Nekkar

URI: https://gptkb.org/entity/Nekkar
GPTKB entity
Statements (37)
Predicate Object
gptkbp:instanceOf gptkb:star
gptkbp:apparentMagnitude 3.49
−0.36
gptkbp:BayerDesignation gptkb:β_Boötis
gptkbp:catalogue gptkb:ADS_9447
gptkb:BD+41_2473
gptkb:FK5_561
gptkb:GC_20213
gptkb:SAO_45451
gptkb:WDS_J15020+4023
gptkb:HD_133208
gptkb:HIP_73555
gptkb:HR_5506
gptkbp:colorIndexB-V +0.98
+0.80
gptkbp:constellation gptkb:Boötes
gptkbp:declination +40° 23′ 26″
gptkbp:diameter 17 solar radii
gptkbp:discoveredBy known since antiquity
gptkbp:distanceFromEarth 219 light years
gptkbp:evolutionaryStage gptkb:giant
gptkbp:FlamsteedDesignation gptkb:23_Boötis
https://www.w3.org/2000/01/rdf-schema#label Nekkar
gptkbp:luminosity 150 times Sun
gptkbp:mass 2.7 solar masses
gptkbp:metallicity −0.07
gptkbp:otherName gptkb:Beta_Boötis
gptkbp:parallax 14.89 mas
gptkbp:properMotionRA +49.44 mas/yr
−46.93 mas/yr
gptkbp:radialVelocity −10.90 km/s
gptkbp:rightAscension 15h 01m 56.8s
gptkbp:spectralType G8IIIa
gptkbp:temperature 4,900 K
gptkbp:variableStar no
gptkbp:bfsParent gptkb:Bootes
gptkbp:bfsLayer 6