|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:age
|
about 14.46 billion years
older than the Sun
|
|
gptkbp:apparentMagnitude
|
7.205
|
|
gptkbp:catalogue
|
gptkb:Gliese_Catalogue
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue
gptkb:Bright_Star_Catalogue
|
|
gptkbp:constellation
|
Libra
|
|
gptkbp:discoveredBy
|
gptkb:E._E._Barnard
|
|
gptkbp:discoveredIn
|
1912
|
|
gptkbp:distanceFromEarth
|
190 light-years
|
|
gptkbp:galacticHaloMember
|
true
|
|
gptkbp:heliumContent
|
low
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Methuselah star
|
|
gptkbp:ironContent
|
very low
|
|
gptkbp:luminosity
|
2.3 times solar luminosity
|
|
gptkbp:mass
|
0.8 solar masses
|
|
gptkbp:metallicity
|
very low
|
|
gptkbp:notableFor
|
one of the oldest known stars
|
|
gptkbp:officialName
|
gptkb:HD_140283
|
|
gptkbp:otherName
|
gptkb:HIP_76976
gptkb:HR_5889
G 64-12
|
|
gptkbp:parallax
|
17.15 mas
|
|
gptkbp:population
|
gptkb:Population_II
|
|
gptkbp:properMotionRA
|
-1115.91 mas/yr (RA)
-3025.43 mas/yr (Dec)
|
|
gptkbp:radialVelocity
|
-170.0 km/s
|
|
gptkbp:spectralType
|
G0IV
|
|
gptkbp:temperature
|
5777 K
|
|
gptkbp:bfsParent
|
gptkb:HD_140283
|
|
gptkbp:bfsLayer
|
8
|