|
gptkbp:distanceFromEarth
|
36.7 light years
|
|
gptkbp:FlamsteedDesignation
|
16 Boötis
|
|
gptkbp:galacticLatitude
|
15.0°
69.1°
|
|
gptkbp:hasCompanion
|
no known companion
|
|
gptkbp:hasInfraredExcess
|
no
|
|
gptkbp:hasTraditionalName
|
gptkb:Arcturus
|
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
|
|
gptkbp:hasXRayEmission
|
no significant emission
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Alpha Boötis
|
|
gptkbp:isFourthBrightestStarInNightSky
|
true
|
|
gptkbp:isNavigationalStar
|
true
|
|
gptkbp:isSolitaryStar
|
true
|
|
gptkbp:luminosity
|
170 solar luminosities
|
|
gptkbp:mass
|
1.08 solar masses
|
|
gptkbp:metallicity
|
-0.52
|
|
gptkbp:parallax
|
88.83 mas
|
|
gptkbp:partOf
|
gptkb:Boötes_constellation
|
|
gptkbp:properMotionRA
|
2.29 arcsec/year
|
|
gptkbp:radialVelocity
|
-5.19 km/s
|
|
gptkbp:rightAscension
|
14h 15m 39.7s
|
|
gptkbp:spectralType
|
K1.5III
|
|
gptkbp:temperature
|
4286 K
|
|
gptkbp:variableStar
|
true
|
|
gptkbp:variant
|
irregular
|
|
gptkbp:bfsParent
|
gptkb:Arcturus
|
|
gptkbp:bfsLayer
|
7
|