|
gptkbp:instanceOf
|
gptkb:star
binary star system
|
|
gptkbp:age
|
300 million years
|
|
gptkbp:apparentMagnitude
|
1.76
|
|
gptkbp:BayerDesignation
|
gptkb:Epsilon_Ursae_Majoris
|
|
gptkbp:catalogue
|
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue
gptkb:Bright_Star_Catalogue
|
|
gptkbp:constellation
|
gptkb:Ursa_Major
|
|
gptkbp:declination
|
+55° 57′ 35.37″
|
|
gptkbp:diameter
|
4.14 solar radii
|
|
gptkbp:distanceFromEarth
|
81 light years
|
|
gptkbp:FlamsteedDesignation
|
gptkb:80_Ursae_Majoris
|
|
gptkbp:hasCompanion
|
ε Ursae Majoris B
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
ε Ursae Majoris
|
|
gptkbp:luminosity
|
102 solar luminosities
|
|
gptkbp:mass
|
2.91 solar masses
|
|
gptkbp:metallicity
|
+0.04
|
|
gptkbp:otherName
|
gptkb:HD_112185
gptkb:HIP_62956
gptkb:HR_4905
gptkb:Alioth
|
|
gptkbp:parallax
|
40.90 mas
|
|
gptkbp:partOf
|
gptkb:Big_Dipper_asterism
|
|
gptkbp:properMotionRA
|
-8.99 mas/yr
111.79 mas/yr
|
|
gptkbp:rightAscension
|
12h 54m 01.749s
|
|
gptkbp:rotationPeriod
|
33 km/s
|
|
gptkbp:spectralType
|
A0p Cr
|
|
gptkbp:temperature
|
9,020 K
|
|
gptkbp:variableType
|
Alpha^2 Canum Venaticorum variable
|
|
gptkbp:bfsParent
|
gptkb:Epsilon_Ursae_Majoris
|
|
gptkbp:bfsLayer
|
8
|