|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:age
|
455 million years
|
|
gptkbp:alsoKnownAs
|
gptkb:Vega
|
|
gptkbp:apparentMagnitude
|
0.03
|
|
gptkbp:brightestStar
|
gptkb:Lyra
|
|
gptkbp:catalogue
|
gptkb:Hipparcos
gptkb:Henry_Draper_Catalogue
gptkb:Bright_Star_Catalogue
|
|
gptkbp:catalogueNumber
|
gptkb:SAO_067174
gptkb:BD+38_3238
gptkb:HIP_91262
gptkb:HR_7001
|
|
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:hasDebrisDisk
|
yes
|
|
gptkbp:hasExoplanet
|
no confirmed exoplanets
|
|
gptkbp:hasInfraredExcess
|
yes
|
|
gptkbp:historicalSignificance
|
yes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
HD 172167
|
|
gptkbp:isCalibratorStar
|
yes
|
|
gptkbp:isFifthBrightestStar
|
yes
|
|
gptkbp:isPoleStar
|
yes (for Mars)
|
|
gptkbp:isReferenceStar
|
yes
|
|
gptkbp:isStandardStar
|
yes
|
|
gptkbp:luminosity
|
40.12 times solar
|
|
gptkbp:mass
|
2.1 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] = -0.5
|
|
gptkbp:nameOrigin
|
Arabic (Wega, falling or swooping eagle)
|
|
gptkbp:parallax
|
130.23 mas
|
|
gptkbp:partOf
|
gptkb:Summer_Triangle
|
|
gptkbp:properMotionRA
|
201.03 mas/yr
286.23 mas/yr
|
|
gptkbp:rightAscension
|
18h 36m 56.33635s
|
|
gptkbp:rotationPeriod
|
21.9 km/s
|
|
gptkbp:spectralType
|
A0V
|
|
gptkbp:temperature
|
9602 K
|
|
gptkbp:variableType
|
gptkb:Delta_Scuti
|
|
gptkbp:visibleToNakedEye
|
yes
|
|
gptkbp:bfsParent
|
gptkb:牵牛星
gptkb:21_Draconis
gptkb:Vega
gptkb:织女星
|
|
gptkbp:bfsLayer
|
6
|