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gptkbp:instanceOf
|
gptkb:star
named star
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gptkbp:apparentMagnitude
|
3.52
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gptkbp:catalogueNumber
|
gptkb:Beta_Lyrae
gptkb:2MASS_J18500480+3321460
gptkb:BD+33_3224
gptkb:HD_174638
gptkb:HIP_92202
gptkb:HR_7106
gptkb:SAO_67439
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gptkbp:constellation
|
gptkb:Lyra
|
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gptkbp:declination
|
+33° 21′ 46″
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gptkbp:discoveredBy
|
John Goodricke (variability, 1784)
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gptkbp:distanceFromEarth
|
960 light years
|
|
gptkbp:eclipsingBinary
|
true
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gptkbp:hasCompanion
|
gptkb:Sheliak_B
gptkb:Sheliak_C
gptkb:Sheliak_D
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Sheliak
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gptkbp:IAUApprovedName
|
gptkb:Sheliak
|
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gptkbp:luminosity
|
~2,600 times Sun (secondary component)
~25,000 times Sun (primary component)
|
|
gptkbp:mass
|
~13 solar masses (secondary component)
~3.0 solar masses (primary component)
|
|
gptkbp:nameOrigin
|
Arabic (meaning 'the harp')
|
|
gptkbp:notableFor
|
prototype of Beta Lyrae variables
|
|
gptkbp:otherName
|
gptkb:Beta_Lyrae
|
|
gptkbp:partOf
|
gptkb:Lyra_constellation
|
|
gptkbp:period
|
12.9 days
|
|
gptkbp:platform
|
binary star system
|
|
gptkbp:rightAscension
|
18h 50m 04.8s
|
|
gptkbp:spectralType
|
B7II
|
|
gptkbp:variableType
|
gptkb:Beta_Lyrae_variable
|
|
gptkbp:visibleToNakedEye
|
true
|
|
gptkbp:bfsParent
|
gptkb:Beta_Quadrant
gptkb:Beta_Lyrae
gptkb:Lyra
|
|
gptkbp:bfsLayer
|
6
|