|
gptkbp:instanceOf
|
gptkb:star
red supergiant
|
|
gptkbp:apparentMagnitude
|
2.24
|
|
gptkbp:BayerDesignation
|
gptkb:Gamma_Draconis
|
|
gptkbp:catalogueNumber
|
gptkb:BD+51_2262
gptkb:HD_164058
gptkb:HIP_87833
gptkb:HR_6705
gptkb:SAO_30455
|
|
gptkbp:colorIndexB-V
|
+1.80
+1.52
|
|
gptkbp:constellation
|
gptkb:Draco
|
|
gptkbp:declination
|
+51° 29′ 20″
|
|
gptkbp:diameter
|
50 solar radii
|
|
gptkbp:discoveredBy
|
known since antiquity
|
|
gptkbp:distanceFromEarth
|
154 light years
|
|
gptkbp:FlamsteedDesignation
|
33 Draconis
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
γ Draconis
|
|
gptkbp:luminosity
|
471 solar luminosities
|
|
gptkbp:mass
|
1.7 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] = -0.14
|
|
gptkbp:notableFor
|
brightest star in Draco
sometimes called the Zenith Star in London
|
|
gptkbp:otherName
|
gptkb:Eltanin
Etamin
|
|
gptkbp:parallax
|
21.14 mas
|
|
gptkbp:properMotionRA
|
-11.10 mas/yr
-24.98 mas/yr
|
|
gptkbp:radialVelocity
|
-28.9 km/s
|
|
gptkbp:rightAscension
|
17h 56m 36.4s
|
|
gptkbp:spectralType
|
K5III
|
|
gptkbp:temperature
|
3,930 K
|
|
gptkbp:variableStar
|
no
|
|
gptkbp:bfsParent
|
gptkb:Eltanin
|
|
gptkbp:bfsLayer
|
6
|