|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:age
|
about 5-6 billion years
|
|
gptkbp:apparentMagnitude
|
-0.27
|
|
gptkbp:brightestStar
|
gptkb:Alpha_Centauri_A
|
|
gptkbp:catalogueNumber
|
HIP 71683 (A), HIP 71681 (B), HIP 70890 (Proxima)
|
|
gptkbp:contains
|
gptkb:Proxima_Centauri
gptkb:Alpha_Centauri_A
gptkb:Alpha_Centauri_B
|
|
gptkbp:declination
|
-60° 50′ 02.3737″
|
|
gptkbp:discoveredBy
|
unknown (known since antiquity)
|
|
gptkbp:distanceFromEarth
|
4.37 light-years
|
|
gptkbp:hasExoplanet
|
gptkb:Proxima_Centauri_b
|
|
gptkbp:hasViewOf
|
gptkb:Southern_Hemisphere
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Alpha Centauri system
|
|
gptkbp:isTripleStarSystem
|
true
|
|
gptkbp:locatedIn
|
constellation Centaurus
|
|
gptkbp:metallicity
|
slightly higher than Sun
|
|
gptkbp:nearestExoplanetToEarth
|
gptkb:Proxima_Centauri_b
|
|
gptkbp:nearestStarSystemToSun
|
true
|
|
gptkbp:orbitalPeriodAlphaCentauriAB
|
about 79.91 years
|
|
gptkbp:otherName
|
gptkb:Gliese_559
gptkb:Rigil_Kentaurus
|
|
gptkbp:parallax
|
747.17 mas
|
|
gptkbp:properMotionRA
|
significant
|
|
gptkbp:ProximaCentauriDistanceFromAlphaCentauriAB
|
13,000 AU
|
|
gptkbp:rating
|
3
|
|
gptkbp:rightAscension
|
14h 39m 36.49400s
|
|
gptkbp:separationAlphaCentauriAB
|
11.2 AU (average)
|
|
gptkbp:spectralType
|
gptkb:G2V_(Alpha_Centauri_A)
gptkb:K1V_(Alpha_Centauri_B)
gptkb:M5.5Ve_(Proxima_Centauri)
|
|
gptkbp:bfsParent
|
gptkb:Proxima_Centauri
gptkb:Pandora
|
|
gptkbp:bfsLayer
|
5
|