|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:age
|
~242 million years
|
|
gptkbp:alsoKnownAs
|
gptkb:Sirius
|
|
gptkbp:apparentMagnitude
|
-1.46
|
|
gptkbp:binarySystem
|
yes
|
|
gptkbp:catalogue
|
gptkb:Hipparcos_Catalogue
gptkb:Bright_Star_Catalogue
|
|
gptkbp:catalogueNumber
|
gptkb:Gliese_244
gptkb:BD−16°1591
gptkb:FK5_208
gptkb:HD_48915
gptkb:HIP_32349
gptkb:HR_2491
gptkb:SAO_151881
gptkb:WDS_J06451-1643
ADS 5423
GC 8892
|
|
gptkbp:color
|
white
|
|
gptkbp:companionDiscoveryYear
|
1844
|
|
gptkbp:component
|
gptkb:Sirius_B
gptkb:Sirius_A
|
|
gptkbp:constellation
|
gptkb:Canis_Major
|
|
gptkbp:culturalSignificance
|
gptkb:Dog_Days_of_summer
associated with flooding of Nile
calendar marker for ancient Egypt
|
|
gptkbp:declination
|
-16° 42′ 58″
|
|
gptkbp:diameter
|
1.711 solar radii
|
|
gptkbp:discoveredCompanion
|
gptkb:Friedrich_Bessel
|
|
gptkbp:distanceFromEarth
|
8.6 light years
|
|
gptkbp:firstPhotographed
|
1850s
|
|
gptkbp:hasCompanion
|
gptkb:Sirius_B
gptkb:white_dwarf
|
|
gptkbp:hasViewOf
|
most of Earth
|
|
gptkbp:luminosity
|
25.4 times Sun
|
|
gptkbp:mass
|
2.02 solar masses
|
|
gptkbp:mythology
|
associated with the dog star
|
|
gptkbp:notableFor
|
brightest star in the night sky
|
|
gptkbp:observedBy
|
gptkb:ancient_Egyptians
gptkb:ancient_Greeks
gptkb:Babylonians
gptkb:Chinese_astronomers
|
|
gptkbp:parallax
|
379.21 mas
|
|
gptkbp:partOf
|
gptkb:Milky_Way
|
|
gptkbp:properMotionRA
|
-546.01 mas/yr
|
|
gptkbp:rightAscension
|
06h 45m 08.9s
|
|
gptkbp:risesIn
|
winter (Northern Hemisphere)
|
|
gptkbp:setsIn
|
summer (Northern Hemisphere)
|
|
gptkbp:spectralType
|
A1V
|
|
gptkbp:bfsParent
|
gptkb:Athens_Tram
gptkb:Milan_trams
gptkb:Tramvia_di_Firenze
gptkb:Marina_Militare
gptkb:AnsaldoBreda_trains
gptkb:Florence_tramway
|
|
gptkbp:bfsLayer
|
7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Sirio
|