|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:alsoKnownAs
|
gptkb:Polaris
|
|
gptkbp:apparentMagnitude
|
1.98
|
|
gptkbp:catalogueNumber
|
gptkb:2MASS_J02314909+8915053
gptkb:GCRV_1036
gptkb:Gaia_DR3_573769690703385216
gptkb:HR_424
gptkb:CCDM_J02318+8915A
gptkb:Alpha_Ursae_Minoris
gptkb:BD+88_8
gptkb:FK5_907
gptkb:HD_8890
gptkb:HIP_11767
gptkb:SAO_308
gptkb:WDS_J02318+8915
gptkb:AAVSO_0227+88
gptkb:ADS_1477
gptkb:AG+89_4
gptkb:GC_2273
gptkb:GSC_04628-00237
gptkb:IRAS_02268+8902
gptkb:PLX_573
gptkb:TYC_4628-237-1
PPM 11024
Simbad: Polaris
|
|
gptkbp:celestialRole
|
current northern pole star
|
|
gptkbp:component
|
gptkb:Polaris_Aa
Polaris Ab
|
|
gptkbp:declination
|
+89° 15′ 50.8″
|
|
gptkbp:diameter
|
about 37.5 solar radii
|
|
gptkbp:distanceFromEarth
|
about 433 light years
|
|
gptkbp:epoch
|
gptkb:J2000
|
|
gptkbp:firstCataloguedBy
|
gptkb:Ptolemy
|
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
the North Star
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gptkbp:locatedIn
|
constellation Ursa Minor
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gptkbp:luminosity
|
about 2,500 times Sun
|
|
gptkbp:mass
|
about 5.4 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] = -0.03
|
|
gptkbp:notVisibleFrom
|
gptkb:Southern_Hemisphere
|
|
gptkbp:partOf
|
gptkb:Polaris_triple_star_system
|
|
gptkbp:properMotionRA
|
44 mas/yr
|
|
gptkbp:rightAscension
|
02h 31m 49.09s
|
|
gptkbp:spectralType
|
F7
|
|
gptkbp:temperature
|
about 6,015 K
|
|
gptkbp:tertiaryComponent
|
gptkb:Polaris_B
|
|
gptkbp:usedFor
|
gptkb:navigation
|
|
gptkbp:variableType
|
variable star
|
|
gptkbp:bfsParent
|
gptkb:Nunavut_flag
|
|
gptkbp:bfsLayer
|
6
|