Gamma^2 Velorum

GPTKB entity

Statements (48)
Predicate Object
gptkbp:instanceOf gptkb:star
gptkbp:alsoKnownAs gptkb:γ^2_Velorum
gptkb:Regor
gptkbp:alternativeName gptkb:Suhail_al_Muhlif
gptkb:Regor
gptkbp:apparentMagnitude 1.7
gptkbp:catalogueNumber gptkb:HD_68273
gptkb:HIP_39953
gptkb:HR_3207
gptkb:SAO_219842
gptkb:2MASS_J08093195-4720117
gptkb:CD−47°_4551
gptkbp:component white dwarf
O-type giant star
gptkbp:declination −47° 20′ 11.7″
gptkbp:discoveredBy gptkb:James_Dunlop
gptkbp:discoveredIn 1826
gptkbp:distanceFromEarth ~1,120 light-years
gptkbp:evolutionaryStage post-main sequence
gptkbp:hasCompanion gptkb:Gamma^1_Velorum
gptkbp:hasFeature colliding-wind binary
strong emission lines
variable brightness
gptkbp:hasViewOf gptkb:Southern_Hemisphere
https://www.w3.org/2000/01/rdf-schema#label Gamma^2 Velorum
gptkbp:locatedIn constellation Vela
gptkbp:luminosity ~200,000 times Sun (Wolf-Rayet component)
~300,000 times Sun (O-type component)
gptkbp:mass ~28 solar masses (Wolf-Rayet component)
~30 solar masses (O-type component)
gptkbp:metallicity ~solar
gptkbp:notableFor X-ray source
brightest known Wolf-Rayet star
emits gamma rays
source of strong stellar wind
gptkbp:orbitType 78.5 days
gptkbp:parallax 0.38 mas
2.92 mas
gptkbp:partOf gptkb:Vela_OB2_association
gptkbp:properMotionRA 9.45 mas/yr
−6.12 mas/yr
gptkbp:radialVelocity 9.6 km/s
gptkbp:rightAscension 08h 09m 31.95s
gptkbp:separationFromCompanion 41 arcseconds (from Gamma^1 Velorum)
gptkbp:spectralType WC8 + O7.5III
gptkbp:variableType binary star system
gptkbp:bfsParent gptkb:Gamma_Velorum
gptkbp:bfsLayer 6