X-Ray binary

An X-ray binary is a type of binary star system that has a star, called a donor (usually a main sequence star) and an accretor (either a neutron star or a black…

X-Ray binary
An artist's impression of an X-ray binary system

An X-ray binary is a type of binary star system that has a star, called a donor (usually a main sequence star) and an accretor (either a neutron star or a black hole). The donor gives matter to the accretor. The systems are luminous in X-rays which are formed from the matter falling from the donor.[1][2]

Classification

X-ray binaries are subdivided into several subclasses. They include:

List of X-ray binary systems

References

  1. ↑ "Imagine the Universe!". imagine.gsfc.nasa.gov. Retrieved 2026-06-26.
  2. ↑ "X-ray Binary | COSMOS". astronomy.swin.edu.au. Archived from the original on 2026-06-13. Retrieved 2026-06-26.


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