Cygnus X-1 (English, name)
expansion: Cygnus X-1
Senses:
topics: astronomy
natural-sciences
physical-sciences
physics
glosses: A placename.
The first generally accepted and confirmed black hole. A black hole in a high-mass X-ray binary (HMXB) with a blue supergiant companion (HD 226868), located in the constellation Cygnus.
topics: astronomy
natural-sciences
physical-sciences
physics
glosses: A placename.
The high-mass X-ray binary star system containing this black hole and blue supergiant star.
Forms: