gptkbp:instanceOf
|
gptkb:star
|
gptkbp:age
|
~242 million years
|
gptkbp:alsoKnownAs
|
gptkb:Sirius
|
gptkbp:apparentMagnitude
|
-1.46
|
gptkbp:catalogueNumber
|
gptkb:BD-16_1591
gptkb:WDS_J06451-1643A
gptkb:FK5_208
gptkb:HD_48915
gptkb:HIP_32349
gptkb:HR_2491
gptkb:SAO_151881
|
gptkbp:constellation
|
gptkb:Canis_Major
|
gptkbp:declination
|
-16° 42′ 58.017″
|
gptkbp:diameter
|
1.711 solar radii
|
gptkbp:discoveredBy
|
known since antiquity
|
gptkbp:distanceFromEarth
|
8.6 light years
|
gptkbp:hasCompanion
|
gptkb:Gliese_245
|
gptkbp:hasExoplanet
|
no known exoplanets
|
https://www.w3.org/2000/01/rdf-schema#label
|
Gliese 244
|
gptkbp:luminosity
|
25.4 times solar luminosity
|
gptkbp:mass
|
2.02 solar masses
|
gptkbp:metallicity
|
[Fe/H] = +0.5
|
gptkbp:notableFor
|
brightest star in the night sky
|
gptkbp:parallax
|
379.21 mas
|
gptkbp:partOf
|
gptkb:Sirius_star_system
|
gptkbp:properMotionRA
|
-1223.07 mas/yr
-546.01 mas/yr
|
gptkbp:radialVelocity
|
-5.5 km/s
|
gptkbp:rightAscension
|
06h 45m 08.9173s
|
gptkbp:spectralType
|
A1V
|
gptkbp:system
|
gptkb:Sirius_binary_system
|
gptkbp:temperature
|
9940 K
|
gptkbp:bfsParent
|
gptkb:Sirio
gptkb:Dog_Star
|
gptkbp:bfsLayer
|
7
|