|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:apparentMagnitude
|
1.79
-0.99
|
|
gptkbp:arabicName
|
دبه (Dubh)
|
|
gptkbp:BayerDesignation
|
gptkb:Alpha_UMa
|
|
gptkbp:binarySystem
|
yes
|
|
gptkbp:catalogueNumber
|
gptkb:ADS_8035
gptkb:BD+62_1207
gptkb:FK5_419
gptkb:GC_15117
gptkb:HD_95689
gptkb:HIP_54061
gptkb:HR_4301
gptkb:SAO_15384
gptkb:WDS_J11038+6145
|
|
gptkbp:colorIndexB-V
|
+1.07
|
|
gptkbp:constellation
|
gptkb:Ursa_Major
|
|
gptkbp:declination
|
+61° 45′ 03.7246″
|
|
gptkbp:diameter
|
30 solar radii
|
|
gptkbp:discoveredBy
|
ancient astronomers
|
|
gptkbp:distanceFromEarth
|
123 light years
|
|
gptkbp:eclipticLatitude
|
+61.75°
163.5°
|
|
gptkbp:FlamsteedDesignation
|
gptkb:50_Ursae_Majoris
|
|
gptkbp:hasChineseName
|
天樞 (Tiān Shū)
|
|
gptkbp:hasCompanion
|
stellar classification
|
|
gptkbp:hasExoplanet
|
no
|
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Dubhe
|
|
gptkbp:luminosity
|
316 times Sun
|
|
gptkbp:mass
|
4.25 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] = -0.34
|
|
gptkbp:nameMeaning
|
bear (from Arabic)
|
|
gptkbp:notableFor
|
pointer star to Polaris
|
|
gptkbp:otherName
|
gptkb:Alpha_Ursae_Majoris
|
|
gptkbp:parallax
|
26.54 mas
|
|
gptkbp:partOf
|
gptkb:Big_Dipper_asterism
|
|
gptkbp:properMotionRA
|
-135.17 mas/yr
-32.41 mas/yr
|
|
gptkbp:rightAscension
|
11h 03m 43.67152s
|
|
gptkbp:rotationPeriod
|
2.2 km/s
|
|
gptkbp:spectralType
|
K0III
|
|
gptkbp:temperature
|
4,500 K
|
|
gptkbp:variableStar
|
no
|
|
gptkbp:bfsParent
|
gptkb:The_Great_Bear
gptkb:The_Plough
gptkb:Big_Dipper
gptkb:Ursa_Major
gptkb:Big_Dipper_constellation
|
|
gptkbp:bfsLayer
|
6
|