Procyon A

URI: https://gptkb.org/entity/Procyon_A

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:star
gptkbp:age	1.87 billion years
gptkbp:apparentMagnitude	0.34 2.68
gptkbp:colorIndexB-V	0.00 0.42
gptkbp:constellation	gptkb:Canis_Minor
gptkbp:declination	+05° 13′ 29.955″
gptkbp:diameter	2.048 solar radii
gptkbp:discoveredBy	ancient astronomers
gptkbp:distanceFromEarth	11.46 light-years
gptkbp:hasCompanion	gptkb:Procyon_B
https://www.w3.org/2000/01/rdf-schema#label	Procyon A
gptkbp:luminosity	6.93 times solar luminosity
gptkbp:mass	1.5 solar masses
gptkbp:metallicity	[Fe/H] = −0.05
gptkbp:orbitalPeriodWithCompanion	40.84 years
gptkbp:otherName	gptkb:HD_61421 gptkb:HIP_37279 gptkb:HR_2943 gptkb:Alpha_Canis_Minoris_A gptkb:BD+05°1668 gptkb:Gliese_280_A
gptkbp:parallax	285.93 mas
gptkbp:partOf	gptkb:Procyon_system
gptkbp:properMotionRA	−1036.84 mas/yr −716.57 mas/yr
gptkbp:radialVelocity	−3.2 km/s
gptkbp:rightAscension	07h 39m 18.1195s
gptkbp:spectralType	F5IV–V
gptkbp:temperature	6,530 K
gptkbp:variant	no
gptkbp:visibleToNakedEye	yes
gptkbp:bfsParent	gptkb:Procyon
gptkbp:bfsLayer	5