HD 128620 (Alpha Centauri A)

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:star
gptkbp:age	5.3 billion years
gptkbp:apparentMagnitude	-0.01
gptkbp:BayerDesignation	gptkb:Alpha_Centauri_A
gptkbp:catalogue	gptkb:Henry_Draper_Catalogue gptkb:Hipparcos_Catalogue gptkb:Bright_Star_Catalogue
gptkbp:catalogueNumber	gptkb:GJ_559_A gptkb:HR_5459 gptkb:CD-60_5483 gptkb:HIP_71683 gptkb:SAO_252838
gptkbp:component	gptkb:Alpha_Centauri_binary
gptkbp:constellation	gptkb:Centaurus
gptkbp:declination	-60° 50′ 02.3737″
gptkbp:diameter	1.223 solar radii
gptkbp:discoveredIn	prehistory
gptkbp:distanceFromEarth	4.37 light years
gptkbp:harvardDesignation	gptkb:HD_128620
gptkbp:hasCompanion	HD 128621 (Alpha Centauri B) Proxima Centauri (Alpha Centauri C)
https://www.w3.org/2000/01/rdf-schema#label	HD 128620 (Alpha Centauri A)
gptkbp:luminosity	1.519 solar luminosities
gptkbp:mass	1.1 solar masses
gptkbp:metallicity	+0.22 [Fe/H]
gptkbp:nearestStarSystemToSun	true
gptkbp:otherName	gptkb:Alpha_Centauri_A gptkb:Rigil_Kentaurus
gptkbp:parallax	747.17 mas
gptkbp:partOf	gptkb:Alpha_Centauri_system
gptkbp:properMotionRA	+481.84 mas/yr -3678.19 mas/yr
gptkbp:radialVelocity	-22.4 km/s
gptkbp:rightAscension	14h 39m 36.49400s
gptkbp:rotationPeriod	22 days
gptkbp:solarAnalog	true
gptkbp:spectralType	G2V
gptkbp:temperature	5790 K
gptkbp:visibleToNakedEye	true
gptkbp:bfsParent	gptkb:HD_128621_(B)
gptkbp:bfsLayer	7