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Cherenkov Telescope Array

Microquasars: The “Elusive” Gamma-Ray Emitters

8 Jan 2021, 12:40 UTC
Microquasars: The “Elusive” Gamma-Ray Emitters Optical: DSS; Illustration: NASA/CXC/M.Weiss

Microquasars are Galactic binary systems composed of a star and a compact object (a black hole or a neutron star) that eats up matter from its companion, usually via an accretion disk, giving rise to relativistic jets, i.e. beams of particles moving almost at the speed of light. These jets, which can be either intermittent or persistent structures depending on the specific state of the system, emanate from the vicinity of the compact object and can expand light years away from the binary system.

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