GJ 229

URI: https://gptkb.org/entity/GJ_229
GPTKB entity
Statements (28)
Predicate Object
gptkbp:instanceOf gptkb:star
gptkbp:alternativeName gptkb:Gliese_229
gptkb:HD_42581
gptkb:LHS_1827
gptkbp:apparentMagnitude 6.54
gptkbp:brownDwarfCompanion gptkb:GJ_229_B
gptkbp:brownDwarfCompanionSpectralType gptkb:T7
gptkbp:constellation gptkb:Lepus
gptkbp:declination -21° 51′ 52.56″
gptkbp:diameter 0.69
gptkbp:discoveredBy gptkb:Friedrich_Wilhelm_Argelander
gptkbp:distanceFromEarth 18.8
5.75
gptkbp:epoch gptkb:J2000
gptkbp:hasCompanion gptkb:GJ_229_B
https://www.w3.org/2000/01/rdf-schema#label GJ 229
gptkbp:luminosity 0.042
gptkbp:mass 0.58
gptkbp:metallicity -0.01
gptkbp:parallax 174.17
gptkbp:properMotionRA -173.6
-82.6
gptkbp:radialVelocity 12.4
gptkbp:rightAscension 06h 10m 34.614s
gptkbp:spectralType M1V
gptkbp:bfsParent gptkb:Gliese_229
gptkb:HIP_27989
gptkbp:bfsLayer 7