Repeated Gravitational Lensing of Gravitational Waves in Hierarchical Black Hole Triples

16 Apr 2020 D'Orazio Daniel J. Loeb Abraham

We consider binary black holes (BBHs) in a hierarchical triple system where a more compact, less-massive binary is emitting detectable gravitational waves (GWs), and the tertiary is a supermassive BH at the center of a nuclear star cluster. As previous works have shown, the orbital motion of the outer binary can generate a detectable relativistic Doppler boost of the GWs emitted by the orbiting inner binary... (read more)

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  • HIGH ENERGY ASTROPHYSICAL PHENOMENA
  • GENERAL RELATIVITY AND QUANTUM COSMOLOGY