|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:alsoKnownAs
|
gptkb:Plaskett's_Star
|
|
gptkbp:apparentMagnitude
|
6.06
|
|
gptkbp:binarySystem
|
true
|
|
gptkbp:catalogueNumber
|
gptkb:HD_47129
BD+06 1309
HIP 31615
HR 2422
SAO 114010
|
|
gptkbp:component
|
HD 47129 A
HD 47129 B
|
|
gptkbp:declination
|
+06° 08′ 07″
|
|
gptkbp:discoveredBy
|
gptkb:John_Stanley_Plaskett
|
|
gptkbp:discoveredIn
|
1922
|
|
gptkbp:distanceFromEarth
|
about 6,600 light-years
|
|
gptkbp:eclipsingBinary
|
false
|
|
gptkbp:hasStellarWind
|
true
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
HD 47129
|
|
gptkbp:locatedIn
|
constellation Monoceros
|
|
gptkbp:luminosity
|
over 1,000,000 times Sun
|
|
gptkbp:massOfPrimary
|
about 54 solar masses
|
|
gptkbp:massOfSecondary
|
about 56 solar masses
|
|
gptkbp:metallicity
|
about solar
|
|
gptkbp:notableFor
|
one of the most massive binary star systems known
|
|
gptkbp:orbitType
|
14.396 days
|
|
gptkbp:parallax
|
0.22 mas
0.49 mas
|
|
gptkbp:radialVelocity
|
+18.0 km/s
|
|
gptkbp:rightAscension
|
06h 37m 24.0s
|
|
gptkbp:rotationalVelocityOfPrimary
|
75 km/s
|
|
gptkbp:rotationalVelocityOfSecondary
|
300 km/s
|
|
gptkbp:SIMBADID
|
HD+47129
|
|
gptkbp:spectralType
|
O8I+O7.5III
|
|
gptkbp:temperatureOfPrimary
|
33,000 K
|
|
gptkbp:temperatureOfSecondary
|
33,000 K
|
|
gptkbp:variableStar
|
true
|
|
gptkbp:XRaySource
|
true
|
|
gptkbp:bfsParent
|
gptkb:Monocerotis
gptkb:Plaskett's_Star
|
|
gptkbp:bfsLayer
|
7
|