Zeta Ursae Majoris

URI: https://gptkb.org/entity/Zeta_Ursae_Majoris
GPTKB entity
Statements (34)
Predicate Object
gptkbp:instanceOf gptkb:star
binary star system
gptkbp:apparentMagnitude 2.23
gptkbp:BayerDesignation gptkb:ζ_Ursae_Majoris
gptkbp:containsPlanet true
gptkbp:declination +54° 55′ 31″
gptkbp:discoveredBy gptkb:Giovanni_Battista_Riccioli
gptkbp:discoveredIn 1650
gptkbp:distanceFromEarth 82.9 light years
gptkbp:FlamsteedDesignation gptkb:79_Ursae_Majoris
gptkbp:hasColorIndexB-V 0.04
gptkbp:hasColorIndexU-B 0.04
gptkbp:hasCompanion gptkb:Alcor
gptkb:Mizar_B
gptkb:Mizar_C
gptkb:Mizar_D
https://www.w3.org/2000/01/rdf-schema#label Zeta Ursae Majoris
gptkbp:isNavigationStar true
gptkbp:isSpectroscopicBinary true
gptkbp:isVisualBinary true
gptkbp:locatedIn gptkb:Ursa_Major
gptkbp:luminosity 33 times solar
gptkbp:mass 2.2 solar masses
gptkbp:otherName gptkb:Mizar
gptkbp:parallax 39.36 mas
gptkbp:partOf gptkb:Big_Dipper
gptkbp:properMotionRA 120.21 mas/yr
gptkbp:radialVelocity -7.6 km/s
gptkbp:rightAscension 13h 23m 55.5s
gptkbp:spectralType A2V
gptkbp:visibleToNakedEye true
gptkbp:bfsParent gptkb:Ursae_Majoris
gptkb:Mizar
gptkbp:bfsLayer 7