|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:age
|
~242 million years
|
|
gptkbp:apparentMagnitude
|
-1.46
+1.42
|
|
gptkbp:catalogueNumber
|
gptkb:BD-16_1591
gptkb:LHS_219
gptkb:WDS_J06451-1643A
gptkb:AAVSO_0640-16
gptkb:GC_8898
gptkb:GJ_244_A
gptkb:IDS_06413-1637_A
gptkb:PLX_1652
gptkb:PPM_217498
gptkb:FK5_208
gptkb:HD_48915
gptkb:HIP_32349
gptkb:HR_2491
gptkb:SAO_151881
|
|
gptkbp:colorIndexB-V
|
+0.00
-0.05
|
|
gptkbp:constellation
|
gptkb:Canis_Major
|
|
gptkbp:declination
|
-16° 42′ 58.017″
|
|
gptkbp:diameter
|
1.711 solar radii
|
|
gptkbp:discoveredBy
|
Ancient astronomers
|
|
gptkbp:distanceFromEarth
|
8.6 light years
|
|
gptkbp:evolutionaryStage
|
gptkb:main_sequence
|
|
gptkbp:hasCompanion
|
gptkb:Sirius_B
|
|
gptkbp:hasViewOf
|
gptkb:Earth
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Sirius A
|
|
gptkbp:luminosity
|
25.4 times Sun
|
|
gptkbp:mass
|
2.02 solar masses
|
|
gptkbp:metallicity
|
+0.5 [Fe/H]
|
|
gptkbp:notableFor
|
brightest star in the night sky
|
|
gptkbp:observedBy
|
gptkb:Gaia
gptkb:Hipparcos
|
|
gptkbp:orbitalPeriodWithSiriusB
|
~50.1 years
|
|
gptkbp:otherName
|
gptkb:Alpha_Canis_Majoris_A
gptkb:Dog_Star
|
|
gptkbp:parallax
|
379.21 mas
|
|
gptkbp:partOf
|
gptkb:Sirius_binary_system
|
|
gptkbp:properMotionRA
|
-546.01 mas/yr (RA), -1223.07 mas/yr (Dec)
|
|
gptkbp:radialVelocity
|
-5.5 km/s
|
|
gptkbp:rightAscension
|
06h 45m 08.9173s
|
|
gptkbp:rotationPeriod
|
16 km/s
|
|
gptkbp:separationFromSiriusB
|
8.2 to 31.5 AU
|
|
gptkbp:spectralType
|
A1V
|
|
gptkbp:surfaceGravity
|
4.33 (log g)
|
|
gptkbp:temperature
|
9,940 K
|
|
gptkbp:bfsParent
|
gptkb:Sirius_B
|
|
gptkbp:bfsLayer
|
6
|