|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:age
|
about 70 million years
|
|
gptkbp:apparentMagnitude
|
1.98
|
|
gptkbp:catalogueNumber
|
gptkb:Alpha_Ursae_Minoris
|
|
gptkbp:component
|
gptkb:Polaris_B
gptkb:Polaris_Aa
Polaris Ab
|
|
gptkbp:containsPlanet
|
yes
|
|
gptkbp:declination
|
close to +89°
|
|
gptkbp:distanceFromEarth
|
about 433 light years
|
|
gptkbp:hasCompanion
|
gptkb:Polaris_B
Polaris Ab
|
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
|
|
gptkbp:historicalSignificance
|
navigation and orientation
|
|
gptkbp:isCepheidVariable
|
yes
|
|
gptkbp:isClosestTo
|
celestial north pole
|
|
gptkbp:isNotVisibleFrom
|
gptkb:Southern_Hemisphere
|
|
gptkbp:locatedIn
|
constellation Ursa Minor
|
|
gptkbp:luminosity
|
about 2,500 times Sun
|
|
gptkbp:mass
|
about 5.4 solar masses
|
|
gptkbp:otherName
|
gptkb:Nord
gptkb:Pole_Star
|
|
gptkbp:precessesOverTime
|
yes
|
|
gptkbp:rightAscension
|
02h 31m 49s
|
|
gptkbp:spectralType
|
F7:Ib
|
|
gptkbp:usedFor
|
gptkb:navigation
|
|
gptkbp:willNotAlwaysBePoleStar
|
yes
|
|
gptkbp:英文名
|
gptkb:Polaris
|
|
gptkbp:bfsParent
|
gptkb:Jastrzębia_Góra
|
|
gptkbp:bfsLayer
|
7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Gwiazda Północy
|