|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:alsoKnownAs
|
gptkb:Gamma_Velorum
γ Velorum
|
|
gptkbp:apparentMagnitude
|
1.7
|
|
gptkbp:binarySystem
|
yes
|
|
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
Gamma Velorum A
Gamma Velorum B
|
|
gptkbp:constellation
|
Vela
|
|
gptkbp:declination
|
−47° 20′ 11.7″
|
|
gptkbp:discoveredBy
|
gptkb:Nicolas-Louis_de_Lacaille
|
|
gptkbp:discoveredIn
|
1752
|
|
gptkbp:distanceFromEarth
|
~1,120 light-years
|
|
gptkbp:eclipsingBinary
|
no
|
|
gptkbp:hasCompanion
|
Gamma Velorum A
Gamma Velorum B
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Regor (Gamma Velorum)
|
|
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:namedFor
|
gptkb:International_Astronomical_Union
|
|
gptkbp:nameOrigin
|
Regor is 'Roger' spelled backwards, named by Apollo astronauts
|
|
gptkbp:notableFor
|
strong stellar winds
brightest known Wolf-Rayet star
source of X-rays
possible supernova progenitor
|
|
gptkbp:orbitType
|
78.5 days
|
|
gptkbp:parallax
|
2.92 mas
|
|
gptkbp:partOf
|
gptkb:Vela_OB2_association
|
|
gptkbp:properMotionRA
|
−6.12 mas/yr
+9.80 mas/yr
|
|
gptkbp:radialVelocity
|
+9.7 km/s
|
|
gptkbp:rightAscension
|
08h 09m 31.95s
|
|
gptkbp:spectralType
|
WC8 + O7.5III
|
|
gptkbp:temperature
|
35,000 K (O-type component)
57,000 K (Wolf-Rayet component)
|
|
gptkbp:variableStar
|
yes
|
|
gptkbp:bfsParent
|
gptkb:Vela_constellation
|
|
gptkbp:bfsLayer
|
7
|