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gptkbp:instanceOf
|
gptkb:star
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gptkbp:age
|
about 300 million years
|
|
gptkbp:alsoKnownAs
|
gptkb:Eta_Ursae_Majoris
|
|
gptkbp:apparentMagnitude
|
1.86
|
|
gptkbp:catalogueNumber
|
gptkb:GC_18713
gptkb:HD_120315
gptkb:HR_5185
gptkb:WDS_J13476+4919
gptkb:BD+50_2137
ADS 8867
FK5 507
HIP 67275
SAO 45199
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|
gptkbp:constellation
|
gptkb:Ursa_Major
|
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gptkbp:declination
|
+49° 18′ 48″
|
|
gptkbp:diameter
|
about 3.4 solar radii
|
|
gptkbp:distanceFromEarth
|
approximately 81 light-years
|
|
gptkbp:hasCompanion
|
no known stellar companion
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Benetnasch
|
|
gptkbp:isEndOf
|
gptkb:Big_Dipper_handle
|
|
gptkbp:luminosity
|
about 374 times solar luminosity
|
|
gptkbp:mass
|
about 3.4 solar masses
|
|
gptkbp:metallicity
|
-0.08 [Fe/H]
|
|
gptkbp:parallax
|
40.90 mas
|
|
gptkbp:partOf
|
gptkb:Big_Dipper_asterism
|
|
gptkbp:properMotionRA
|
-121.17 mas/yr
+55.61 mas/yr
|
|
gptkbp:rightAscension
|
13h 47m 32.4s
|
|
gptkbp:rotationPeriod
|
150 km/s
|
|
gptkbp:spectralType
|
B3V
|
|
gptkbp:temperature
|
about 15,540 K
|
|
gptkbp:visibleToNakedEye
|
yes
|
|
gptkbp:bfsParent
|
gptkb:η_Ursae_Majoris
gptkb:Eta_Ursae_Majoris
|
|
gptkbp:bfsLayer
|
8
|