|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:apparentMagnitude
|
4.0
|
|
gptkbp:catalogueNumber
|
gptkb:HD_116656
gptkb:SAO_28737
gptkb:BD+55_1600
gptkb:HIP_65477
gptkb:HR_5055
|
|
gptkbp:component
|
gptkb:Mizar_binary_system
|
|
gptkbp:declination
|
+54° 55′ 31″
|
|
gptkbp:diameter
|
about 2.4 solar radii
|
|
gptkbp:discoveredBy
|
gptkb:Giovanni_Battista_Riccioli
|
|
gptkbp:discoveredIn
|
1650
|
|
gptkbp:distanceFromEarth
|
about 83 light-years
|
|
gptkbp:hasCompanion
|
gptkb:Mizar_A
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Mizar B
|
|
gptkbp:locatedIn
|
constellation Ursa Major
|
|
gptkbp:luminosity
|
about 33 times solar luminosity
|
|
gptkbp:mass
|
about 2.3 solar masses
|
|
gptkbp:metallicity
|
about solar
|
|
gptkbp:orbitType
|
175.6 days
|
|
gptkbp:parallax
|
39.36 mas
|
|
gptkbp:partOf
|
gptkb:Mizar_system
|
|
gptkbp:properMotionRA
|
121.23 mas/yr
-22.02 mas/yr
|
|
gptkbp:rightAscension
|
13h 23m 55.5s
|
|
gptkbp:rotationPeriod
|
about 190 km/s
|
|
gptkbp:spectralType
|
A2V
|
|
gptkbp:temperature
|
about 9000 K
|
|
gptkbp:variableStar
|
no
|
|
gptkbp:visibleToNakedEye
|
yes
|
|
gptkbp:bfsParent
|
gptkb:Mizar
|
|
gptkbp:bfsLayer
|
7
|