Proxima Centauri planetary system

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:concert_hall
gptkbp:containsPlanet	gptkb:Proxima_Centauri_b gptkb:Proxima_Centauri_c gptkb:Proxima_Centauri_d
gptkbp:discoveredBy	2016
gptkbp:distanceFromEarth	0.122 solar masses 4.24 light-years
gptkbp:galaxyType	gptkb:white_dwarf
gptkbp:hasPotentiallyHabitablePlanet	gptkb:Proxima_Centauri_b
gptkbp:hostedBy	gptkb:Proxima_Centauri
gptkbp:locatedIn	gptkb:Proxima_Centauri gptkb:Alpha_Centauri_system
gptkbp:nearestPlanetarySystemToSun	true
gptkbp:numberOfConfirmedPlanets	3
gptkbp:planetDiscoveryMethod	astrometry radial velocity transit timing variations
gptkbp:starAge	4.85 billion years
gptkbp:starApparentMagnitude	11.13
gptkbp:starConstellation	gptkb:Centaurus
gptkbp:starDistanceFromAlphaCentauriAB	0.21 light-years
gptkbp:starFlareActivity	high
gptkbp:starLuminosity	0.0017 solar luminosities
gptkbp:starMetallicity	-0.01 [Fe/H]
gptkbp:starRadius	0.1542 solar radii
gptkbp:starRotationPeriod	83 days
gptkbp:starSpectralType	M5.5Ve
gptkbp:bfsParent	gptkb:M5.5Ve_(Proxima_Centauri) gptkb:Proxima_Centauri_d
gptkbp:bfsLayer	7
https://www.w3.org/2000/01/rdf-schema#label	Proxima Centauri planetary system