HDE 226868 B

URI: https://gptkb.org/entity/HDE_226868_B

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:black_hole
gptkbp:alternativeName	gptkb:Cygnus_X-1_B
gptkbp:discoveredBy	1971
gptkbp:distanceFromEarth	~6,070 light-years
gptkbp:hasCompanion	gptkb:HDE_226868
gptkbp:locatedIn	gptkb:Cygnus
gptkbp:mass	~21 solar masses
gptkbp:partOf	gptkb:Cygnus_X-1
gptkbp:type	gptkb:black_hole
gptkbp:XRaySource	gptkb:Cygnus_X-1
gptkbp:bfsParent	gptkb:The_Black_Hole_of_Cygnus_X-1
gptkbp:bfsLayer	6
https://www.w3.org/2000/01/rdf-schema#label	HDE 226868 B