Statements (22)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:star
|
gptkbp:alsoKnownAs |
gptkb:Polaris_system
|
gptkbp:apparentMagnitude |
1.98
|
gptkbp:component |
gptkb:Polaris_Aa
|
gptkbp:contains |
gptkb:Polaris_B
gptkb:Polaris_Aa Polaris Ab |
gptkbp:declination |
+89° 15′ 50.8″
|
gptkbp:discoveredBy |
gptkb:William_Herschel_(Polaris_B,_1780)
|
gptkbp:distanceFromEarth |
about 433 light-years
|
gptkbp:epoch |
gptkb:J2000.0
|
https://www.w3.org/2000/01/rdf-schema#label |
North Star system
|
gptkbp:locatedIn |
constellation Ursa Minor
|
gptkbp:notableFor |
being the current North Star
|
gptkbp:rightAscension |
02h 31m 49.09s
|
gptkbp:spectralType |
F7:Ib
|
gptkbp:type |
binary star system
|
gptkbp:usedFor |
gptkb:navigation
|
gptkbp:variableStar |
gptkb:Polaris_Aa
|
gptkbp:variableType |
variable star
|
gptkbp:bfsParent |
gptkb:Alpha_Ursae_Minoris_system
|
gptkbp:bfsLayer |
7
|