Gravitational slingshots around black holes in a binary

26 Jan 2020 Zhang Fan

The speed gain of a test mass from taking a gravitational slingshot around a celestial object (scattering centre) increases with the latter's speed and compactness (stronger deflection of the mass' trajectory becomes possible without it hitting the surface of the object). The black holes (BHs) in a tight binary (consisting of two black holes; we are not considering X-ray binaries), themselves moving at relativistic speeds, represent optimal scattering centres... (read more)

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  • HIGH ENERGY ASTROPHYSICAL PHENOMENA