Proxima Centauri planetary system

URI: https://gptkb.org/entity/Proxima_Centauri_planetary_system
GPTKB entity
Statements (31)
Predicate Object
gptkbp:instanceOf 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 white dwarf
gptkbp:hasPotentiallyHabitablePlanet gptkb:Proxima_Centauri_b
gptkbp:hostedBy gptkb:Proxima_Centauri
https://www.w3.org/2000/01/rdf-schema#label Proxima Centauri planetary system
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 6