Alhena

URI: https://gptkb.org/entity/Alhena
GPTKB entity
Statements (40)
Predicate Object
gptkbp:instanceOf gptkb:star
gptkbp:apparentMagnitude 1.93
gptkbp:BayerDesignation gptkb:γ_Geminorum
gptkbp:binarySystem yes
gptkbp:catalogue gptkb:ADS_3841
gptkb:BD+16_1296
gptkb:GC_8882
gptkb:HD_47105
gptkb:HR_2421
gptkb:SAO_78962
gptkb:WDS_J06377+1624
gptkb:FK5_252
gptkb:HIP_31681
gptkbp:colorIndexB-V +0.00
gptkbp:constellation gptkb:Gemini
gptkbp:declination +16° 23′ 57″
gptkbp:diameter 3.3 solar radii
gptkbp:discoveredIn 1781
gptkbp:distanceFromEarth 109 light years
gptkbp:eclipticLatitude +6.6°
gptkbp:hasCompanion gptkb:Alhena_B
https://www.w3.org/2000/01/rdf-schema#label Alhena
gptkbp:luminosity 123 times Sun
gptkbp:mass 2.8 solar masses
gptkbp:nameMeaning The brand (on the neck of a camel)
gptkbp:notableFor third brightest star in Gemini
gptkbp:otherName gptkb:Gamma_Geminorum
gptkbp:parallax 29.84 mas
gptkbp:properMotionRA -44.51 mas/yr
-54.93 mas/yr
gptkbp:radialVelocity +1.1 km/s
gptkbp:rightAscension 06h 37m 42.7s
gptkbp:spectralType A1IV
gptkbp:temperature 9,260 K
gptkbp:variableStar no
gptkbp:visibleToNakedEye yes
gptkbp:bfsParent gptkb:Bright_Stars
gptkb:Gemini_(constellation)
gptkb:Bright_Star_Catalogue
gptkbp:bfsLayer 7