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gptkbp:instanceOf
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gptkb:star
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gptkbp:age
|
~242 million years
|
|
gptkbp:alsoKnownAs
|
gptkb:Sirius
gptkb:HD_48915
|
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gptkbp:apparentMagnitude
|
-1.46
|
|
gptkbp:binarySystem
|
true
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gptkbp:catalogue
|
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue
gptkb:Bright_Star_Catalogue
gptkb:SAO_Catalogue
|
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gptkbp:component
|
gptkb:Sirius_B
gptkb:Sirius_A
|
|
gptkbp:constellation
|
gptkb:Canis_Major
|
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gptkbp:declination
|
-16° 42′ 58.017″
|
|
gptkbp:diameter
|
1.711 solar radii
|
|
gptkbp:distanceFromEarth
|
8.6 light years
|
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gptkbp:firstWhiteDwarfDiscovered
|
gptkb:Sirius_B
|
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gptkbp:hasCompanion
|
gptkb:Sirius_B
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
SAO 43074
|
|
gptkbp:luminosity
|
25.4 times solar
|
|
gptkbp:mass
|
2.02 solar masses
|
|
gptkbp:notableFor
|
brightest star in the night sky
|
|
gptkbp:observedBy
|
gptkb:Friedrich_Bessel
|
|
gptkbp:parallax
|
379.21 mas
|
|
gptkbp:properMotionRA
|
-1223.07 mas/yr
-546.01 mas/yr
|
|
gptkbp:radialVelocity
|
-5.5 km/s
|
|
gptkbp:rightAscension
|
06h 45m 08.9173s
|
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gptkbp:spectralType
|
A1V
|
|
gptkbp:temperature
|
9940 K
|
|
gptkbp:bfsParent
|
gptkb:47_Ursae_Majoris
|
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gptkbp:bfsLayer
|
7
|