Nusakan

URI: https://gptkb.org/entity/Nusakan
GPTKB entity
Statements (42)
Predicate Object
gptkbp:instanceOf gptkb:star
gptkbp:apparentMagnitude 3.66
gptkbp:catalogueNumber gptkb:FK5_1342
gptkb:HR_5747
gptkb:BD+28_2562
gptkb:HD_137909
ADS 9494
GC 20913
HIP 75695
SAO 83993
WDS J15278+2836
gptkbp:component Nusakan A
Nusakan B
gptkbp:constellation gptkb:Corona_Borealis
gptkbp:declination +28° 36′ 27″
gptkbp:diameter 2.5 solar radii
gptkbp:discoveredBy gptkb:William_Herschel
gptkbp:discoveredIn 1781
gptkbp:distanceFromEarth 114 light years
gptkbp:hasCompanion Nusakan B
gptkbp:IAUApprovedName gptkb:Nusakan
gptkbp:luminosity 25 times Sun
gptkbp:mass 2.1 solar masses
gptkbp:metallicity +0.10
gptkbp:orbitType 10.5 years
gptkbp:otherName gptkb:Beta_Coronae_Borealis
gptkbp:parallax 28.57 mas
gptkbp:properMotionRA -66.63 mas/yr
-98.16 mas/yr
gptkbp:rightAscension 15h 27m 49.8s
gptkbp:rotationPeriod 108 km/s
gptkbp:spectralType A9IV
F2V
gptkbp:stellarSystem gptkb:binary_star_system
gptkbp:temperature 7,000 K
gptkbp:variableStar gptkb:Alpha2_Canum_Venaticorum_variable
gptkbp:visibleToNakedEye true
gptkbp:bfsParent gptkb:Beta_Coronae_Borealis
gptkb:Coronae_Borealis
gptkb:Corona_Borealis_constellation
gptkbp:bfsLayer 8
https://www.w3.org/2000/01/rdf-schema#label Nusakan