Beta Lyrae system

URI: https://gptkb.org/entity/Beta_Lyrae_system
GPTKB entity
Statements (33)
Predicate Object
gptkbp:instanceOf gptkb:binary_star_system
gptkbp:apparentMagnitude 3.52
gptkbp:component gptkb:Beta_Lyrae_A
gptkb:Beta_Lyrae_B
gptkbp:declination +33° 21′ 46″
gptkbp:discoveredBy gptkb:John_Goodricke
gptkbp:discoveredIn 1784
gptkbp:distanceFromEarth 960 light years
gptkbp:eclipsingBinary yes
gptkbp:locatedIn constellation Lyra
gptkbp:luminosity ~25,000 L☉
gptkbp:mainStar no
gptkbp:massTransfer yes
gptkbp:metallicity gptkb:unknown
gptkbp:notableFor prototype of Beta Lyrae variables
gptkbp:numberOfConstituents at least 6
gptkbp:orbitType 12.9 days
gptkbp:otherName gptkb:Sheliak
gptkbp:parallax 3.39 mas
gptkbp:properMotionRA -4.59 mas/yr
2.37 mas/yr
gptkbp:radialVelocity -19.2 km/s
gptkbp:rightAscension 18h 50m 04.8s
gptkbp:SIMBADID bet+Lyr
gptkbp:spectralType B7II
gptkbp:variableType gptkb:Beta_Lyrae_variable
gptkbp:bfsParent gptkb:The_Tail_of_Beta_Lyrae
gptkb:Beta_Lyrae_A
gptkb:Beta_Lyrae_B
gptkb:Sheliak_B
gptkb:Sheliak_C
gptkbp:bfsLayer 8
https://www.w3.org/2000/01/rdf-schema#label Beta Lyrae system