Pollux

URI: https://gptkb.org/entity/Pollux
GPTKB entity
Statements (37)
Predicate Object
gptkbp:instanceOf gptkb:star
gptkbp:age 724 million years
gptkbp:apparentMagnitude 1.14
gptkbp:BayerDesignation gptkb:β_Geminorum
gptkbp:brightestStar gptkb:Gemini
gptkbp:constellation gptkb:Gemini
gptkbp:containsPlanet gas giant
gptkbp:declination +28° 01′ 35″
gptkbp:diameter 8.8 solar radii
gptkbp:discoveredExoplanets 2006
gptkbp:distanceFromEarth 33.78 light years
gptkbp:exoplanetMass 2.3 Jupiter masses
gptkbp:exoplanetOrbitalPeriod 590 days
gptkbp:hasCompanion gptkb:Castor
gptkbp:hasExoplanet gptkb:Pollux_b
https://www.w3.org/2000/01/rdf-schema#label Pollux
gptkbp:IAUApprovedName gptkb:Pollux
gptkbp:isPartOfAsterism gptkb:Gemini_Twins
gptkbp:isSingleStar true
gptkbp:luminosity 43 times Sun
gptkbp:mass 1.91 solar masses
gptkbp:metallicity [Fe/H] = +0.08
gptkbp:namedAfter gptkb:Pollux_(mythology)
gptkbp:otherName gptkb:Beta_Geminorum
gptkbp:parallax 96.54 mas
gptkbp:properMotionRA -45.95 mas/yr
-626.55 mas/yr
gptkbp:rightAscension 07h 45m 19.4s
gptkbp:spectralType K0III
gptkbp:temperature 4,865 K
gptkbp:visibleToNakedEye true
gptkbp:bfsParent gptkb:Polydeuces
gptkb:Castor
gptkb:Elden_Henson
gptkb:Jason_and_the_Argonauts
gptkb:Young_Hercules
gptkbp:bfsLayer 5