|
gptkbp:instanceOf
|
gptkb:star
gptkb:astronomer
|
|
gptkbp:age
|
455 million years
|
|
gptkbp:apparentMagnitude
|
0.03
|
|
gptkbp:BayerDesignation
|
gptkb:Alpha_Lyrae
|
|
gptkbp:catalogue
|
gptkb:Flamsteed_designation_3_Lyrae
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue
gptkb:Bright_Star_Catalogue
|
|
gptkbp:constellation
|
gptkb:Lyra
|
|
gptkbp:declination
|
+38° 47′ 01.2802″
|
|
gptkbp:diameter
|
2.362 solar radii
|
|
gptkbp:discoveredBy
|
ancient astronomers
|
|
gptkbp:distanceFromEarth
|
25 light years
|
|
gptkbp:hasCompanion
|
no known stellar companion
|
|
gptkbp:hasDebrisDisk
|
yes
|
|
gptkbp:hasInfraredExcess
|
yes
|
|
gptkbp:isBrightestStarInConstellation
|
yes
|
|
gptkbp:isOneOf
|
the 5 brightest stars in the night sky
|
|
gptkbp:isPoleStar
|
yes (for Mars)
|
|
gptkbp:isReferenceStarFor
|
gptkb:photometric_system
|
|
gptkbp:luminosity
|
40.12 times solar luminosity
|
|
gptkbp:mass
|
2.1 solar masses
|
|
gptkbp:metallicity
|
-0.5 [Fe/H]
|
|
gptkbp:otherName
|
gptkb:Vega
gptkb:HD_172167
|
|
gptkbp:parallax
|
130.23 mas
|
|
gptkbp:partOf
|
gptkb:Summer_Triangle
|
|
gptkbp:rightAscension
|
18h 36m 56.33635s
|
|
gptkbp:rotationPeriod
|
274 km/s
|
|
gptkbp:spectralType
|
A0V
|
|
gptkbp:temperature
|
9602 K
|
|
gptkbp:variableType
|
gptkb:Delta_Scuti
|
|
gptkbp:visibleToNakedEye
|
yes
|
|
gptkbp:bfsParent
|
gptkb:Vega
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
HR 7001
|