|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:age
|
~242 million years
|
|
gptkbp:apparentMagnitude
|
1.42
-1.46
|
|
gptkbp:brightestStar
|
night sky
|
|
gptkbp:catalogueNumber
|
gptkb:BD−16°1591
gptkb:FK5_208
gptkb:GC_8896
gptkb:GJ_244
gptkb:HD_48915
gptkb:HIP_32349
gptkb:HR_2491
gptkb:SAO_151881
gptkb:WDS_J06451-1643
|
|
gptkbp:color
|
white
|
|
gptkbp:constellation
|
gptkb:Canis_Major
|
|
gptkbp:culturalSignificance
|
gptkb:Dog_Star
|
|
gptkbp:declination
|
-16° 42′ 58.02″
|
|
gptkbp:diameter
|
1.711 solar radii
|
|
gptkbp:discoveredBy
|
known since antiquity
|
|
gptkbp:distanceFromEarth
|
8.6 light years
|
|
gptkbp:galacticLatitude
|
-8.89°
227.23°
|
|
gptkbp:hasCompanion
|
gptkb:Sirius_B
|
|
gptkbp:hasViewOf
|
most of Earth
|
|
gptkbp:heliacalRising
|
gptkb:ancient_Egypt
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Sirius
|
|
gptkbp:luminosity
|
25.4 times Sun
|
|
gptkbp:mass
|
2.02 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] = +0.5
|
|
gptkbp:namedAfter
|
Greek word for 'glowing' or 'scorching'
|
|
gptkbp:nearestHigherNeighbor
|
gptkb:Procyon
|
|
gptkbp:notableFor
|
binary system with white dwarf companion
brightest star in Earth's night sky
important in ancient cultures
|
|
gptkbp:otherName
|
gptkb:Alpha_Canis_Majoris
|
|
gptkbp:parallax
|
379.21 mas
|
|
gptkbp:partOf
|
gptkb:Milky_Way
|
|
gptkbp:platform
|
binary star system
|
|
gptkbp:properMotionRA
|
-1223.07 mas/yr
-546.01 mas/yr
|
|
gptkbp:radialVelocity
|
-5.5 km/s
|
|
gptkbp:rightAscension
|
06h 45m 08.917s
|
|
gptkbp:risesIn
|
winter (Northern Hemisphere)
|
|
gptkbp:Sirius_B
|
white dwarf
|
|
gptkbp:Sirius_B_mass
|
1.018 solar masses
|
|
gptkbp:Sirius_B_radius
|
0.0084 solar radii
|
|
gptkbp:Sirius_B_spectralType
|
DA2
|
|
gptkbp:spectralType
|
A1V
|
|
gptkbp:temperature
|
9,940 K
|
|
gptkbp:variableStar
|
no
|
|
gptkbp:bfsParent
|
gptkb:binary_stars
gptkb:Stars
gptkb:stellar_classification
gptkb:Intelligence_Advanced_Research_Projects_Activity_(IARPA)
gptkb:Olaf_Stapledon
gptkb:University_of_Twente
gptkb:Procyon
|
|
gptkbp:bfsLayer
|
5
|