|
gptkbp:instanceOf
|
gptkb:star
binary star system
|
|
gptkbp:age
|
280 million years
|
|
gptkbp:apparentMagnitude
|
1.79
|
|
gptkbp:BayerDesignation
|
gptkb:Alpha_Ursae_Majoris
|
|
gptkbp:catalogueNumber
|
gptkb:HD_95689
gptkb:HIP_54061
gptkb:HR_4301
gptkb:SAO_15384
gptkb:BD+62_1507
gptkb:FK5_399
gptkb:GC_15141
gptkb:WDS_J11037+6145
gptkb:ADS_8119
|
|
gptkbp:component
|
gptkb:Alpha_UMa_A
gptkb:Alpha_UMa_B
|
|
gptkbp:constellation
|
gptkb:Ursa_Major
|
|
gptkbp:declination
|
+61° 45′ 03.7244″
|
|
gptkbp:diameter
|
30 solar radii
|
|
gptkbp:discoveredBy
|
gptkb:William_Herschel
|
|
gptkbp:discoveredIn
|
1781
|
|
gptkbp:distanceFromEarth
|
123 light years
|
|
gptkbp:eccentricity
|
0.44
|
|
gptkbp:hasCompanion
|
gptkb:Alpha_UMa_B
|
|
gptkbp:hasTraditionalName
|
gptkb:Thuraya
gptkb:Ak
gptkb:Dubb
gptkb:Dubhe
gptkb:Mizar
Marrha
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Alpha UMa
|
|
gptkbp:IAUApprovedName
|
gptkb:Dubhe
|
|
gptkbp:isAsterismMember
|
gptkb:Big_Dipper
gptkb:Great_Bear
turtle
|
|
gptkbp:isNavigationStar
|
yes
|
|
gptkbp:luminosity
|
316 solar luminosities
|
|
gptkbp:mass
|
4.25 solar masses
|
|
gptkbp:metallicity
|
-0.04 [Fe/H]
|
|
gptkbp:orbitType
|
44.4 years
|
|
gptkbp:otherName
|
gptkb:Dubhe
|
|
gptkbp:parallax
|
26.54 mas
|
|
gptkbp:partOf
|
gptkb:Big_Dipper
|
|
gptkbp:properMotionRA
|
-11.79 mas/yr
94.18 mas/yr
|
|
gptkbp:rightAscension
|
11h 03m 43.67152s
|
|
gptkbp:spectralType
|
K0III
|
|
gptkbp:temperature
|
4,500 K
|
|
gptkbp:variableStar
|
no
|
|
gptkbp:bfsParent
|
gptkb:Dubhe
|
|
gptkbp:bfsLayer
|
7
|