|
gptkbp:instanceOf
|
gptkb:star
astronomer
|
|
gptkbp:age
|
500 million years
|
|
gptkbp:apparentMagnitude
|
2.37
|
|
gptkbp:BayerDesignation
|
gptkb:Beta_Ursae_Majoris
|
|
gptkbp:catalogueNumber
|
gptkb:HD_95418
gptkb:HIP_53910
gptkb:HR_4295
gptkb:SAO_27876
gptkb:BD+57_1423
|
|
gptkbp:constellation
|
gptkb:Ursa_Major
|
|
gptkbp:declination
|
+56° 22′ 57″
|
|
gptkbp:diameter
|
2.84 solar radii
|
|
gptkbp:distanceFromEarth
|
79.7 light years
|
|
gptkbp:hasExoplanet
|
no
|
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
β Ursae Majoris
|
|
gptkbp:IAUApprovedName
|
gptkb:Merak
|
|
gptkbp:luminosity
|
68 times solar luminosity
|
|
gptkbp:mass
|
2.7 solar masses
|
|
gptkbp:metallicity
|
−0.04 [Fe/H]
|
|
gptkbp:otherName
|
gptkb:Merak
|
|
gptkbp:parallax
|
40.90 mas
|
|
gptkbp:partOf
|
gptkb:Big_Dipper_asterism
|
|
gptkbp:properMotionRA
|
-121.17 mas/yr
-60.34 mas/yr
|
|
gptkbp:radialVelocity
|
+2.8 km/s
|
|
gptkbp:rightAscension
|
11h 01m 50.5s
|
|
gptkbp:rotationPeriod
|
46 km/s
|
|
gptkbp:spectralType
|
A1IVps
|
|
gptkbp:temperature
|
9,225 K
|
|
gptkbp:bfsParent
|
gptkb:Beta_Ursae_Majoris
gptkb:HD_95418
|
|
gptkbp:bfsLayer
|
8
|