|
gptkbp:instanceOf
|
binary star system
|
|
gptkbp:apparentMagnitude
|
6.06
-6.5
|
|
gptkbp:catalogue
|
gptkb:Henry_Draper_Catalogue
|
|
gptkbp:catalogueNumber
|
gptkb:HD_47129
|
|
gptkbp:component
|
Plaskett's Star A
Plaskett's Star B
|
|
gptkbp:declination
|
+06° 08′ 07″
|
|
gptkbp:discoveredBy
|
gptkb:John_Stanley_Plaskett
|
|
gptkbp:discoveredIn
|
1922
|
|
gptkbp:distanceFromEarth
|
about 6,600 light-years
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Plaskett's Star
|
|
gptkbp:locatedIn
|
constellation Monoceros
|
|
gptkbp:luminosity
|
over 600,000 times Sun (combined)
|
|
gptkbp:mass
|
about 54 solar masses (A)
about 56 solar masses (B)
|
|
gptkbp:namedAfter
|
gptkb:John_Stanley_Plaskett
|
|
gptkbp:notableFor
|
one of the most massive binary star systems known
|
|
gptkbp:orbitType
|
14.39625 days
|
|
gptkbp:otherName
|
gptkb:HD_47129
gptkb:V640_Monocerotis
|
|
gptkbp:parallax
|
0.49 mas
|
|
gptkbp:rightAscension
|
06h 37m 24.0s
|
|
gptkbp:spectralType
|
O7.5I
O8I
|
|
gptkbp:variableType
|
binary star system
|
|
gptkbp:bfsParent
|
gptkb:Dominion_Astrophysical_Observatory
|
|
gptkbp:bfsLayer
|
6
|